AS431ANTR-G1

AS431ANTR-G1 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). Typical applications include voltage adapter, switching power supply, graphic card, precision voltage reference.

• 0.5% voltage tolerance
• Programmable precise output voltage from 2.5V to 36V
• High stability under capacitive load, low output noise
• Off-state cathode current is 0.05µA typ at VKA=36V, VREF=0, TA=+25°C
• Low equivalent full-range temperature coefficient with 20PPM/°C typical
• Sink current capacity from 1mA to 100mA
• Dynamic impedance is 0.15ohm at VKA=VREF, IKA=1 to 100mA, f ≤ 1.0kHz, TA=+25°C
• SOT23 package
• Operating ambient temperature range from -40 to +125°C

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