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AZ431BM-BTR Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AZ431BM-BTR Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 19 page  Data Sheet 1 Mar. 2007 Rev. 2. 4 BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AZ431-B General Description The AZ431-B is a three-terminal adjustable shunt regu- lator with guaranteed thermal stability over a full oper- ation range. It features sharp turn-on characteristics, low temperature coefficient and low output impedance, which make it ideal substitute for Zener diode in appli- cations such as switching power supply, charger and other adjustable regulators. The output voltage of AZ431-B can be set to any value between VREF (2.5V) and the corresponding maximum cathode voltage. The AZ431-B precision reference is offered in two voltage tolerance: 0.4% and 0.8%. This IC is available in 5 packages: TO-92 (bulk or ammo packing), SOT-23, SOT-23-5, SOT-89-3 and SOIC-8. Features · Programmable Precise Output Voltage from 2.5V to 18V · High Stability under Capacitive Load · Low Temperature Deviation: 4.5mV Typical · Low Equivalent Full-range Temperature Coeffi- cient with 20PPM/oC Typical · Sink Current Capacity from 1mA to 100mA · Low Output Noise · Wide Operating Range of -40 to 125oC Applications · Charger · Voltage Adapter · Switching Power Supply · Graphic Card · Precision Voltage Reference Figure 1. Package Types of AZ431-B SOIC-8 SOT-23 TO-92 SOT-89-3 SOT-23-5 TO-92 Ammo Packing |
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