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TC1263-3.0VAT Datasheet(Fiches technique) 1 Page - Microchip Technology

Numéro de pièce TC1263-3.0VAT
Description  500 mA, Fixed-Output, CMOS LDO with Shutdown
Télécharger  18 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
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 2002-2012 Microchip Technology Inc.
DS21374D-page 1
TC1263
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
Detector (SOIC only)
Applications
• Battery-Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulators for SMPS
• Pagers
Typical Application
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
TC1263
VIN
VOUT
C1
1µF
GND
VOUT
VIN
SHDN
SHDN
+
Front View
12
3
Tab is GND
TC1263
1
2
3
4
8
7
6
5
TC1263
NC
SHDN
8-Pin SOIC
GND
NC
BYPASS
VOUT
VIN
TC1263
5-Pin TO-220
Tab is GND
5-Pin DDPAK
12 3 45
4 5
ERROR
500 mA, Fixed-Output, CMOS LDO with Shutdown




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