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TL431AIDBZR +BOM

2.495V~36V ±1% 100mA Adjustable SOT-23 Voltage References ROHS

Manufacturer:

Texas Instruments
Mfr.Part #:

TL431AIDBZR
Datasheet:

TL431AIDBZR Datasheet (PDF)
VO (V):

2.495
Initial Accuracy (max) (%):

0.5, 1, 2
VO Adj (min) (V):

2.495
VO Adj (max) (V):

36
EDA/CAD Models:

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TL431AIDBZR General Description

The TL431LI / TL432LI are pin-to-pin alternatives to TL431 / TL432. TL43xLI offers better stability, lower temperature drift (VI(dev)), and lower reference current (Iref) for improved system accuracy.

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 device has exactly the same functionality and electrical specifications as the TL431 device, but has different pinouts for the DBV, DBZ, and PK packages.

Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift versus temperature ensures good stability over the entire temperature range.

The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

Key Features

Reference voltage tolerance at 25°C
- 0.5% (B grade)
- 1% (A grade)
- 2% (Standard grade)
Adjustable output voltage: V ref to 36 V
Operation from −40°C to 125°C
Typical temperature drift (TL43xB)
- 6 mV (C temp)
- 14 mV (I temp, Q temp)
Low Output Noise
0.2-Ω Typical output impedance
Sink-current capability: 1 mA to 100 mA

Application

Voltage Regulation: It's commonly used in power supplies to provide a stable reference voltage for voltage regulation circuits.
Switching Power Supplies: In switching power supplies, the TL431AIDBZR can be used to set a precise output voltage.
Battery Chargers: Battery chargers use voltage references to ensure that the battery is charged to the correct voltage.
Voltage Monitors: It can be used as a reference voltage in voltage monitoring and alarm circuits.
Voltage References: In data acquisition systems and analog-to-digital converters, it serves as a voltage reference to ensure accurate measurements.
Audio Equipment: Precision voltage references are essential in audio equipment to maintain high-quality sound.
Temperature Sensors: Some temperature sensors use voltage references to provide accurate temperature readings.
LED Drivers: In LED driver circuits, it can help set the appropriate voltage levels for LED operation.
Automotive Electronics: The TL431AIDBZR is used in various automotive applications where precision voltage references are required.
Industrial Control Systems: Industrial control systems often use voltage references for precise control of processes.

Specifications

VO (V)	2.495	Initial accuracy (max) (%)	0.5, 1, 2
VO adj (min) (V)	2.495	VO adj (max) (V)	36
Iz for regulation (min) (µA)	400	Reference voltage (V)	adjustable
Rating	Catalog	Temp coeff (max) (ppm/°C)	92
Operating temperature range (°C)	-40 to 125, -40 to 85, 0 to 70	Iout/Iz (max) (mA)	100
feature-reference-type	Adjustable	feature-topology	Shunt
feature-initial-accuracy	1%	feature-maximum-temperature-coefficient	92ppm/°C
feature-output-voltage-v	2.495 to 36	feature-maximum-input-voltage-v	37
feature-maximum-output-current-ma	100	feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	3
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	Yes	feature-aec-qualified-number
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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Ratings and Reviews

H**n 03/09/2024

Minden rendben. Gyors szállítás. 5 csillag.

N**s 12/18/2022

For a very short time the goods were delivered. Received on the last day, in principle works, but a small output level, although it is possible to deal in the low sensitivity of the amplifier selected for verification.

S**n 09/20/2021

The product corresponds to the description. Thanks to the seller. I recommend.

A**n 09/02/2021

All as in the picture, delivery is very fast