TC1263-2.5VET MICROCHIP [Microchip Technology], TC1263-2.5VET Datasheet

TC1263-2.5VET

Manufacturer Part Number

TC1263-2.5VET

Description

500 mA, Fixed-Output, CMOS LDO with Shutdown

Manufacturer

MICROCHIP [Microchip Technology]

Datasheet

1.TC1263-2.5VET.pdf (18 pages)

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Features

• Very Low Dropout Voltage

• 500 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

Applications

• Battery-Operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

• Cellular/GSM/PHS Phones

• Linear Post-Regulators for SMPS

• Pagers

Typical Application

Detector (SOIC only)

500 mA, Fixed-Output, CMOS LDO with Shutdown

GND

TC1263

SHDN

OUT

SHDN

1 µF

OUT

Description

The TC1263 is a fixed-output, high-accuracy (typically

±0.5%) CMOS low dropout regulator. Designed

specifically for battery-operated systems, the TC1263’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).

TC1263 key features include ultra low noise operation,

very low dropout voltage (typically 350 mV at full load)

and fast response to step changes in load.

The TC1263 incorporates both overtemperature and

overcurrent protection. The TC1263 is stable with an

output capacitor of only 1 µF and has a maximum

output current of 500 mA. It is available in 8-Pin SOIC,

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

Package Type

5-Pin DDPAK

1 2 3

Front View

TC1263

BYPASS

4 5

GND

OUT

Tab is GND

8-Pin SOIC

TC1263

5-Pin TO-220

1 2 3 4 5

TC1263

DS21374C-page 1

SHDN

ERROR

Tab is GND

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