L78L Positive voltage regulators Datasheet - production data Description The L78L series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide range of applications including local or on- card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power pass elements to make high-current voltage regulators. The L78L series used as Zener diode/resistor combination replacement, offers e improvement along with lower quiescent Features current and lower noise.  Output current up to 100 mA  Output voltages of 3.3; 5; 6; 8; 9; 10; 12; 15; 18; 24 V thermal overload protection  Short-circuit protection  No external components are required  Available in either ± 4% (A) or ± 8% (C) selection June 2016 DocID2145 Rev 26 1/45 This is information on a product in full production. www.st.com

Contents L78L Contents 1 Diagram ............................................................................................ 3 2 Pin configuration ............................................................................. 4 3 Maximum ratings ............................................................................. 5 4 Electrical characteristics ................................................................ 6 5 Typical performance ..................................................................... 25 6 Typical application ........................................................................ 27 7 Package information ..................................................................... 29 7.1 TO-92 package information ............................................................. 29 7.2 TO-92 packing information .............................................................. 30 7.3 TO-92 Ammopak packing information ............................................. 32 7.4 SO-8 package information .............................................................. 34 7.5 SO-8 packing information ................................................................ 36 7.6 SOT-89 package information .......................................................... 37 7.7 SOT-89 packing information............................................................ 40 8 Ordering information ..................................................................... 41 9 Revision history ............................................................................ 44 2/45 DocID2145 Rev 26

L78L Diagram 1 Diagram Figure 1: Schematic diagram DocID2145 Rev 26 3/45

Pin configuration L78L 2 Pin configuration Figure 2: Pin connection (top view, bottom view for TO-92) Figure 3: Test circuits 4/45 DocID2145 Rev 26

L78L Maximum ratings 3 Maximum ratings Table 1: Absolute maximum ratings Symbol Parameter Value Unit VO = 3.3 to 9 V 30 VI DC Input voltage VO = 12 to 15 V 35 V VO = 18 to 24 V 40 IO Output current 100 mA PD Power dissipation Internally limited (1) mW TSTG Storage temperature range -65 to 150 °C for L78LxxAC / L78LxxC 0 to 125 TOP Operating junction temperature range °C for L78LxxAB -40 to 125 Notes: (1)Our SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external dimensions are the same as for the standard SO-8. Table 2: Thermal data Symbol Parameter SO-8 TO-92 SOT-89 Unit RthJC Thermal resistance junction-case (max) 20 15 °C/W RthJA Thermal resistance junction-ambient (max) 55 (1) 200 55 (1) °C/W Notes: (1)Considering 6 cm² of copper Board heat-sink. DocID2145 Rev 26 5/45

