TLV431A - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TLV431A
Manufacturer

TI
ChipWorker Part#

CW392836730
Package

SOT-23-3
Description

Low Voltage Adjustable Precision Shunt Regulator
Documentation

Datasheet

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TLV431A Specifications

Attribute	Attribute Value

Part Number	TLV431A
Manufacturer	TI
ChipWorker Part#	CW392836730
Documentation	Datasheet
Case/Package	SOT-23-3
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Product Lifecycle Status
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TLV431 device is a low-voltage 3-terminal adjustable voltage reference 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 6 V with two external resistors. 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 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 turn-on characteristic, making them excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.
Low-Voltage Operation, VREF = 1.24 V
Adjustable Output Voltage, VO = VREF to 6 V
Reference Voltage Tolerances at 25°C
0.5% for TLV431B
1% for TLV431A
1.5% for TLV431
Typical Temperature Drift
4 mV (0°C to 70°C)
6 mV (–40°C to 85°C)
11 mV (–40°C to 125°C)
Low Operational Cathode Current, 80 µA Typ
0.25-Ω Typical Output Impedance
Ultra-Small SC-70 Package Offers 40% Smaller Footprint Than SOT-23-3
See TLVH431 and TLVH432 for:
Wider VKA (1.24 V to 18 V) and IK (80 mA)
Additional SOT-89 Package
Multiple Pinouts for SOT-23-3 and SOT-89 Packages
On Products Compliant to MIL-PRF-38535,
All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

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