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Product details

Parameters

VO (V) 1.24 Reference voltage Adjustable Initial accuracy (Max) (%) 1.5 Rating Catalog VO adj (Min) (V) 1.24 VO adj (Max) (V) 18 Iz for regulation (Min) (uA) 60 Temp coeff (Max) (ppm/ degree C) 138 Operating temperature range (C) -40 to 125, -40 to 85, 0 to 70 Iout/Iz (Max) (mA) 80 open-in-new Find other Shunt voltage references

Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 SOT-89 (PK) 3 18 mm² 4.5 x 4.095 SOT-SC70 (DCK) 6 4 mm² 2 x 2.1 TO-92 (LP) 3 19 mm² 5.2 x 3.68 open-in-new Find other Shunt voltage references
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Same functionality and pinout but is not an equivalent to the compared device:
ATL431 ACTIVE 2.5-V low-IQ adjustable precision shunt regulator Improved cathode current with 35uA minimum.
TLV431 ACTIVE 1.5% accuracy, low-voltage, adjustable precision shunt regulator Vout (12V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages, Vref=1.24, 2% trim accuracy.
Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
TLVH432 ACTIVE 1.5% low-voltage wide-operating current adjustable precision shunt regulator (reverse pinout) Wider range for Vout (18V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages.

Technical documentation

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Type Title Date
* Datasheet TLVH431, TLVH432 Low-Voltage Adjustable Precision Shunt Regulators datasheet (Rev. L) Apr. 14, 2020
Application notes Using the TL431 for Undervoltage and Overvoltage Detection (Rev. A) Dec. 11, 2019
Selection guides 431 Device Nomenclature (Rev. B) Sep. 18, 2019
White papers Voltage Supervisor and Reset ICs: Tips, Tricks and Basics Jun. 28, 2019
White papers Tips and tricks for designing with voltage references May 30, 2017
Technical articles Designing for isolated DC/DC converter shunt safety Aug. 29, 2015
Application notes Designing Overcurrent protection for TPL7407L Peripheral Driver Nov. 05, 2014
Application notes Setting the shunt voltage on an adjustable shunt regulator Sep. 01, 2011
More literature SLL Precision Reference Product Clip Feb. 23, 2006

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
$175.00
Description
UCC25640EVM-020 is a 180W, LLC resonant converter using UCC256404. This EVM accepts DC input from 360V to 410V, AC input voltage from 85VAC to 264VAC and outputs 12VDC with 180W full load output power.
Features
  • Optimized burst mode function for low audible noise and low standby power
  • Integrated high voltage startup and integrated gate drivers reducing total BOM count
  • Robust protection features including overvoltage, overcurrent and zero current switching detection
  • X capacitor discharge function
EVALUATION BOARDS Download
document-generic User guide
Description
What is BeagleBone® AI?

Built on the proven BeagleBoard.org® open source Linux approach, BeagleBone® AI fills the gap between small SBCs and more powerful industrial computers. Based on the Texas Instruments, Sitara™ AM5729 processor, developers have access to a highly integrated and (...)

Design tools & simulation

SIMULATION MODELS Download
SLIM268.TSC (45 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLIM269.TSC (80 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLIM270.TSM (3 KB) - TINA-TI Spice Model
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SLVM672.ZIP (19 KB) - PSpice Model

Reference designs

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TIDEP-0075 — PROFINET is becoming the leading industrial Ethernet protocol in automation due to its high-speed, deterministic communications and enterprise connectivity. However, as the world’s most popular fieldbus, PROFIBUS’s importance and usage will continue for many years due to legacy (...)
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OPC UA Data Access Server for AM572x Reference Design
TIDEP0078 — OPC UA is an industrial machine-to-machine protocol designed to allow interoperability and communication between all machines connected under Industry 4.0. The TIDEP0078 TI Design demonstrates use of the MatrikonOPC™ OPC UA server development kit (SDK) to allow communications using an OPC UA (...)
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System Level Power Reference Design for A13 Automotive Wireless Charger Transmitter
PMP10709 PMP10709 is a system optimized 50 W power designs for A13 Wireless Charger Transmitter used in automotive system. The design has various front end automotive protections such as Load dump through TVS (ISO pulse testing), Reverse Voltage (Through PFET’s body diode), Battery Disconnect Switch (...)
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CAD/CAE symbols

Package Pins Download
SC70 (DCK) 6 View options
SOT-23 (DBV) 5 View options
SOT-23 (DBZ) 3 View options
SOT-89 (PK) 3 View options
TO-92 (LP) 3 View options

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