AS431:2.5V Reference Voltage Parts

Part NumberData SheetSPICE ModelQualified to AECQ10xPPAP CapableReferenceVoltage (V)Accuracy (%)MaximumInput Voltage (V)Sink Current (mA)Minimum Cathode Current for Regulation Typ (µA)Maximum Slope Resistance (Ω)Operating Ambient Temperature Range (°C)
AS431AS431.pdf---2.51 0.53610010000.5-40 to +125
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 (2.5V) and the corresponding maximum cathode voltage (36V). The AS431 precision reference is offered in two voltage tolerance: 0.5% and 1.0%.

Application
  • Charger
  • Voltage Adapter
  • Switching Power Supply
  • Graphic Card
  • Precision Voltage Reference
Features
  • Programmable Precise Output Voltage from 2.5V to 36V
  • High Stability under Capacitive Load
  • Low Temperature Deviation: 4.5mV Typical
  • Low Equivalent Full-range Temperature Coefficient with 20PPM/°C Typical
  • Sink Current Capacity from 1mA to 100mA
  • Low Output Noise
  • Wide Operating Range of -40°C to 125°C
Ordering Information
  • AS431AKTR-E1
  • AS431ANTR-E1
  • AS431ANTR-G1
  • AS431ARTR-E1
  • AS431ARTR-G1
  • AS431AZTR-E1
  • AS431AZTR-G1
  • AS431BKTR-G1
  • AS431BNTR-E1
  • AS431BNTR-G1
  • AS431BRTR-E1
  • AS431BRTR-G1
  • AS431BZTR-E1
  • AS431BZTR-G1
  • AS431IANTR-G1
  • AS431IAZTR-G1
  • AS431IBNTR-G1
SOT25
SOT89
TO92
AS431.pdf AS431
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