Datasheet > TC1268-2.5VOA

TC1268-2.5VOA

更新时间： 2024-09-23 21:55:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		调节器光电二极管输出元件
页数	文件大小	规格书
12页	449K
描述
500mA Fixed Output, Fast Response CMOS LDO with Shutdown

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TC1268-2.5VOA 数据手册

TC1268

500mA Fixed Output, Fast Response CMOS LDO with Shutdown

Features

General Description

• Very Low Dropout Voltage

The TC1268 is a fixed output, fast turn-on, high

accuracy (typically ±0.5%) CMOS low dropout

regulator. Designed specifically for battery-operated

systems, the TC1268’s CMOS construction eliminates

wasted ground current, significantly extending battery

life. Total supply current is typically 80µA at full load (20

to 60 times lower than in bipolar regulators).

• 500mA Output Current

• High Output Voltage Accuracy

• Standard or Custom Output Voltages

• Over Current and Over Temperature Protection

• SHDN Input for Active Power Management

• ERROR Output to Detect Low Battery

• 5µsec (typical) Wake-up Time from SHDN

TC1268’s key features include ultra low noise, very low

dropout voltage (typically 350mV at full load), and

fast response to step changes in load. The TC1268

also has a fast wake-up response time (5µsec typically)

when released from shutdown. The TC1268

incorporates both over temperature and over current

protection. The TC1268 is stable with an output

capacitor of only 1µF and has a maximum output

current of 500mA.

Applications

• RAMBUS Memory Module

• Battery-Operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

Typical Application

• Cellular/GSM/PHS Phones

• Linear Post-Regulator for SMPS

• Pagers

OUT

1µF

OUT

• Digital Cameras

TC1268

Device Selection Table

GND

SHDN

Output*

Junction

Temp. Range

Part Number Voltage Package

(V)

TC1268-2.5VOA

2.5

8-Pin SOIC -40°C to +125°C

*Other output voltages and package options are available.

Please contact Microchip Technology Inc. for details.

Package Type

8-Pin SOIC

OUT

GND

TC1268

SHDN

BYPASS

ERROR

2002 Microchip Technology Inc.

DS21379B-page 1

12 3 4 5 6 7...12

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