Transcription of CATHODE REF R F ATHODE - Diodes Incorporated
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AS431 Document number: DS36599 Rev. 4 - 2 1 of 20 May 2018 Diodes Incorporated AS431 ADJUSTABLE precision SHUNT regulators Description The AS431 is a three-terminal adjustable shunt regulator with guaranteed thermal stability over a full operation range. It features sharp turn-on characteristics, low temperature coefficient and low output impedance, which make it ideal substitute for Zener diode in applications such as switching power supply, charger and other adjustable regulators . The output voltage of AS431 can be set to any value between VREF ( ) and the corresponding maximum CATHODE voltage (36V). The AS431 precision reference is offered in two voltage tolerance: and This IC is available in 4 packages: TO92 (Ammo Packing), SOT23, SOT25 and SOT89. Features Programmable Precise Output Voltage from to 36V High Stability under Capacitive Load Low Temperature Deviation: Typical Low Equivalent Full-range Temperature Coefficient with 20 PPM/ C Typical Sink Current Capacity from 1mA to 100mA Low Output Noise Wide Operating Range of -40 to +125 C Lead-Free Packages: SOT23, SOT25, TO92 (Ammo Packing), SOT89 Totally Lead-Free; RoHS Compliant (Notes 1 & 2) Lead-Fr
AS431 Document number: DS36599 Rev. 4 - 2 © Diodes Incorporated 3 of 20 www.diodes.com May 2018 AS431 Typical Applications Circuit (Cont.) Precision 5V 1A Regulator
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