Datasheet > XL1583E1

XL1583E1

更新时间： 2022-10-12 13:38:50

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描述
3A 380KHz 23V Buck DC to DC Converter

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XL1583E1 数据手册

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Datasheet

XL1583

3A 380KHz 23V Buck DC to DC Converter

Features

General Description

Wide 3.6V to 23V Input Voltage Range

Output Adjustable from 1.222V to 21V

The XL1583 is a 380KHz fixed frequency

PWM buck (step-down) DC/DC converter,

capable of driving a 3A load with high

efficiency, low ripple and excellent line and

load regulation. Requiring a minimum

number of external components, the regulator

is simple to use and include internal

Maximum Duty Cycle 100%

Minimum Drop Out 0.6V

Fixed 380KHz Switching Frequency

3A Constant Output Current Capability

Internal Optimize Power MOSFET

High efficiency

Excellent line and load regulation

TTL shutdown capability

frequency

compensation

and

fixed-frequency oscillator.

EN pin with hysteresis function

Built in thermal shutdown function

The PWM control circuit is able to adjust the

duty ratio linearly from 0 to 100%. An enable

function, an over current protection function

is built inside. When short protection function

happens, the operation frequency will be

reduced from 380KHz to 80KHz. An internal

compensation block is built in to minimize

external component count.

Built in current limit function

Built in output short protection function

Available in SOP8 package

Applications

LCD Monitor and LCD TV

Digital Photo Frame

Set-up Box

ADSL Modem

Telecom / Networking Equipment

Figure1. Package Type of XL1583

Rev 1.0

www.xlsemi.com

12 3 4 5 6 7...9

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