MAQ5282 120V , 50mA, Ultra-Low I , High-PSRR IN Q Linear Regulator Automotive General Description Features The MAQ5282 high-performance linear regulator offers a • AEC-Q100 qualified very-wide input operating voltage range, up to 120V DC, • Wide input voltage range: 6V to 120V DC and supplies an output current of up to 50mA. • Ultra-low quiescent current: 6µA (typ) Ideal for high input voltage applications such as • 50mA guaranteed output current automotive, industrial and telecom, the MAQ5282 offers • Adjustable output from 1.27V to 5.5V ±3% initial accuracy, extremely high-power supply • Withstands up to +120V DC at the input rejection ratio (80dB at 10kHz) and ultra-low quiescent current of 6µA. The MAQ5282 is optimized for high-voltage • Stable with ceramic capacitors line transients, making it ideal for harsh environment • Ultra-high PSRR (80dB at 10kHz) applications. • Ultra-high line transient rejection (load dump) The MAQ5282 is offered in both fixed output voltage • High output accuracy: (3.3V/5.0V) and adjustable output voltage (1.27V to 5.5V) – ±3% initial accuracy options. • Thermal-shutdown and current-limit protection The MAQ5282 operates over a −40°C to +125°C • Thermally-efficient, 8-pin ePad MSOP package temperature range and is available in lead-free, RoHS- compliant, 8-pin ePad MSOP package. This part is also AEC-Q100 qualified for automotive applications. Applications Data sheet and support documentation are found on the Micrel website: www.micrel.com. • Automotive • Remote keyless entry power supply • Telecom applications ___________________________________________________________________________________________________________ Typical Applications Quiescent Supply Current vs. Input Voltage 12 µA)10 T ( N RE 8 R U C T 6 N E C ES 4 QUI VOUT = 5V 2 IOUT = 0 0 0 20 40 60 80 100 120 INPUT VOLTAGE (V) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com October 2, 2014 Revision 2.0

Micrel, Inc. MAQ5282 Ordering Information Part Number Output Voltage Top Mark Temperature Range Package Lead Finish MAQ5282YMME Adjustable A8Q2 –40°C to +125°C 8-Pin ePad MSOP Pb-Free MAQ5282-3.3YMME 3.3V 8Q2S –40°C to +125°C 8-Pin ePad MSOP Pb-Free MAQ5282-5.0YMME 5.0V 58Q2 –40°C to +125°C 8-Pin ePad MSOP Pb-Free Pin Configuration 8-Pin ePad MSOP 8-Pin ePad MSOP MAQ5282-x.xYMME MAQ5282YMME (TOP VIEW) (TOP VIEW) Pin Description Pin Name Function MAQ5282YMME MAQ5282-x.xYMME 1 1 VIN Supply Voltage Input. Connect 1µF capacitor from VIN to GND. 2, 3, 7 2, 3, 7 NC Not internally connected. Connect NC to GND or leave unconnected. Bypass Capacitor Connection. Connect 0.1µF capacitor from CPSRR to 4 4 CPSRR GND. 5 5 GND Ground. 6 − FB Feedback Connection. For external resistor divider to set VOUT. − 6 SNS Sense input. Connect SNS to VOUT. 8 8 VOUT Regulator Output. Connect 10µF capacitor from VOUT to GND. EP EP ePad Exposed Pad (ePad) for Thermal Relief. Connect EP to GND. October 2, 2014 2 Revision 2.0

