TLVH431 Adjustable shunt voltage reference Datasheet - production data  Battery chargers  Switch mode power supplies  Battery operated equipment  Data acquisition systems  Energy management SOT23-3L SOT23-5L Description SOT323-6L The TLVH431 is a low power adjustable shunt voltage reference, with guaranteed temperature stability over the entire operating temperature Features range.  Adjustable output voltage: 1.24 V to 18 V The output voltage may be set to any value between 1.24 V and 18 V by means of an external  Low operating current: 100 µA at 25 °C resistor divider.  0.25%, 0.5%, 1% and 1.5% voltage precision The TLVH431 operates with a wide current range  Sink current capability up to 60 mA from 100 µA to 60 mA with a typical dynamic  -40 to +125 °C temperature range impedance of 0.22 .  100 ppm/°C maximum temperature coefficient Available in SOT23-3L, SOT23-5L and SOT323-  Available in SOT23-3L, SOT23-5L and 6L surface mounted packages, it can be designed SOT323-6L packages in applications where space saving is a critical issue. Applications The low operating current is a key advantage for power restricted designs.  Computers Table 1. Device summary Part number Precision Package Temperature range TLVH431AIL3T 0.5% TLVH431BIL3T 0.25% SOT23-3L TLVH431MIL3T 1% TLVH431LIL3T 1.5% TLVH431AIL5T 0.5% -40 to +125°C TLVH431BIL5T 0.25% SOT23-5L TLVH431LIL5T 1.5% TLVH431AICT 0.5% TLVH431BICT 0.25% SOT323-6L TLVH431LICT 1.5% December 2017 DocID023303 Rev 6 1/15 This is information on a product in full production. www.st.com

Contents TLVH431 Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.1 SOT23-3L package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.2 SOT23-5L package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.3 SOT323-6L package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 DocID023303 Rev 6

TLVH431 Pin configuration 1 Pin configuration Figure 1. Pin configuration (top view) AM12710v1 AM12711v1 AM12712v1 SOT23-3L SOT23-5L SOT323-6L DocID023303 Rev 6 3/15 15

Maximum ratings TLVH431 2 Maximum ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit V Cathode to anode voltage 22 V KA I Continuous cathode current range - 100 to +100 mA K I Reference input current range - 0.05 to +3 mA REF T Storage temperature - 65 to +150 °C STG Human body model (HBM) 2 kV ESD Machine model (MM) 200 V Charged device model 1500 V Lead temperature (soldering) 10 T 260 °C LEAD sec T Max. junction temperature +150 °C J Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Table 3. Thermal data Symbol Parameter SOT323-6L SOT23-3L SOT23-5L Unit R Thermal resistance junction-ambient 221 248 157 °C/W thJA R Thermal resistance junction-case 110 136 67 °C/W thJC Table 4. Operating conditions Symbol Parameter Value Unit V Cathode to anode voltage V to 18 V KA ref I Minimum operating current 100 µA kmin I Maximum operating current 60 mA kmax T Operating free air temperature range -40 to +125 °C oper 4/15 DocID023303 Rev 6

