SC1453-1.8ISKTR

更新时间： 2024-09-29 22:33:39

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器
页数	文件大小	规格书
5页	120K
描述
150mA Ultra Low Dropout Regulator with Low Noise Bypass

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中文翻译

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数据手册

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SC1453-1.8ISKTR 数据手册

SC1453

150mA Ultra Low Dropout

Regulator with Low Noise Bypass

PRELIMINARY

POWER MANAGEMENT

Description

Features

The SC1453 is a low dropout linear regulator that oper-

ates from a +2.5V to +6.5V input range and delivers up

to 150mA. A PMOS pass transistor allows the low 75µA

supply current to remain independent of load, making

these devices ideal for battery operated portable

equipment such as cellular phones, cordless phones and

personal digital assistants.

u 2982/5205 compatible pinout

u Guaranteed 150 mA output current

u Very small external components - designed to work

with ceramic capacitors

u Low 25µV_RMSoutput noise

u Very low supply current

u Thermal overload protection

u Reverse battery protection

u Low power shutdown

u Full industrial temperature range

u Surface mount packaging (5 pin SOT-23)

The SC1453 has a bandgap reference bypass pin for

very low noise operation - a 10nF (typ.) capacitor is

connected between this pin and ground. Other features

include low powered shutdown, short circuit protection,

thermal shutdown protection and reverse battery

protection. The SC1453 comes in the tiny 5 lead SOT-23

package.

Applications

u Battery Powered Systems

u Cellular Telephones

u Cordless Telephones

u Personal Digital Assistants

u Portable Instrumentation

u Modems

u PCMCIA cards

Typical Application Circuit

SC1453

VIN

VOUT

OUT

1uF

BYP

GND

10nF

Revision 2, December 2000

www.semtech.com

12 3 4 5

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