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TC1265-3.3VET

更新时间： 2024-11-21 22:14:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
16页	254K
描述
800 mA Fixed-Output CMOS LDO with Shutdown

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TC1265-3.3VET 数据手册

TC1265

800 mA Fixed-Output CMOS LDO with Shutdown

Features

Description

• Very Low Dropout Voltage

The TC1265 is a fixed-output, high-accuracy (typically

±0.5%) CMOS low dropout regulator. Designed

specifically for battery-operated systems, the TC1265’s

CMOS construction eliminates wasted ground current,

significantly extending battery life. Total supply current

is typically 80 µA at full load (20 to 60 times lower than

in bipolar regulators).

• 800 mA Output Current

• High Output Voltage Accuracy

• Standard or Custom Output Voltages

• Overcurrent and Overtemperature Protection

• SHDN Input for Active Power Management

• ERROR Output Can Be Used as a Low Battery

Detector (SOIC only)

Key features of the TC1265 include ultra low noise

operation, very low dropout voltage (typically 450 mV

at full load) and fast response to step changes in load.

Applications

The TC1265 incorporates both overtemperature and

overcurrent protection. The TC1265 is stable with an

output capacitor of only 1 µF and has a maximum

output current of 800 mA. It is available in 8-Pin SOIC,

5-Pin TO-220 and 5-Pin DDPAK packages.

• Battery-operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

• Cellular/GSM/PHS Phones

• Linear Post-Regulators for SMPS

• Pagers

Package Type

5-Pin TO-220

5-Pin DDPAK

Front View

Tab Is GND

Typical Application

TC1265

OUT

1 µF

TC1265

2 3 4 5

GND

SHDN

8-Pin SOIC

V_OUT

GND

V_IN

TC1265⁷

SHDN

ERROR

BYPASS

 2004 Microchip Technology Inc.

DS21376C-page 1

12 3 4 5 6 7...16

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