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Shunt voltage references

TLV431B-Q1

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Automotive, low-voltage adjustable precision shunt regulator

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Data sheet
Automotive, low-voltage adjustable precision shunt regulator

TLV431B-Q1

ACTIVE
Data sheet Order now

Product details

VO (V) 1.24 Reference voltage Adjustable Initial accuracy (Max) (%) 0.5 VO adj (Min) (V) 1.24 VO adj (Max) (V) 6 Iz for regulation (Min) (uA) 55 Rating Automotive Temp coeff (Max) (ppm/ degree C) 161 Operating temperature range (C) -40 to 125 Iout/Iz (Max) (mA) 15
VO (V) 1.24 Reference voltage Adjustable Initial accuracy (Max) (%) 0.5 VO adj (Min) (V) 1.24 VO adj (Max) (V) 6 Iz for regulation (Min) (uA) 55 Rating Automotive Temp coeff (Max) (ppm/ degree C) 161 Operating temperature range (C) -40 to 125 Iout/Iz (Max) (mA) 15
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SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37
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Technical documentation

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Type Title Date
* Data sheet TLV431x-Q1 Low-Voltage Adjustable Precision Shunt Regulator datasheet (Rev. A) 18 Oct 2017
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
Application note Automotive LED Lighting with Adjustable Shunt References 17 Jul 2018

Design & development

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Simulation model

TLV431 Family Unencrypted PSpice Transient and AC Model (Rev. A)

SLIM005A.ZIP (161 KB) - PSpice Model
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Simulation model

TLV431 Family TINA-TI Transient and AC Spice Model

SLVM088.ZIP (3 KB) - TINA-TI Spice Model
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Simulation model

TLV431 Family TINA-TI Transient Reference Design

SLVM089.TSC (45 KB) - TINA-TI Reference Design
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Simulation model

TLV431 Family TINA-TI AC Reference Design

SLVM090.TSC (80 KB) - TINA-TI Reference Design
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Reference designs

TIDA-01629 — 48V/500W Three-phase Inverter with Smart Gate Driver Reference Design for Servo Drives

Efficiency, protection, and integration are important design factors for compact DC-fed drives up to 60VDC. This reference design shows a three-phase inverter with nominal 48-V DC input and a 10-ARMS output current.  The 100-V intelligent three-phase gate driver DRV8350R with integrated buck (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-01527 — Discrete Resolver Front-End Reference Design With C2000™ Microcontroller and ±0.1° Accuracy

This reference design is an excitation amplifier and analog front end for resolver sensors. The design implements only discrete components and standard operational amplifiers on a 1-in2 printed circuit board (PCB). The provided algorithm and code example uses a 2000™ microcontroller (MCU (...)
document-pdfAcrobat Schematic
Package Pins Download
SOT-23 (DBV) 5 View options
SOT-23 (DBZ) 3 View options

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