AS431IANTR-G1

A Product Line of Diodes Incorporated AS431I LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR Description Features The AS431I 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.  Programmable Precise Output Voltage from 2.5V to 36V  High Stability Under Capacitive Load  Low Minimum Cathode Current for Regulation: 10µA (Typ.), 50µA (Max.)  Low Temperature Deviation: 4.5mV Typical  Sink Current Capacity from 50µA to 100mA  Low Output Noise  Wide Operating Range: -40 to +125oC  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3) The output voltage of AS431I can be set to any value between VREF (2.5V) and the corresponding maximum cathode voltage (36V). o The AS431I is offered in two grade initial voltage tolerance at +25 C, 0.5%, and 1%. This IC is available in 3 packages: TO-92 (bulk or ammo packing), SOT-23 and SOT-89. Notes: Applications  Charger  Voltage Adapter  Switching Power Supply  Graphic Card  Precision Voltage Reference 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain