General Description
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.
   
Features
• 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 50μ A to 100mA
• Low Output Noise
• Wide Operating Range: -40℃ to 125℃
   
Applications
• Charger
• Voltage Adapter
• Switching Power Supply
• Graphic Card
• Precision Voltage Reference