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TLV431ACDBZR Low-Voltage Adjustable Precision Shunt Regulator.
When used with an optocoupler, the TLV431 device is an ideal voltage reference in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. These devices have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turnon characteristic, making them excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.
- Adjustable Voltage and Current Referencing
- Secondary Side Regulation in Flyback SMPSs
- Voltage Monitoring
- Comparator With Integrated Reference