REF-431 4.096V DC precision voltage reference

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Home > download > Product Catalogue > Analog Signal Process > REF-431 4.096V DC precision voltage reference

REF-431 4.096V DC precision voltage reference

Power supplies
Low Output Noise
Switching power supplies
PWM Converter With Reference
Adjustable Output Voltage：Vref to 36 V

Description
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Introduce

REF-431 is a high precision voltage reference source which used TL-431 from Texas Instruments. The TL431 is three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36V. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies.

Features

1. Sink-Current Capability ：1 mA to 100 mA

2. 0.2Ω Typical Output Impedance

3. Low Output Noise

4. Operation From -40°C to 125°C

5. Adjustable Output Voltage：Vref to 36 V

Application

1. Power supplies

2. Switching power supplies

3. Precision Current Limiter

4. Voltage Monitor

5. Efficient 5-V Precision Regulator