See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DBZ | 3

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

TLVH431BQDBZRQ1


Automotive Catalog Low-Voltage Adjustable Precision Shunt Regulator

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Texas Instruments TLVH431BQDBZRQ1

The TLVH431 devices are low-voltage 3-terminal adjustable voltage references, with thermal stability specified over the automotive temperature range. Output voltage can be set to any value between VREF (1.24 V) and 18 V with two external resistors (see Figure 2). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLVH431 devices are ideal voltage reference in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 . Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 an excellent replacement for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

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