Datasheet > TLVH431B-EP

TLVH431B-EP

更新时间： 2023-09-03 20:35:06

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
29页	1260K
描述
精度为 0.5% 的塑料增强型、低电压、宽工作电流、可调节精密并联稳压器

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TLVH431B-EP

SLVSFF4 –DECEMBER 2019

TLVH431B-EP Enhanced Plastic 0.5% Low-Voltage Wide-Operating Current

Adjustable Precision Shunt Regulator

1 Features

3 Description

The TLVH431B-EP device is

a low-voltage, 3-

•

Low-voltage operation: down to 1.24 V

Reference voltage tolerances 0.5% at 25°C

Adjustable output voltage, V_O= V_REFto 18 V

terminal, adjustable voltage reference with specified

thermal stability over applicable industrial and

commercial temperature ranges. Output voltage can

be set to any value between V_REF(1.24 V) and 18 V

with two external resistors (see Figure 24). This

device operates from a lower voltage (1.24 V) than

the widely used TL431 and TL1431 shunt-regulator

references.

•

Wide operating cathode current range:

200 μA to 70 mA

•

0.25-Ω typical output impedance

Supports defense and aerospace applications:

–

Controlled baseline

When used with an optocoupler, the TLVH431B-EP

device is ideal for voltage references in isolated

feedback circuits designed for 3-V to 3.3-V switching-

Available in extended (–55°C to 125°C)

temperature range

mode power supplies. It has

a typical output

–

Extended product life cycle

Extended product-change notification

Product traceability

impedance of 0.25 Ω. Active output circuitry provides

a very sharp turn-on characteristic, making the

TLVH431B-EP device an excellent replacement for

low-voltage Zener diodes in many applications,

including on-board regulation and adjustable power

supplies.

2 Applications

•

Adjustable voltage and current referencing

Secondary side regulation in flyback SMPSs

Zener replacement

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TLVH431BMDBZREP SOT-23 (3)

2.92 mm × 1.30 mm

Voltage monitoring

Comparator with integrated reference

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

Input

REF

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...29

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与TLVH431B-EP相关器件

型号	品牌	获取价格	描述	数据表
TLVH431BICT	STMICROELECTRONICS	获取价格	Programmable shunt voltage reference
TLVH431BIDBVR	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBVRE4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBVRG4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBVT	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBVTE4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBVTG4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBZR	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
TLVH431BIDBZRG4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431BIDBZT	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

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