Micrel, Inc. MAQ5282 (1) (2) Absolute Maximum Ratings Operating Ratings V to GND ................................................... –0.3V to +125V V ................................................................. +6V to +120V IN IN V to GND .................................................. –0.3 to +14V V Adjust Range ..................................... +1.27V to +5.5V CPSRR OUT V , V , V to GND ................................... –0.3V to +6V Junction Temperature ......................... –40°C ≤ T ≤ +125°C FB SNS OUT J Power Dissipation (P ) ........................... Internally Limited(3) Junction Thermal Resistance (θ ) D JA Lead Temperature (soldering, 10s) .......................... +260°C 8-pin ePad MSOP .............................................. 64°C/W Junction Temperature ......................... –40°C ≤ T ≤ +125°C J Storage Temperature ......................... –65°C ≤ T ≤ +150°C A ESD Ratings(4) HBM ......................................................................... 2kV MM ......................................................................... 200V (5) Electrical Characteristics VIN = 12V, CIN = 1.0µF, CPSRR = 0.1µF, COUT = 10µF, IOUT = 100µA, TA = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted. Parameter Condition Min. Typ. Max. Units Power Supply Input Input Voltage Range(6) 6 120 V Quiescent Supply Current(7) IOUT = 0 6 11 µA Output Voltage Adjustable 1.27 5.5 3.2 3.3 3.4 Fixed 3.3V Output Voltage 3.13 3.3 3.47 V 4.85 5.0 5.15 Fixed 5.0V 4.75 5.0 5.25 -3 +3 % Output Voltage Accuracy Variation from nominal V OUT -5 +5 % Load Regulation IOUT = 100µA to 50mA -1.0 0.5 +1.0 % Line Regulation(8) VIN = 10V to 120V -0.5 0.04 +0.5 %/V Feedback Input (Adjustable) 1.232 1.270 1.308 FB Voltage V 1.206 1.270 1.333 FB Current V = 1.27V 3.2 nA FB Current Limit Current Limit VOUT = 0V 60 125 260 mA Ripple Rejection Power Supply Rejection Ratio f = 20kHz to 1MHz 80 dB Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. The maximum allowable power dissipation at any T (ambient temperature) is P = (T – T ) / θ . Exceeding the maximum allowable power A D(max) J(max) A JA dissipation results in excessive die temperature, and causes the regulator to enter thermal shutdown. 4. Devices are ESD sensitive; use proper handling precautions. Human body model, 1.5kΩ in series with 100pF. 5. Specifications are for packaged products only. 6. Assure that V ≥ (V + 3V) and V ≥ 6V. IN OUT IN 7. Quiescent current is specified for the adjustable option. The fixed options will add approximately 1µA due to the internal feedback resistors. 8. Line regulation is a percentage of V . OUT October 2, 2014 3 Revision 2.0

Micrel, Inc. MAQ5282 (5) Electrical Characteristics (Continued) VIN = 12V, CIN = 1.0µF, CPSRR = 0.1µF, COUT = 10µF, IOUT = 100µA, TA = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted. Parameter Condition Min. Typ. Max. Units Power Dropout Voltage Dropout Voltage IOUT = 50mA 2 3 V Thermal Protection Thermal-Shutdown Temperature TJ rising 157 °C Thermal-Shutdown Hysteresis 15 °C October 2, 2014 4 Revision 2.0

Micrel, Inc. MAQ5282 Typical Characteristics Quiescent Supply Current Quiescent Supply Current Output Voltage vs. Input Voltage vs. Temperature vs. Input Voltage 12 12 5.15 VIN = 12V RENT (µA)108 RENT (µA)180 TAGE (V)55..0150 VIOOUUT T= = 5 5mVA R R L U U O QUIESCENT C 46 VOUT = 5V UIESCENT C 246 VIVOIOUNUT T== = 10 25mVVA OUTPUT V445...990050 2 IOUT = 0 Q 0 4.85 0 -50 -25 0 25 50 75 100 125 0 20 40 60 80 100 120 0 20 40 60 80 100 120 TEMPERATURE (°C) INPUT VOLTAGE (V) INPUT VOLTAGE (V) Output Voltage Output Voltage Dropout Voltage vs. Output Current vs. Temperature vs. Output Current 5.15 5.15 3.0 VIN = 12V VIN = 12V UT VOLTAGE (V)555...001050 VOUT = 5V UT VOLTAGE (V)555...001050 VIOOUUT T= = 5 5mVA UT VOLTAGE (V)122...505 VOUT = 5V OUTP4.95 OUTP4.95 OPO1.0 R 4.90 4.90 D 0.5 4.85 4.85 0.0 0 10 20 30 40 50 -50 -25 0 25 50 75 100 125 0 10 20 30 40 50 OUTPUT CURRENT (mA) TEMPERATURE (°C) OUTPUT CURRENT (mA) Dropout Voltage Feedback Pin Voltage Feedback Pin Current vs. Temperature vs. Input Voltage vs. Input Voltage 4 1.280 20 V) VOUT= 5V VOUT = 5V DROPOUT VOLTAGE (123 IOUT= 50mA FB PIN VOLTAGE (V)111...222677505 IOUT = 5mA FB PIN CURRENT (nA)11505 VFB = 1.27V 0 -50 -25 0 25 50 75 100 125 1.260 0 TEMPERATURE (°C) 0 20 40 60 80 100 120 0 20 40 60 80 100 120 INPUT VOLTAGE (V) INPUT VOLTAGE (V) October 2, 2014 5 Revision 2.0