Electrical characteristics L78L 4 Electrical characteristics Refer to the test circuits, T = 0 to 125 °C, V = 8.3 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 3: Electrical characteristics of L78L33C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 3.036 3.3 3.564 V IO = 1 to 40 mA, VI = 5.3 to 20 V 2.97 3.63 VO Output voltage V IO = 1 to 70 mA, VI = 8.3 V 2.97 3.63 VI = 5.4 to 20 V, TJ = 25 °C 150 ∆VO Line regulation mV VI = 6.3 to 20 V, TJ = 25 °C 100 IO = 1 to 100 mA, TJ = 25 °C 60 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 30 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 6.3 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 40 µV VI = 6.3 to 16.3 V, f = 120 Hz SVR Supply voltage rejection 41 49 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 2 V 6/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C, V = 10 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 4: Electrical characteristics of L78L05C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 4.6 5 5.4 V IO = 1 to 40 mA, VI = 7 to 20 V 4.5 5.5 VO Output voltage V IO = 1 to 70 mA, VI = 10 V 4.5 5.5 VI = 8.5 to 20 V, TJ = 25 °C 200 ∆VO Line regulation mV VI = 9 to 20 V, TJ = 25 °C 150 IO = 1 to 100 mA, TJ = 25 °C 60 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 30 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 8 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 40 µV VI = 9 to 20 V, f = 120 Hz SVR Supply voltage rejection 40 49 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 2 V DocID2145 Rev 26 7/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C,V = 14 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 5: Electrical characteristics of L78L08C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 7.36 8 8.64 V IO = 1 to 40 mA, VI = 8.5 to 20 V 7.2 8.8 VO Output voltage V IO = 1 to 70 mA, VI = 12 V 7.2 8.8 VI = 10.5 to 20 V, TJ = 25 °C 200 ∆VO Line regulation mV VI = 11 to 20 V, TJ = 25 °C 150 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 8 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 60 µV VI = 9 to 20 V, f = 120 Hz SVR Supply voltage rejection 36 45 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 8/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C, V = 15 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 6: Electrical characteristics of L78L09C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 8.28 9 9.72 V IO = 1 to 40 mA, VI = 11.5 to 23 V 8.1 9.9 VO Output voltage V IO = 1 to 70 mA, VI = 15 V 8.1 9.9 VI = 11.5 to 23 V, TJ = 25 °C 250 ∆VO Line regulation mV VI = 12 to 23 V, TJ = 25 °C 200 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 12 to 23 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 70 µV VI = 12 to 23 V, f = 120 Hz SVR Supply voltage rejection 36 44 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 9/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C, V = 16 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 7: Electrical characteristics of L78L10C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 9.2 10 10.8 V IO = 1 to 40 mA, VI = 12.5 to 23 V 9 11 VO Output voltage V IO = 1 to 70 mA, VI = 16 V 9 11 VI = 12.5 to 23 V, TJ = 25 °C 230 ∆VO Line regulation mV VI = 13 to 23 V, TJ = 25 °C 170 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 13 to 23 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 60 µV VI = 14 to 23 V, f = 120 Hz SVR Supply voltage rejection 37 45 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 10/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C, V = 19 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 8: Electrical characteristics of L78L12C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 11.1 12 12.9 V IO = 1 to 40 mA, VI = 14.5 to 27 V 10.8 13.2 VO Output voltage V IO = 1 to 70 mA, VI = 19 V 10.8 13.2 VI = 14.5 to 27 V, TJ = 25 °C 250 ∆VO Line regulation mV VI = 16 to 27 V, TJ = 25 °C 200 IO = 1 to 100 mA, TJ = 25 °C 100 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 50 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 16 to 27 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 80 µV VI = 15 to 25 V, f = 120 Hz SVR Supply voltage rejection 36 42 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 11/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C, V = 23 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified Table 9: Electrical characteristics of L78L15C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 13.8 15 16.2 V IO = 1 to 40 mA, VI = 17.5 to 30 V 13.5 16.5 VO Output voltage V IO = 1 to 70 mA, VI = 23 V 13.5 16.5 VI = 17.5 to 30 V, TJ = 25 °C 300 ∆VO Line regulation mV VI = 20 to 30 V, TJ = 25 °C 250 IO = 1 to 100 mA, TJ = 25 °C 150 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 75 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 20 to 30 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 90 µV VI = 18.5 to 28.5 V, f = 120 Hz SVR Supply voltage rejection 33 39 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 12/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C, V = 27 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 10: Electrical characteristics of L78L18C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 16.6 18 19.4 V IO = 1 to 40 mA, VI = 22 to 33 V 16.2 19.8 VO Output voltage V IO = 1 to 70 mA, VI = 27 V 16.2 19.8 VI = 22 to 33 V, TJ = 25 °C 320 ∆VO Line regulation mV VI = 22 to 33 V, TJ = 25 °C 270 IO = 1 to 100 mA, TJ = 25 °C 170 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 85 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 23 to 33 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 120 µV VI = 23 to 33 V, f = 120 Hz SVR Supply voltage rejection 32 38 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 13/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C, V = 33 V, I = 40 mA, C = 0.33 µF, C = 0.1 µF J I O I O unless otherwise specified. Table 11: Electrical characteristics of L78L24C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 22.1 24 25.9 V IO = 1 to 40 mA, VI = 27 to 38 V 21.6 26.4 VO Output voltage V IO = 1 to 70 mA, VI = 33 V 21.6 26.4 VI = 27 to 38 V, TJ = 25 °C 350 ∆VO Line regulation mV VI = 28 to 38 V, TJ = 25 °C 300 IO = 1 to 100 mA, TJ = 25 °C 200 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 