Datasheet > SC1453EVB

SC1453EVB

更新时间： 2024-11-16 04:05:31

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器
页数	文件大小	规格书
14页	245K
描述
150mA Ultra Low Dropout Regulator with Low Noise Bypass

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SC1453EVB 数据手册

SC1453

150mA Ultra Low Dropout

Regulator with Low Noise Bypass

POWER MANAGEMENT

Description

Features

The SC1453 is a low dropout linear regulator that

operates from a +2.25V 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.

“2982/5205” compatible pinout

Guaranteed 150 mA output current

2% output accuracy guaranteed over line, load and

temperature

Very small external components - designed to work

with ceramic capacitors

Low 26µV_RMSoutput noise

(1.5V option, C_IN= C_OUT= 1µF, C_BYP= 10nF)

Very low supply current

Thermal overload protection

Reverse battery protection

The SC1453 has a bandgap reference bypass pin for

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

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 and the ultra-low profile 5 lead TSOT-23.

Low power shutdown

Full industrial temperature range

Very low profile packaging available (1mm max. height)

Surface mount packaging (5 pin SOT-23 and

TSOT-23)

Available in Lead-free packages, fully WEEE and RoHS

compliant

Applications

Battery Powered Systems

Cellular Telephones

Cordless Telephones

Personal Digital Assistants

Portable Instrumentation

Modems

PCMCIA cards

Typical Application Circuit

SC1453

VIN

VOUT

OUT

1uF

BYP

GND

1uF

10nF

Revision: August 24, 2006

www.semtech.com

12 3 4 5 6 7...14

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