ZTL431AQ, ZTL431BQ ZTL432AQ, ZTL432BQ AUTOMOTIVE COMPLIANT ADJUSTABLE PRECISION SHUNT REGULATOR Description Pin Assignments The ZTL431AQ, ZTL431BQ, ZTL432AQ, and ZTL432BQ are three (Top View) terminal adjustable shunt regulators that offer excellent temperature stability and output current handling capability up to 100mA. The output voltage can be set to any chosen voltage between 2.5V and 20V by the selection of two external divider resistors. The ZTL432AQ, ZTL432BQ has the same electrical specifications as the ZTL431AQ, ZTL431BQ but has a different pin out in SOT23 SOT23 (ZTL431AQ, ZTL431BQ) (F-suffix). (Top View) The ZTL431AQ, ZTL431BQ, ZTL432AQ, and ZTL432BQ are available in two grades with initial tolerances of 1% and 0.5% for the A and B grades respectively. These devices are functionally equivalent to the TL431/TL432 except for maximum operation voltage, and they have an ambient temperature range of -40C to +125C as standard. SOT23 (ZTL432AQ, ZTL432BQ) Features (Top View) Temperature Range: -40C to +125C N/C 1 Anode 5 Reference Voltage Tolerance at +25C 0.5%: B Grade N/C* 2 1%: A Grade 0.2 Typical Output Impedance Cathode 3 4 Ref Sink Current Capability: 1mA to 100mA *must be left floating or Adjustable Output Voltage: V to 20V REF connected to pin 5 Green Molding in SOT23 and SOT25 SOT25 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) (ZTL431AQ, ZTL431BQ) Halogen and Antimony Free. Green Device (Note 3) The ZTL431AQ, ZTL431BQ, ZTL432AQ and ZTL432BQ are Typical Application suitable for automotive applications requiring specific change control and are AEC-Q100 qualified, have a grade 1 temperature rating, are PPAP capable, and are manufactured in IATF16949:2016 certified facilities. Applications Opto-Coupler Linearization Linear Regulators Improved Zener ZTL431AQ, ZTL431BQ, Variable Reference ZTL432AQ, ZTL432BQ Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See ZTL431AQ, ZTL431BQ ZTL432AQ, ZTL432BQ Absolute Maximum Ratings (Voltages specified are relative to the Anode pin unless otherwise stated.) Parameter Rating Unit Cathode Voltage (V ) 20 V KA 150 mA Continuous Cathode Current (I ) KA -50A to +10mA Reference Input Current Range (I ) REF Operating Junction Temperature -40 to +150 C Storage Temperature -55 to +150 C ESD Susceptibility HBM Human Body Model 2 kV MM Machine Model 200 V CDM Charged Device Model 1 kV Caution: Stresses greater than the Absolute Maximum Ratings specified above, can cause permanent damage to the device. These are stress ratings only functional operation of the device at conditions between maximum recommended operating conditions and absolute maximum ratings is not implied. Device reliability can be affected by exposure to absolute maximum rating conditions for extended periods of time. (Semiconductor devices are ESD sensitive and can be damaged by exposure to ESD events. Suitable ESD precautions should be taken when handling and transporting these devices.) Package Thermal Data P DIS Package JA T = +25C, T = +125C A J SOT23 380C/W 260mW SOT23F 138C/W 720mW SOT25 250C/W 400mW Recommended Operating Conditions ( T = +25C, unless otherwise specified.) A Symbol Parameter Min Max Unit V Cathode Voltage V 20 V KA REF I Cathode Current 1 100 mA KA T Operating Ambient Temperature Range -40 +125 C A Electrical Characteristics ( T = +25C, unless otherwise specified.) A Symbol Parameter Conditions Min Typ Max Unit A - grade 2.475 2.5 2.525 V = V KA REF V Reference Voltage V REF I = 10mA B - grade 2.487 2.5 2.513 KA T = 0 to +70C 6 16 A Deviation of Reference Voltage Over Full V = V KA REF V T = -40 to +85C 14 34 mV DEV A Temperature Range I = 10mA KA T = -40 to +125C 14 34 A -1.4 -2.7 V V = V to 10V REF Ratio of Change In Reference Voltage KA REF I = 10mA mV/V KA To the Change In Cathode Voltage V -1.0 -2.0 KA V = 10V to 20V KA Reference Input Current 2 4 A I I = 10mA, R1 = 10k, R = open REF KA 2 0.8 1.2 T = 0 to +70C A I = 10mA KA I I Deviation Over Full Temperature Range R = 10k T = -40 to +85C 0.8 2.5 A REF REF 1 A R = open 2 T = -40 to +125C 0.8 2.5 A I Minimum Cathode Current for Regulation V = V 0.4 0.6 mA KA(MIN) KA REF I Off State Current V = 20V, V = 0V 0.1 0.5 A KA(OFF) KA REF R Dynamic Output Impedance V = V , f = 0Hz 0.2 0.5 Z KA REF 2 of 11 September 2019 ZTL431AQ, ZTL431BQ, ZTL432AQ, ZTL432BQ www.diodes.com Diodes Incorporated Document number: DS36916 Rev. 5 - 2