100 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.2 ∆Id Quiescent current change mA VI = 28 to 38 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 200 µV VI = 29 to 35 V, f = 120 Hz SVR Supply voltage rejection 30 37 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 14/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB),V = 8.3 V, J J I I = 40mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 12: Electrical characteristics of L78L33AB and L78L33AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 3.168 3.3 3.432 V IO = 1 to 40 mA, VI = 5.3 to 20 V 3.135 3.465 VO Output voltage V IO = 1 to 70 mA, VI = 8.3 V 3.135 3.465 VI = 5.4 to 20 V, TJ = 25 °C 150 ∆VO Line regulation mV VI = 6.3 to 20 V, TJ = 25 °C 100 IO = 1 to 100 mA, TJ = 25 °C 60 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 30 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 6.3 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 40 µV VI = 6.3 to 16.3 V, f = 120 Hz SVR Supply voltage rejection 41 49 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 2 V DocID2145 Rev 26 15/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V = 10 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 13: Electrical characteristics of L78L05AB and L78L05AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 4.8 5 5.2 V IO = 1 to 40 mA, VI = 7 to 20 V 4.75 5.25 VO Output voltage V IO = 1 to 70 mA, VI = 10 V 4.75 5.25 VI = 7.3 to 20 V, TJ = 25 °C 150 ∆VO Line regulation mV VI = 8 to 20 V, TJ = 25 °C 100 IO = 1 to 100 mA, TJ = 25 °C 60 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 30 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 8 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 40 µV VI = 8 to 18 V, f = 120 Hz SVR Supply voltage rejection 41 49 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 2 V 16/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V = 12 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 14: Electrical characteristics of L78L06AB and L78L06AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 5.76 6 6.24 V IO = 1 to 40 mA, VI = 8.5 to 20 V 5.7 6.3 VO Output voltage V IO = 1 to 70 mA, VI = 12 V 5.7 6.3 VI = 8.5 to 20 V, TJ = 25 °C 150 ∆VO Line regulation mV VI = 9 to 20 V, TJ = 25 °C 100 IO = 1 to 100 mA, TJ = 25 °C 60 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 30 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 9 to 20 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 50 µV VI = 9 to 20 V, f = 120 Hz SVR Supply voltage rejection 39 46 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 17/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V = 14 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 15: Electrical characteristics of L78L08AB and L78L08AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 7.68 8 8.32 V IO = 1 to 40 mA, VI = 10.5 to 23 V 7.6 8.4 VO Output voltage V IO = 1 to 70 mA, VI = 14 V 7.6 8.4 VI = 10.5 to 23 V, TJ = 25 °C 175 ∆VO Line regulation mV VI = 11 to 23 V, TJ = 25 °C 125 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 11 to 23 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 60 µV VI = 12 to 23 V, f = 120 Hz SVR Supply voltage rejection 37 45 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 18/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V =15 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 16: Electrical characteristics of L78L09AB and L78L09AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 8.64 9 9.36 V IO = 1 to 40 mA, VI = 11.5 to 23 V 8.55 9.45 VO Output voltage V IO = 1 to 70 mA, VI = 15 V 8.55 9.45 VI = 11.5 to 23 V, TJ = 25 °C 225 ∆VO Line regulation mV VI = 12 to 23 V, TJ = 25 °C 150 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 12 to 23 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 70 µV VI = 12 to 23 V, f = 120 Hz SVR Supply voltage rejection 37 44 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 19/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V= 16 V, J J I I = 40mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 17: Electrical characteristics of L78L10AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 9.6 10 10.4 V IO = 1 to 40 mA, VI = 12.5 to 23 V 9.5 10.5 VO Output voltage V IO = 1 to 70 mA, VI = 16 V 9.5 10.5 VI = 12.5 to 23 V, TJ = 25 °C 230 ∆VO Line regulation mV VI = 13 to 23 V, TJ = 25 °C 170 IO = 1 to 100 mA, TJ = 25 °C 80 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 40 TJ = 25 °C 6 mA Id Quiescent current TJ = 125 °C 5.5 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 13 to 23 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 60 µV VI = 14 to 23 V, f = 120 Hz SVR Supply voltage rejection 37 45 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 20/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB), V =19 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 18: Electrical characteristics of L78L12AB and L78L12AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 11.5 12 12.5 V IO = 1 to 40 mA, VI = 14.5 to 27 V 11.4 12.6 VO Output voltage V IO = 1 to 70 mA, VI = 19 V 11.4 12.6 VI = 14.5 to 27 V, TJ = 25 °C 250 ∆VO Line regulation mV VI = 16 to 27 V, TJ = 25 °C 200 IO = 1 to 100 mA, TJ = 25 °C 100 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 50 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 16 to 27 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 80 µV VI = 15 to 25 V, f = 120 Hz SVR Supply voltage rejection 37 42 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 21/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB),V = 23 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 19: Electrical characteristics of L78L15AB and L78L15AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 14.4 15 15.6 V IO = 1 to 40 mA, VI = 17.5 to 30 V 14.25 15.75 VO Output voltage V IO = 1 to 70 mA, VI = 23 V 14.25 15.75 VI = 17.5 to 30 V, TJ = 25 °C 300 ∆VO Line regulation mV VI = 20 to 30 V, TJ = 25 °C 250 IO = 1 to 100 mA, TJ = 25 °C 150 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 75 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 20 to 30 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 90 µV VI = 18.5 to 28.5 V, f = 120 Hz SVR Supply voltage rejection 34 39 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 22/45 DocID2145 Rev 26

