LT1431

更新时间： 2024-09-29 22:51:51

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	273K
描述
Programmable Reference

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数据手册

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LT1431 数据手册

LT1431

Programmable Reference

DESCRIPTIO

EATURE

■

Guaranteed 0.4% Initial Voltage Tolerance

0.1Ω Typical Dynamic Output Impedance

Fast Turn-On

Sink Current Capability, 1mA to 100mA

Low Reference Pin Current

The LT1431 is an adjustable shunt voltage regulator with

100mA sink capability, 0.4% initial reference voltage tol-

erance, and 0.3% typical temperature stability. On-chip

dividerresistorsallowtheLT1431tobeconfiguredasa5V

shunt regulator, with 1% initial voltage tolerance and

requiring no additional external components. By adding

twoexternalresistors,theoutputvoltagemaybesettoany

value between 2.5V and 36V. The nominal internal current

limit of 100mA may be decreased by including one exter-

nal resistor.

O U

PPLICATI

■

Linear Regulators

Adjustable Power Supplies

Switching Power Supplies

A simplified three pin version, the LT1431Z/IZ, is available

for applications as an adjustable reference and is pin

compatible with the TL431.

TYPICAL APPLICATI

Isolated 5V Regulator

TOP

COLL

COMP

SWITCHING

REGULATOR

REF

gm =

4mA/V

–

MID

–

2.5V

LT1431

GND-F

GND-S

LT1431 • TA01

12 3 4 5 6 7...12

中文翻译

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