Micrel, Inc. MAQ5282 Typical Characteristics (Continued) Feedback Pin Current Feedback Pin Voltage Feedback Pin Voltage vs. Temperature vs. Output Current vs. Temperature 10 1.30 1.32 VIN = 12V VIN = 12V TAGE (V)111...233901 VIVOOIUNUT T== = 15 25mVVA NT (nA) 68 VIOAUDT J= = 0 1.27V TAGE (V)11..2289 VOUT = 5V OL RE OL V1.28 R V N U 4 N 1.27 FB PI1.27 PIN C FB PI 1.26 B 2 1.26 F 1.25 0 1.25 1.24 -50 -25 0 25 50 75 100 125 0 10 20 30 40 50 -50 -25 0 25 50 75 100 125 TEMPERATURE (°C) OUTPUT CURRENT (mA) TEMPERATURE (°C) Current Limit Line Regulation Load Regulation vs. Temperature vs. Temperature vs. Temperature 250 0.0010 1.00 MIT (mA)125000 VVIONU T= =1 20VV TION (%/V) 0.0005 VVIOIOUNUT =T= = 11 050VV0 utAo 120V ATION (%)0.75 VVIOIOUNUT T== =11 0250VVuA to 50mA URRENT LI100 E REGULA 0.0000 AD REGUL0.50 C N -0.0005 O0.25 50 LI L 0 -0.0010 0.00 -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) Case Temperature* (MME) Power Dissipation PSRR vs. Frequency vs. Output Current vs. Output Current 50 40 0.5 ON (W)0.4 VVIONU T= =1 25VV TURE (°C)40 VVIONU T= =1 25VV ON (dB) 200 VIVCOIOIUNNUT =T== 1= N25 O5V0.mN0VEA Gain (dB) TI A30 TI -20 CPSRR = 0.1µF R DISSIPA00..23 E TEMPER20 LE REJEC --6400 COUT =10µF OWE0.1 CAS10 RIPP -80 P -100 0 -120 0.0 0 10 20 30 40 50 0.01 0.1 1 10 100 1000 0 10 20 30 40 50 OUTPUT CURRENT (mA) FREQUENCY (kHz) OUTPUT CURRENT (mA) Case Temperature*: The temperature measurement was taken at the hottest point on the MAQ5282 case mounted on a 2.25 square inch PCB at an ambient temperature of 25°C; see “Thermal Measurement” section. Actual results will depend upon the size of the PCB, ambient temperature and proximity to other heat emitting components. October 2, 2014 6 Revision 2.0

Micrel, Inc. MAQ5282 Functional Characteristics October 2, 2014 7 Revision 2.0

Micrel, Inc. MAQ5282 Functional Characteristics (Continued) October 2, 2014 8 Revision 2.0

Micrel, Inc. MAQ5282 Detailed Description Output Voltage Setting For the MAQ5282YMME, V is programmed from 1.27V The MAQ5282 voltage regulator accepts a 6V to 120V OUT to 5.5V using: input and has an ultra-low 6µA typical quiescent current while offering an excellent line transient response and PSRR. These features make it ideal for harsh, noisy R1  environments. All options of the device offer 50mA of VOUT =VREF× +1 R2  output current. The MAQ5282YMME offer an adjustable output voltage from 1.27V to 5.5V. The MAQ5282- 3.3YMME offer fixed 3.3V outputs and the MAQ5282- where V = 1.27V, and R1 and R2 are shown in the REF 5.0YMME offer fixed 5.0V outputs. The YMME packaged Typical Applications circuit. devices feature a heat slug to more effectively remove heat from the die. Thermal Measurements Applications Information It is always wise to measure an IC’s case temperature to make sure that it is within operating limits, but it is easy to Thermal Protection get erroneous results. The standard thermocouple that comes with many voltage meters uses a large wire gauge The MAQ5282 has an internal thermal shutdown circuit to that behaves like a heat-sink, resulting in artificially low protect it from excessive heating of the die. When the case temperature measurements. Use a thermocouple of junction temperature exceeds approximately +155°C, the 36-gauge wire or smaller, such as the Omega (5SC-TT-K- output is disabled and the device begins to cool down. The 36-36), to minimize the heat-sinking effect. Also, apply device turns back on when the junction temperature cools thermal compound to maximize heat transfer between the by 15°C. This will result in a cycled output during IC and the thermocouple. continuous thermal-overload conditions. An infrared thermometer is a recommended alternative. Current Limit The IR thermometer from Optris has a 1mm spot size, The MAQ5282 features output current-limit protection. The ideal for monitoring small surface mount packages. Also, output sustains a continuous short circuit to GND without the optional stand makes it easy to keep the beam on the damage to the device, but thermal shutdown often results. IC for long periods of time. Input Capacitor Connect a 1µF capacitor from VIN to GND. Micrel recommends the C5750X7R2E105M, 1µF, 250V capacitor made by TDK. When using a different capacitor, assure that the voltage rating of the capacitor exceeds any potential transient. CPSRR Capacitor Connect a 0.1µF capacitor from CPSRR to GND to maintain high power supply rejection. The voltage rating of the capacitor must be at least 14V. Output Capacitor Connect a 10µF capacitor from VOUT to GND. Assure that the voltage rating of the capacitor exceeds the designed output voltage of the MAQ5282. October 2, 2014 9 Revision 2.0