L78L Electrical characteristics Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB),V = 27 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 20: Electrical characteristics of L78L18AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 17.3 18 18.7 V IO = 1 to 40 mA, VI = 22 to 33 V 17.1 18.9 VO Output voltage V IO = 1 to 70 mA, VI = 27 V 17.1 18.9 VI = 22 to 33 V, TJ = 25 °C 320 ∆VO Line regulation mV VI = 22 to 33 V, TJ = 25 °C 270 IO = 1 to 100 mA, TJ = 25 °C 170 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 85 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 23 to 33 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 120 µV VI = 23 to 33 V, f = 120 Hz SVR Supply voltage rejection 33 38 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V DocID2145 Rev 26 23/45

Electrical characteristics L78L Refer to the test circuits, T = 0 to 125 °C (AC) T = -40 to 125 °C (AB),V = 33 V, J J I I = 40 mA, C = 0.33 μF, C = 0.1 μF unless otherwise specified. O I O Table 21: Electrical characteristics of L78L24AB and L78L24AC Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 23 24 25 V IO = 1 to 40 mA, VI = 27 to 38 V 22.8 25.2 VO Output voltage V IO = 1 to 70 mA, VI = 33 V 22.8 25.2 VI = 27 to 38 V, TJ = 25 °C 350 ∆VO Line regulation mV VI = 28 to 38 V, TJ = 25 °C 300 IO = 1 to 100 mA, TJ = 25 °C 200 ∆VO Load regulation mV IO = 1 to 40 mA, TJ = 25 °C 100 TJ = 25 °C 6.5 mA Id Quiescent current TJ = 125 °C 6 mA IO = 1 to 40 mA 0.1 ∆Id Quiescent current change mA VI = 28 to 38 V 1.5 eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 200 µV5y VI = 29 to 33 V, f = 120 Hz SVR Supply voltage rejection 31 37 dB IO = 40 mA, TJ = 25 °C Vd Dropout voltage 1.7 V 24/45 DocID2145 Rev 26

L78L Typical performance 5 Typical performance Figure 4: L78L05/12 output voltage vs. ambient Figure 5: L78L05/12/24 load characteristics temperature Figure 7: L78L05/12 quiescent current vs. output Figure 6: L78L05/12/24 thermal shutdown current DocID2145 Rev 26 25/45

Typical performance L78L Figure 8: L78L05 quiescent current vs. input voltage Figure 9: L78L05/12/24 output characteristics Figure 10: L78L05/12/24 ripple rejection Figure 11: L78L05 dropout characteristics Figure 12: L78L short-circuit output current 26/45 DocID2145 Rev 26

L78L Typical application 6 Typical application Figure 13: High output current short-circuit protected Figure 14: Outuput boost circuit Figure 15: Current regulator DocID2145 Rev 26 27/45

Typical application L78L Figure 16: Adjustable output regulator 28/45 DocID2145 Rev 26

L78L Package information 7 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 7.1 TO-92 package information Figure 17: TO-92 package outline Table 22: TO-92 mechanical data mm Dim. Min. Typ. Max. A 4.32 4.95 b 0.36 0.51 D 4.45 4.95 E 3.30 3.94 e 2.41 2.67 e1 1.14 1.40 L 12.70 15.49 R 2.16 2.41 S1 0.92 1.52 W 0.41 0.56 V 5° DocID2145 Rev 26 29/45

