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TC55 Datasheet(PDF) 1 Page - Microchip Technology

Part # TC55
Description  1 關A Low Dropout Positive Voltage Regulator
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC55 Datasheet(HTML) 1 Page - Microchip Technology

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© 2005 Microchip Technology Inc.
DS21435F-page 1
TC55
Features
• Low Dropout Voltage: 120 mV (typ) at 100 mA,
380 mV (typ) at 200 mA
• High Output Current: 250 mA (VOUT = 5.0V)
• High Accuracy Output Voltage: ±2% (max)
(±1% Semi-Custom Version)
• Low Power Consumption: 1.1 µA (typ)
• Low Temperature Drift: ±100 ppm/°C (typ)
• Excellent Line Regulation: 0.2%/V (typ)
• Package Options: 3-Pin SOT-23A, 3-Pin SOT-89
and 3-Pin TO-92
• Short-Circuit Protection
• Standard Output Voltage Options: 1.2V, 1.8V,
2.5V, 3.0V, 3.3V, 5.0V
Applications
• Battery-Powered Devices
• Cameras and Portable Video Equipment
• Pagers and Cellular Phones
• Solar Powered Instruments
• Consumer Products
Package Types
General Description
The TC55 Series is a collection of CMOS low dropout,
positive voltage regulators that can source up to
250 mA of current, with an extremely low input-output
voltage differential of 380 mV (typ) at 200 mA.
The TC55’s low dropout voltage, combined with the low
current consumption of only 1.1 µA (typ), makes it ideal
for battery operation. The low voltage differential (drop-
out voltage) extends the battery operating lifetime. It
also permits high currents in small packages when
operated with minimum VIN – VOUT differentials.
The circuit also incorporates short-circuit protection to
ensure maximum reliability.
Functional Block Diagram
VIN
GND
VOUT
3
12
TC55
GND VIN VOUT
12
3
TC55
3-Pin SOT-23A
3-Pin SOT-89
3-Pin TO-92
12 3
VOUT
VIN
GND
Note: 3-Pin SOT-23A is equivalent to the
EIAJ SC-59.
VIN
Bottom
View
VIN
VOUT
GND
Short-Circuit
Protection
Voltage
Reference
1 µA Low Dropout Positive Voltage Regulator
Obsolete Device


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