Micrel, Inc. MAQ5282 Functional Diagram MAQ5282 Adjustable Version MAQ5282 Fixed Version October 2, 2014 10 Revision 2.0

Micrel, Inc. MAQ5282 MAQ5282 Evaluation Board Schematic MAQ5282 Evaluation Board Schematic October 2, 2014 11 Revision 2.0

Micrel, Inc. MAQ5282 Bill of Materials Item Part Number Manufacturer Description Qty. C1 C5750X7R2E105 TDK(1) 1.0µF, 250V, 20%, X7R capacitor (2220) 1 M C2 08053C104KAT2A AVX(2) 0.1µF 25V 20%, X7R capacitor (0805) 1 C3 0805ZD106KAT2A AVX 10µF, 10V, 20%, X5R, capacitor (0805) 1 C4, C5 OPEN 0 R1 CRCW06030000F Vishay/Dale(3) 0Ω, 1% resistor, 0603 1 R2 CRCW06032942F Vishay/Dale 29.4kΩ, 1% resistor, 0603 1 R3 CRCW06031002F Vishay/Dale 10.0kΩ, 1% resistor, 0603 1 R4 CRCW06031822F Vishay/Dale 18.2kΩ, 1%, resistor, 0603 1 R5 CRCW06033012F Vishay/Dale 30.1kΩ, 1% resistor chip, 0603 1 R6 CRCW06036982F Vishay/Dale 69.8kΩ, 1%, resistor, 0603 1 U1 MAQ5282YMME Micrel(4) 120VIN, 50mA, Ultra-Low IQ, High-PSRR Linear Regulator 1 Notes: 9. TDK: www.tdk.com. 10. AVX.: www.avx.com. 11. Vishay Tel: www.vishay.com. 12. Micrel, Inc.: www.micrel.com. October 2, 2014 12 Revision 2.0

Micrel, Inc. MAQ5282 PCB Evaluation Board Layout Top Layer Silk Screen Top Layer Traces October 2, 2014 13 Revision 2.0

Micrel, Inc. MAQ5282 PCB Evaluation Board Layout (Continued) Bottom Layer Traces Bottom Layer Silk Screen October 2, 2014 14 Revision 2.0

Micrel, Inc. MAQ5282 PCB Evaluation Board Layout (Continued) EV Board Dimensions October 2, 2014 15 Revision 2.0

Micrel, Inc. MAQ5282 Package Information 8-Pin Exposed Pad (ePad) MSOP (MME) MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com Micrel, Inc. is a leading global manufacturer of IC solutions for the worldwide high performance linear and power, LAN, and timing & communications markets. The Company’s products include advanced mixed-signal, analog & power semiconductors; high-performance communication, clock management, MEMs-based clock oscillators & crystal-less clock generators, Ethernet switches, and physical layer transceiver ICs. Company customers include leading manufacturers of enterprise, consumer, industrial, mobile, telecommunications, automotive, and computer products. Corporation headquarters and state-of-the-art wafer fabrication facilities are located in San Jose, CA, with regional sales and support offices and advanced technology design centers situated throughout the Americas, Europe, and Asia. Additionally, the Company maintains an extensive network of distributors and reps worldwide. Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this datasheet. This information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Micrel’s terms and conditions of sale for such products, Micrel assumes no liability whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. © 2012 Micrel, Incorporated. October 2, 2014 16 Revision 2.0

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: M icrel: MAQ5282-3.3YMME T5 MAQ5282-3.3YMME TR MAQ5282YMME TR MAQ5282-5.0YMME TR M icrochip: MAQ5282YMME MAQ5282-3.3YMME MAQ5282-5.0YMME MAQ5282YMME-TR MAQ5282-3.3YMME-TR MAQ5282YMME-T5 MAQ5282-3.3YMME-T5 MAQ5282-5.0YMME-T5 MAQ5282-5.0YMME-TR