Package information L78L 7.2 TO-92 packing information Figure 18: TO-92 tape and reel outline 30/45 DocID2145 Rev 26

L78L Package information Table 23: TO-92 tape and reel mechanical data mm Dim. Min. Typ. Max. A1 4.80 T 3.80 T1 1.60 T2 2.30 d 0.45 0.47 0.48 P0 12.50 12.70 12.90 P2 5.65 6.35 7.05 F1, F2 2.40 2.50 2.94 F3 4.98 5.08 5.48 delta H -2.00 2.00 W 17.50 18.00 19.00 W0 5.5 6.00 6.5 W1 8.50 9.00 9.25 W2 0.50 H 18.50 21 H3 0.5 1 2 H0 15.50 16.00 18.8 H1 25.0 27.0 D0 3.80 4.00 4.20 t 0.90 L 11.00 I1 3.00 delta P -1.00 1.00 Ø1 352 355 358 Ø2 28 30 32 u 44 47 50 DocID2145 Rev 26 31/45

Package information L78L 7.3 TO-92 Ammopak packing information Figure 19: TO-92 Ammopak tape and reel outline 32/45 DocID2145 Rev 26

L78L Package information Table 24: TO-92 Ammopak tape and reel mechanical data mm Dim. Min. Typ. Max. A1 4.80 T 3.80 T1 1.60 T2 2.30 d 0.45 0.47 0.48 P0 12.50 12.70 12.90 P2 5.65 6.35 7.05 F1, F2 2.40 2.50 2.94 F3 4.98 5.08 5.48 delta H -2.00 2.00 W 17.50 18.00 19.00 W0 5.5 6.00 6.5 W1 8.50 9.00 9.25 W2 0.50 H 18.50 21 H3 0.5 1 2 H0 15.50 16.00 18.8 H1 25.0 27.0 D0 3.80 4.00 4.20 t 0.90 L 11.00 I1 3.00 delta P -1.00 1.00 DocID2145 Rev 26 33/45

Package information L78L 7.4 SO-8 package information Figure 20: SO-8 package outline 34/45 DocID2145 Rev 26

L78L Package information Table 25: SO-8 mechanical data mm Dim. Min. Typ. Max. A 1.75 A1 0.10 0.25 A2 1.25 b 0.31 0.51 b1 0.28 0.48 c 0.10 0.25 c1 0.10 0.23 D 4.80 4.90 5.00 E 5.80 6.00 6.20 E1 3.80 3.90 4.00 e 1.27 h 0.25 0.50 L 0.40 1.27 L1 1.04 L2 0.25 k 0° 8° ccc 0.10 Figure 21: SO-8 recommended footprint (dimensions are in mm) DocID2145 Rev 26 35/45

Package information L78L 7.5 SO-8 packing information Figure 22: SO-8 tape and reel dimensions Table 26: SO-8 tape and reel mechanical data mm Dim. Min. Typ. Max. A 330 C 12.8 13.2 D 20.2 N 60 T 22.4 Ao 8.1 8.5 Bo 5.5 5.9 Ko 2.1 2.3 Po 3.9 4.1 P 7.9 8.1 36/45 DocID2145 Rev 26

L78L Package information 7.6 SOT-89 package information Figure 23: SOT-89 package outline DocID2145 Rev 26 37/45

Package information L78L Table 27: SOT-89 mechanical data mm Dim. Min. Typ. Max. A 1.40 1.60 B 0.44 0.56 B1 0.36 0.48 C 0.35 0.44 C1 0.35 0.44 D 4.40 4.60 D1 1.62 1.83 D3 0.90 E 2.29 2.60 e 1.42 1.57 e1 2.92 3.07 H 3.94 4.25 H1 2.70 3.10 K 1° 8° L 0.89 120 R 0.25 β 90° 38/45 DocID2145 Rev 26

L78L Package information Figure 24: SOT-89 recommended footprint DocID2145 Rev 26 39/45

