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TC1054-5.0VCT713 数据表(PDF) 1 Page - Microchip Technology

部件名 TC1054-5.0VCT713
功能描述  50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

TC1054-5.0VCT713 数据表(HTML) 1 Page - Microchip Technology

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 2002-2012 Microchip Technology Inc.
DS21350E-page 1
TC1054/TC1055/TC1186
Features
• Low Ground Current for Longer Battery Life
• Low Dropout Voltage
• Choice of 50 mA (TC1054), 100 mA (TC1055)
and 150 mA (TC1186) Output
• High Output Voltage Accuracy
• Standard or Custom Output Voltages:
- 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3.0V,
3.3V, 3.6V, 4.0V, 5.0V
• Power-Saving Shutdown Mode
• ERROR Output Can Be Used as a Low-Battery
Detector or Microcontroller-Reset Generator
• Overcurrent and Overtemperature Protection
• 5-Pin SOT-23 Package
• Pin-Compatible Upgrades for Bipolar Regulators
Applications
• Battery Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulators for SMPS
• Pagers
Typical Application
General Description
The TC1054, TC1055 and TC1186 are high accuracy
(typically ±0.5%) CMOS upgrades for older (bipolar)
low dropout regulators. Designed specifically for
battery-operated
systems,
the
devices’
CMOS
construction minimizes ground current, extending
battery life. Total supply current is typically 50 µA at full
load (20 to 60 times lower than in bipolar regulators).
The devices’ key features include low noise operation,
low dropout voltage – typically 85 mV (TC1054),
180 mV (TC1055) and 270 mV (TC1186) at full load —
and fast response to step changes in load. An error
output (ERROR) is asserted when the devices are
out-of-regulation (due to a low input voltage or
excessive output current). ERROR can be used as a
low battery warning or as a processor RESET signal
(with the addition of an external RC network). Supply
current is reduced to 0.5 µA (maximum), with both
VOUT and ERROR disabled when the shutdown input is
low. The devices incorporate both overtemperature
and over-current protection.
The TC1054, TC1055 and TC1186 are stable with an
output capacitor of only 1 µF, and have a maximum
output current of 50 mA, 100 mA and 150 mA,
respectively. For higher output current regulators,
please refer to the TC1173 (IOUT = 300 mA) data sheet
(DS21632).
Package Type
VOUT
GND
1µF
+
VIN
VIN
VOUT
1
5
2
4
3
SHDN
Shutdown Control
(from Power Control Logic)
ERROR
ERROR
1M
TC1054
TC1055
TC1186
Note:
5-Pin SOT-23 is equivalent to the EIAJ (SC-74A)
5
1
4
23
5-Pin SOT-23
TC1054
TC1055
TC1186
VOUT
ERROR
SHDN
GND
VIN
50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output


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