TLVH431 Electrical characteristics 3 Electrical characteristics Ik = 10 mA, Tamb = 25 °C (unless otherwise specified). Table 5. Electrical characteristics for TLVH431 Symbol Parameter Test conditions Min. Typ. Max. Unit V = V KA ref TLVH431A 0.5% 1.234 1.246 V ref Reference voltage TLVH431B 0.25% 1.237 1.24 1.243 V TLVH431M 1% 1.227 1.253 TLVH431L 1.5% 1.222 1.258 - 40 °C < Tamb < +125 °C Reference voltage TLVH431A 0.5% -26.7 +26.7 V variation over TLVH431B 0.25% -23.5 +23.5 mV ref temperature range (1) TLVH431M 1% -32.8 +32.8 TLVH431L 1.5% -39 +39 Average temperature VKA/T coefficient VKA = Vref, - 40 °C < Tamb < +125 °C ±30 ±100 ppm/°C Minimum cathode VKA = Vref 60 100 I µA kmin current for regulation V = V 160 200 KA KAmax Minimum cathode VKA = Vref, - 40 °C < Tamb < +125 °C 70 100 I current variation over µA kmin temperature range VKA = VKAmax, - 40 °C < Tamb < +125°C 100 200 Iref Reference input current R1 = 10 kR2 =  1.5 2.5 µA Reference current I variation over R1 = 10 kR2 =  2.5 3.5 µA ref temperature range - 40 °C < Tamb < + 125 °C Ratio of change in VKA = 18 V to Vref -2 ----V---r--e---f reference input voltage mV/V Vka to change in cathode to VKA = 18 V to Vref, - 40 °C < Tamb < +125 °C -2.5 anode voltage I Off-state cathode current V = V V = GND 10 80 nA off KA KAmax, ref I Off-state cathode current VKA = VKAmax,Vref = GND 1000 2000 nA off over temperature range - 40 °C < Tamb < +125 °C RKA Static impedance VKA = Vref, IK = 100µA to 60 mA 0.14 0.62 W ZKA Dynamic impedance (2) VKA = Vref, IK = 10 mA to 60 mA, f 1 kHz 0.22 0.85 W en Wide band noise IK = 10 mA; 10 Hz < f < 100 kHz 30 mVRMS TON Turn-on setting time VKA = Vref, IK = 10 mA 40 70 µsec 1. The tolerance values, across the temperature range, are calculated as: ±Vk25°C x {tolerance25°C+[(ppmmax /°C) x (T)]}. Example: TLVH431A V °C x 165 °C) = ±1.24 x (0.5%+1.65%)= ±1.24 x 2.15% = ± 26.7 mV. k = ±1.24 x (0.5% + 100 ppm/ 2. The dynamic impedance is defined as ZKAVKA/Ik. Note: Limits are 100% production tested at 25 °C. Limits over the temperature range are guaranteed through correlation and by design. DocID023303 Rev 6 5/15 15

Typical performance characteristics TLVH431 4 Typical performance characteristics The following plots are referred to the typical application circuit and, unless otherwise noted, at T = 25 °C. A Figure 2. Test circuit for V = V Figure 3. Test circuit for V > V KA ref KA ref AM11713v1 AM11714v1 Figure 4. Reference voltage vs. temperature Figure 5. Minimum cathode current for regulation vs. temperature 1260 AM11715v1 100 AM11716v1 VKA= Vref, IK = 10 mA VKA= Vref 1255 90 V[mV] ref 111222445050 cathode current [µA] 678000 1235 m mu 1230 Min 50 1225 40 1220 -40 -25 0 25 70 105 125 30 Temperature °C -40 -25 0 25 70 105 125 Temperature °C Figure 6. Off-state cathode current vs. Figure 7. Reference input current vs. temperature temperature 200 AM11717v1 2 AM11718v1 VKA= 18 V, Vref= GND IK = 10 mA, R1 = 10 kΩ, R2 = ∞ 180 1.8 A] 160 1.6 Off-state cathode current [n111024468000000 Reference input current [µA] 00011.....468241 20 0.2 0 0 -40 -25 0 25 70 105 125 -40 -25 0 25 70 105 125 Temperature °C Temperature °C 6/15 DocID023303 Rev 6