Package information L78L 7.7 SOT-89 packing information Figure 25: SOT-89 carrier tape outline Table 28: SOT-89 carrier tape mechanical data mm Dim. Value Tolerance Ao 4.91 ± 0.10 Bo 4.52 ± 0.10 Ko 1.90 ± 0.10 F 5.50 ± 0.10 E 1.75 ± 0.10 W 12 ± 0.30 P2 2 ± 0.10 Po 4 ± 0.10 P1 8 ± 0.10 T 0.30 ± 0.10 D Ø 1.55 ± 0.05 D1 Ø 1.60 ± 0.10 40/45 DocID2145 Rev 26

L78L Ordering information 8 Ordering information Table 29: Order codes Part numbers Output voltages TO-92 TO-92 SO-8 TO-92 (Bag) (1) SOT-89 (ammopack) (tape and reel) (V) L78L33ABD-TR L78L33ABZ-AP L78L33ABUTR 3.3 L78L33ACD13TR L78L33ACZ L78L33ACZ-AP L78L33ACZTR L78L33ACUTR 3.3 L78L33CD-TR 3.3 L78L05ABD13TR L78L05ABZ L78L05ABZ-AP L78L05ABZ-TR L78L05ABUTR 5 L78L05ACD13TR L78L05ACZ L78L05ACZ-AP L78L05ACZTR L78L05ACUTR 5 L78L05CD13TR L78L05CZ 5 L78L06ABZ L78L06ABUTR 6 L78L06ACD13TR L78L06ACUTR 6 L78L08ABD13TR L78L08ABZ-AP L78L08ABZTR L78L08ABUTR 8 L78L08ACD13TR L78L08ACZ L78L08ACZ-AP L78L08ACZTR L78L08ACUTR 8 L78L08CD13TR 8 L78L09ABD13TR L78L09ABZ L78L09ABUTR 9 L78L09ACD13TR L78L09ACZ-AP L78L09ACZ-TR L78L09ACUTR 9 L78L09CD13TR 9 L78L10ACUTR 10 L78L12ABD-TR L78L12ABZ L78L12ABZ-AP L78L12ABUTR 12 L78L12ACD13TR L78L12ACZ L78L12ACZ-AP L78L12ACZ-TR L78L12ACUTR 12 L78L12CD13TR 12 L78L15ABZ-AP L78L15ABUTR 15 L78L15ACD13TR L78L15ACZ L78L15ACUTR 15 L78L15CD-TR 15 L78L18ACUTR 18 L78L18CD13TR 18 L78L24ABZ-TR 24 L78L24ACZ-AP L78L24ACUTR 24 L78L24CD-TR 24 Notes: (1)Available in Ammopak with the suffix "-AP" or in tape and reel with the suffix "TR". Please note that in these cases pins are shaped according to tape and reel specifications. DocID2145 Rev 26 41/45

Ordering information L78L Table 30: Marking information Part numbers Marking Packages Output voltages L78L05ABD13TR 78L05B SO-8 5 V L78L05ABUTR 8C SOT-89 5 V L78L05ABZ L78L05A TO-92 5 V L78L05ABZ-AP L78L05A TO-92 5 V L78L05ABZ-TR L78L05A TO-92 5 V L78L05ACD13TR 78L05A SO-8 5 V L78L05ACUTR 8C SOT-89 5 V L78L05ACZ L78L05A TO-92 5 V L78L05ACZ-AP L78L05A TO-92 5 V L78L05ACZTR L78L05A TO-92 5 V L78L05CD13TR 78L05 SO-8 5 V L78L05CZ L78L05A TO-92 5 V L78L06ABUTR 8E SOT-89 6 V L78L06ABZ L78L06A TO-92 6 V L78L06ACD13TR L78L06A SO-8 6 V L78L06ACUTR 8E SOT-89 6 V L78L08ABD13TR 78L08B SO-8 8 V L78L08ABUTR 8G SOT-89 8 V L78L08ABZ-AP L78L08A TO-92 8 V L78L08ABZTR L78L08A TO-92 8 V L78L08ACD13TR 78L08A SO-8 8 V L78L08ACUTR 8G SOT-89 8 V L78L08ACZ L78L08A TO-92 8 V L78L08ACZ-AP L78L08A TO-92 8 V L78L08ACZTR L78L08A TO-92 8 V L78L08CD13TR 78L08 SO-8 8 V L78L09ABD13TR 78L09B SO-8 8 V L78L09ABZ L78L09A TO-92 9 V L78L09ABUTR 8H SOT-89 9 V L78L09ACD13TR 78L09A SO8 9 V L78L09ACUTR 8H SOT-89 9 V L78L09ACZ-AP L78L09A TO-92 9 V L78L09ACZ-TR L78L09A TO-92 9 V L78L09CD13TR L78L09A SO-8 9 V L78L10ACUTR 8I SOT-89 10 V L78L12ABD-TR 78L12B SO-8 12 V L78L12ABUTR 8K SOT-89 12 V L78L12ABZ L78L12A TO-92 12 V L78L12ABZ-AP L78L12A TO 92 12 V 42/45 DocID2145 Rev 26

