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Details for TLVH431AIDBVR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
Buy Directly from Texas Instruments (4168 in stock) $0.1760
IC ADJ SHUNT REG 1.24V 1% 5-SOT-23

TLVH431AIDBVR by Texas Instruments

IC ADJ SHUNT REG 1.24V 1% 5-SOT-23

0.25-u2126 Typical Output Impedance
Adjustable Output Voltage, VO = VREF to 18 V
Low-Voltage Operation: Down to 1.24 V
Reference Voltage Tolerances at 25u00b0C u2013 0.5% for B Grade u2013 1% for A Grade u2013 1.5% for Standard Grade
TLVH432 Provides Alternative Pinouts for SOT-23-3 and SOT-89 Packages
Ultra-Small SC-70 Package Offers 40%
Wide Operating Cathode Current Range: 100 u03bcA to 70 mA
u201340u00b0C to +125u00b0C Specifications

Part Information

RoHS Compliant


The TLVH431 and TLVH432 devices are low-voltage 3-terminal adjustable voltage references, with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between VREF (1.24 V) and 18 V with two external resistors (see Figure 19). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shuntregulator references. When used with an optocoupler, the TLVH431 and TLVH432 devices are ideal voltage references in isolated feedback circuits for 3-V to 3.3-V switchingmode power supplies. They have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 devices excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies. The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages.

Technical Specifications

Reference Type:
Shunt Programmable
Input Voltage Min:
Input Voltage Max:
Reference Voltage:
Reference Voltage Tolerance:
Voltage Reference Case Style:
No. of Pins:

Alternate Descriptions

V-Ref Adjustable 1.24V to 18V 70mA 5-Pin SOT-23 T/R Avnet America
1% low-voltage wide-operating current adjustable precision shunt regulator Texas Instruments