Datasheet > TLVH431A-Q1

TLVH431A-Q1

更新时间： 2024-11-11 11:58:27

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
25页	658K
描述
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS

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TLVH431A-Q1 数据手册

TLVH431A-Q1

TLVH431B-Q1

www.ti.com

SLVS906B –DECEMBER 2008–REVISED MARCH 2011

LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS

Check for Samples: TLVH431A-Q1, TLVH431B-Q1

FEATURES

•

Qualified for Automotive Applications

Low-Voltage Operation: Down to 1.24 V

Reference Voltage Tolerances at 25°C

–

0.5% for B Grade

1% for A Grade

•

Adjustable Output Voltage, V_O= V_REFto 18 V

Wide Operating Cathode Current Range:

100 μA to 70 mA

•

0.25-Ω Typical Output Impedance

–40°C to 125°C Specifications

DESCRIPTION/ORDERING INFORMATION

The TLVH431 devices are low-voltage 3-terminal adjustable voltage references, with thermal stability specified

over the automotive temperature range. Output voltage can be set to any value between V_REF(1.24 V) and 18 V

with two external resistors (see Figure 2). These devices operate from a lower voltage (1.24 V) than the widely

used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLVH431 devices are ideal voltage reference in isolated feedback circuits

for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 Ω. Active output

circuitry provides a very sharp turn-on characteristic, making the TLVH431 an excellent replacement for

low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

ORDERING INFORMATION⁽¹⁾

V_REF

TOLERANCE

T_A

PACKAGE⁽²⁾

ORDERABLE PART NUMBER

TOP-SIDE MARKING

0.5%

SOT-23-5 – DBV

Reel of 3000

TLVH431BQDBVRQ1

TLVH431BQDBZRQ1

TLVH431AQDBVRQ1

VOPQ

VPIQ

–40°C to 125°C

0.5%

SOT-23-3 - DBZ

SOT-23-5 – DBV

VOOQ

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与TLVH431A-Q1相关器件

型号	品牌	获取价格	描述	数据表
TLVH431AQDBVR	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBVR	NXP	获取价格	IC THREE TERM VOLTAGE REFERENCE, Voltage Reference
TLVH431AQDBVR,125	NXP	获取价格	TLVH431 family - Low voltage adjustable precision shunt regulators TSOP 5-Pin
TLVH431AQDBVRE4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBVRG4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBVRQ1	TI	获取价格	汽车类低电压可调节精密并联稳压器 \| DBV \| 5 \| -40 to 125
TLVH431AQDBVT	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBVTE4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBVTG4	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLVH431AQDBZR	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS

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