TLVH431 Typical performance characteristics Figure 8. Cathode current vs. cathode voltage Figure 9. V V ref vs. KA 0 AM11720v1 1.E+05 AM11719v1 ΔVREFvs.ΔVKA,IK=10 mA -2 VKA= Vref -4 1.E+04 A] Cathode current IK [µ 1.E+03 ΔV[mV]ref -1--860 1.E+02 -12 -14 1.E+010.7 0.8 0.9 1 1.1 1.2 1.3 1.4 -16 0 5 10 15 20 25 Reference voltage [mV] CathodeVoltageV [V] KA Figure 10. Wideband noise Figure 11. Gain and phase vs. frequency 50 AM11722v1200 455000 IK=10mA, NoCOUT AM11721v1 40 IKG=a1in0mA,VKA=Vref, NoCOUT 116800 140 400 30 120 Hz)] 350 Phase 100 Noise[nV/sqr( 122350500000 Gain(dB) 1200 24680000 °Phase() 0 0 100 -20 50 -10 -40 0 -60 0.1 1 10 100 1000 10000 -20 -80 Frequency(kHz) 0.1 1 10 100 1000 Frequency (kHz) Figure 12. Turn-on (no C ) Figure 13. Turn-on (C = 10 nF) LOAD LOAD V from 0 to 4 V, I = 1 mA, no C V from 0 to 4 V, I = 1 mA, C = 10 nF IN K LOAD IN K LOAD DocID023303 Rev 6 7/15 15

Package information TLVH431 5 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. 5.1 SOT23-3L package information Figure 14. SOT23-3L package outline 7110469_B 8/15 DocID023303 Rev 6

TLVH431 Package information Table 6. SOT23-3L mechanical data mm Dim. Min. Typ. Max. A 0.89 1.12 A1 0.01 0.10 A2 0.88 0.95 1.02 b 0.30 0.50 c 0.08 0.20 D 2.80 2.90 3.04 E 2.10 2.64 E1 1.20 1.30 1.40 e 0.95 e1 1.90 L 0.40 0.50 0.60 L1 0.54 k 0° 8° DocID023303 Rev 6 9/15 15

Package information TLVH431 5.2 SOT23-5L package information Figure 15. SOT23-5L package outline 7049676_I 10/15 DocID023303 Rev 6

TLVH431 Package information Table 7. SOT23-5L mechanical data mm Dim. Min. Typ. Max. A 0.90 1.20 1.45 A1 0.15 A2 0.90 1.05 1.30 b 0.35 0.40 0.50 c 0.09 0.15 0.20 D 2.80 2.90 3.00 e 0.95 E 1.50 1.60 1.75 H 2.60 2.80 3.00 L 0.10 0.35 0.60 θ 0° 10° Figure 16. SOT23-5L recommended footprint (dimensions are in mm) 7049676_I DocID023303 Rev 6 11/15 15

Package information TLVH431 5.3 SOT323-6L package information Figure 17. SOT323-6L package outline 7095021_F 12/15 DocID023303 Rev 6

TLVH431 Package information Table 8. SOT323-6L mechanical data mm Dim. Min. Typ. Max. A 0.80 1.10 A1 0 0.10 A2 0.80 1.00 b 0.15 0.30 c 0.10 0.18 D 1.80 2.20 E 1.15 1.35 e 0.65 HE 1.80 2.40 L 0.10 0.40 Q1 0.10 0.40 Figure 18. SOT323-6L recommended footprint (dimensions are in mm) 7095021_F DocID023303 Rev 6 13/15 15

Revision History TLVH431 6 Revision History Table 9. Document revision history Date Revision Changes 13-Jun-2012 1 Initial release. Updated the Features in cover page, Table1: Device summary 23-Jan-2014 2 and Table5: Electrical characteristics for TLVH431. Minor text changes. Updated the min. value of Vref in Table5: Electrical 28-Jan-2014 3 characteristics for TLVH431. Updated Table7: SOT23-5L mechanical data. 24-Mar-2015 4 Minor text changes. Updated features in cover page, Table 1: Device summary and 23-Nov-2015 5 Table 5: Electrical characteristics for TLVH431. Minor text changes. 05-Dec-2017 6 Updated title on the cover page. 14/15 DocID023303 Rev 6

TLVH431 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. © 2017 STMicroelectronics – All rights reserved DocID023303 Rev 6 15/15 15