Datasheet > WSL431-XPA4

WSL431-XPA4

更新时间： 2022-11-25 18:18:07

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其他 - ETC		稳压器
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7页	276K
描述
Adjustable Precision Shunt Regulator

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WSL431-XPA4 数据手册

WSL431

Adjustable Precision Shunt Regulator

Features

•

Precise Reference Voltage to 2.505V

This device has a typical output impedance of

o.1ꢀ. Active output circuitry provides a very

sharp turn-on characteristic, making the

WSL431 excellent replacements for zener diodes

in many applications, including on-board

Regulation and adjustable power supplies.

Guaranteed 0.5%, 1% and 2% Reference

Voltage Tolerance

•

Sink Current Capability, 1mA to 100mA

Quick Turn-on

Adjustable Output Voltage, Vo = Vref to 20V

Low Operational Cathode Current, 150µA

Typical

•

0.1Ω Typical Output Impedance

SOT-89 , TO-92 and SOT-23 Packages

Applications

•

Linear Regulators

Adjustable Power Supply

Switching Power Supply

REF ANODE CATHODE

SOT-89 (Top View)

General Description

The WSL431 is a 3 terminal adjustable voltage

reference with specified thermal stability over

applicable commercial temperature ranges.

Output voltage may be set to any value between

Vref (2.505V) and 20V with two external

resistors (see Figure 2).

When used with a photocoupler, the WSL431 is

an ideal voltage reference in isolated feedback

circuits for 2.505V to 12V switching-mode

power supplies.

TO-92

SOT-23 (Top View)

Winson reserves the right to make changes to improve reliability or manufacturability.

©Winson, Jan. 2000 (Rev. C)

12 3 4 5 6 7

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