Datasheet > 3563

3563

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
10页	163K
描述
LINEAR INTEGRATED CIRCUIT

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3563 数据手册

UTC 3563

LINEAR INTEGRATED CIRCUIT

HIGH-EFFICIENCY DC/DC

CONVERTER

DESCRIPTION

The UTC 3563 is a monolithic control circuit

containing the primary functions required for DC to DC

converters and highside-sensed constant current

source. The device consists of an internal temperature

compensated reference, comparator, controlled duty

cycle oscillator with an active current sense circuit,

bootstrapped driver, and high current output switch.

This device is specifically designed to construct a

constant current source for battery chargers with a

SOP-8

DIP-8

minimum

number

external

components.

Bootstrapped driver can drive the NPN output switch

to saturation for higher efficiency and less heat

dissipation. The UTC 3563 can deliver 1.5A

continuous current without requiring a heat sink.

FEATURES

APPLICATIONS

*3V to 30V input voltage operation.

*Internal 2A peak current switch.

*1.5A continuous output current.

*Bootstrapped driver.

*Constant current source for battery chargers.

*Saver for cellular phones.

*Step-Down DC-DC converter module.

*High side current sense capability.

*High efficiency (up to 90%)

*Internal ±2% reference.

*Low quiescent current at 1.6mA.

*Frequency operation from 100Hz to 100KHz.

PIN CONFIGURATION

BOOST

VCC

GND

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R103-013,B

12 3 4 5 6 7...10

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