L78L Ordering information Part numbers Marking Packages Output voltages L78L12ACD13TR 78L12A SO-8 12 V L78L12ACUTR 8K SOT-89 12 V L78L12ACZ L78L12A TO-92 12 V L78L12ACZ-AP L78L12A TO-92 12 V L78L12ACZ-TR L78L12A TO-92 12 V L78L12CD13TR 78L12 SO-8 12 V L78L15ABUTR 8L SOT-89 15 V L78L15ABZ-AP L78L15A TO-92 15 V L78L15ACD13TR 78L15A SO-8 15 V L78L15ACUTR 8L SOT-89 15 V L78L15ACZ L78L15A TO-92 15 V L78L15CD-TR 78L15 SO-8 15 V L78L18ACUTR 8B SOT-89 18 V L78L18CD13TR L78L18 SO-8 18 V L78L24ABZ-TR L78L24A TO-92 24 V L78L24ACUTR 8P SOT-89 24 V L78L24ACZ-AP L78L24A TO-92 24 V L78L24CD-TR 78L24 SO-8 24 V L78L33ABD-TR 78L33B SO-8 3.3 V L78L33ABUTR 8A SOT-89 3.3 V L78L33ABZ-AP L78L33A TO-92 3.3 V L78L33ACD13TR 78L33A SO-8 3.3 V L78L33ACUTR 8A SOT-89 3.3 V L78L33ACZ L78L33A TO-92 3.3 V L78L33ACZ-AP L78L33A TO-92 3.3 V L78L33ACZTR L78L33A TO-92 3.3 V DocID2145 Rev 26 43/45

Revision history L78L 9 Revision history Table 31: Document revision history Date Revision Changes 14-Mar-2005 9 Add tape and reel for TO-92. 15-Mar-2005 10 Add note on Table 3. 23-Dec-2005 11 Mistake on ordering Table in header. 12-Sep-2006 12 Order codes updated. 07-Jun-2007 13 Order codes updated. 18-Sep-2007 14 Added Table 1 in cover page. 15-Jul-2008 15 Modified: Table 1 and Table 28: Order codes. 18-Aug-2008 16 Modified Figure 12 on page 26. 03-Apr-2009 17 Added: RthJA value for SOT-89 Table 2 on page 5. 08-Feb-2011 18 Added note Table 26 on page 39 21-Feb-2012 19 Modified: SOT-89 Figure 2 on page 4. Updated TOP value for L78L00AC in Table 1 on page 5. 14-Aug-2012 20 Minor text changes. 07-Sep-2012 21 Added: Table 29: Marking information. Part numbers L78LxxAB, L78LxxAC, L78LxxC changed to L78L. Removed Table1: Device summary. Updated features and description in cover page, Table 28: Order 14-Apr-2014 22 codes, Table 29: Marking information and Section 7: Package information. Added Section: Packing mechanical data. Minor text changes. Updated Table 28: Order codes and Table 29: Marking information. 06-Oct-2014 23 Minor text changes. Updated Table 29: Marking information. 10-Feb-2015 24 Minor text changes. Updated Table 29: Marking information and Section 7.7: SOT-89 10-Feb-2016 25 packing information. Minor text changes. Changed test condition values for the parameter "Line regulation" and the typical value for the parameter "Dropout voltage" in : Table 3: "Electrical characteristics of L78L33C", Table 4: "Electrical 21-Jun-2016 26 characteristics of L78L05C", Table 12: "Electrical characteristics of L78L33AB and L78L33AC" and Table 13: "Electrical characteristics of L78L05AB and L78L05AC". Minor text changes. 44/45 DocID2145 Rev 26

L78L IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2016 STMicroelectronics – All rights reserved DocID2145 Rev 26 45/45