TLV431ASN1T1G Voltage References & Supervisors by ON Semiconductor

Low Voltage Precision Adjustable Shunt Regulator

Status: Active
Series: TLV431
RoHS: Compliant
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The TLV431 series of parts are precision low voltage shunt regulators that are programmable over a wide voltage range of 1.24V to 16V. The TLV431A series features a guaranteed reference accuracy of 1.0% at 25 °C and 2.0% over the entire industrial temperature range of -40 °C to 85 °C. For TLV431B series, the accuracy is 0.5% and 1.0%, respectively. For the TLV431C series, the accuracy is 0.2% and 0.5%, respectively. These devices exhibit a sharp low current turn-on characteristic with a low dynamic impedance of 0.20 W over an operating current range of 0.1mA to 20mA. This combination of features makes this series an excellent replacement for zener diodes in numerous applications circuits that require a precise refrence voltage. When combined with an optocoupler, the TLV431 can be used as an error amplifier for controlling the feedback loop in isolated low output voltage (3.0V to 3.3V) switching power supplies. These devices are available in economical TO-92 and micro size TSOP-5 and SOT23-3 packages.

Prices starting from US$0.13


Distributor Starting From Stock
Logo for EBV Elektronik EBV Elektronik -
9,000
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Logo for RS RS US$0.14
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Logo for Farnell Farnell US$0.15
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Logo for Newark Electronics Newark Electronics US$0.17
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Logo for Avnet America Avnet America US$0.14
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Logo for element14 element14 US$0.15
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Features

Voltage Reference Tolerance +/-1.0%
Sharp Low Current Turn-On Characteristic
Low Dynamic Output Impedance of 0.20 W from 100 mA to 20 mA
Programmable Output Voltage Range of 1.24 V to 16 V
Micro Miniature TSOP-5 and TO-92 Packages
Pb-Free Package is Available
A = 1.0% tolerance Vref
B = 0.5% tolerance Vref
C = 0.2% tolerance Vref
Applications
Low Output Voltage (3.0 V to 3.3 V) Switching Power Supply Error Amplifier
Voltage Monitoring
Analog and Digital Circuits Requiring Precision References
Power Supplies
End Products
Adjustable Voltage or Current Linear and Switching Power Supplies
Current Source and Sink Circuits
Low Voltage Zener Diode Replacements
Smart Phone Charger / Adapters

Specifications

Description TLV431, 1.0% Vref
Compliance Pb-free Halide free
Type Adjustable
V(BR) Typ (V) 1.25
Tolerance (%) 1
IQ Typ (mA) 0.055
IR Min (mA) 0.015
VF Max (V) 16
TA Min (°C) -40
TA Max (°C) 85
Package Type SOT-23-3

Alternative Descriptions

TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - SOT-23-3 | Future Electronics
V-Ref Adjustable 1.24V to 16V 20mA 3-Pin SOT-23 T/R | EBV Elektronik
ANA 1.24V PROG SHUNT REF | RS
VOLTAGE REF, SHUNT, 1.24-16V, SOT-23-3 | Farnell
Voltage Reference Type:Shunt - Adjustable | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a TLV431ASN1T1G?

Additional datasheets, footprints and schematics for TLV431ASN1T1G are listed on our Part Details page. You can also find images and similar parts to TLV431ASN1T1G on this page.

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What category does TLV431ASN1T1G fall under?

The TLV431ASN1T1G is listed under Power Management > Voltage References & Supervisors > Voltage References.

Can I view similar or alternative parts?

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Is the TLV431ASN1T1G RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for TLV431ASN1T1G have stock available?

Authorised distributors including Future Electronics, EBV Elektronik, RS, Farnell and Newark Electronics have stock available or on a lead time for TLV431ASN1T1G.

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