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TC1014 Datasheet(PDF) 6 Page - TelCom Semiconductor, Inc

Part No. TC1014
Description  50mA CMOS LDO WITH SHUTDOWN AND REFERENCE BYPASS
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Maker  TELCOM [TelCom Semiconductor, Inc]
Homepage  http://www.telcom-semi.com
Logo TELCOM - TelCom Semiconductor, Inc

TC1014 Datasheet(HTML) 6 Page - TelCom Semiconductor, Inc

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TC1015
1
PRELIMINARY INFORMATION
TC1015-01-6/5/97
100mA CMOS LDO WITH SHUTDOWN
AND REFERENCE BYPASS
TC1015
FEATURES
s
Zero Ground Current for Longer Battery Life!
s
Very Low Dropout Voltage
s
Guaranteed 100mA Output
s
High Output Voltage Accuracy
s
Standard or Custom Output Voltages
s
Power-Saving Shutdown Mode
s
Reference Bypass Input for Ultra Low-Noise
Operation
s
Over-Current and Over-Temperature Protection
s
Space-Saving SOT-23A-5 Package
s
Pin Compatible Upgrade for MIC5205 and
NSC2980
APPLICATIONS
s
Battery Operated Systems
s
Portable Computers
s
Medical Instruments
s
Instrumentation
s
Cellular / GSM / PHS Phones
s
Linear Post-Regulator for SMPS
s
Pagers
100mA CMOS LDO WITH SHUTDOWN AND REFERENCE BYPASS
TYPICAL APPLICATION
TelCom Semiconductor reserves the right to make changes in the circuitry and specifications to its devices.
GENERAL DESCRIPTION
The TC1015 is a high accuracy (typically
±0.5%) CMOS
upgrade for older (bipolar) low dropout regulators such as
the LP2980. Designed specifically for battery-operated sys-
tems, the TC1015’s CMOS construction eliminates wasted
ground current, significantly extending battery life. Total
supply current is typically 50
µA at full load (20 to 60 times
lower than in bipolar regulators!).
TC1015 key features include ultra low-noise operation
(plus optional Bypass input); very low dropout voltage (typi-
cally 200mV at full load) and internal feed-forward compen-
sation for fast response to step changes in load. Supply
current is reduced to 0.05
µA and VOUT is disabled when the
shutdown input is low. The TC1015 also incorporates both
over-temperature and over-current protection.
The TC1015 is stable with an output capacitor of only
1
µF and has a maximum output current of 100mA. For
higher output versions, please see the TC1107, TC1108,
TC1173 (IOUT = 300mA) data sheets.
1
µF
470pF
Reference
Bypass Cap
(Optional)
Shutdown Control
(from Power Control Logic)
TC1015
VIN
1
2
34
5
VIN
VOUT
Bypass
SHDN
GND
VOUT
PIN CONFIGURATION
ORDERING INFORMATION
Output
Junction
Part No.
Voltage **(V) Package
Temp. Range
TC1015-2.5VCT
2.5
SOT-23A-5* – 40
°C to +125°C
TC1015-2.7VCT
2.7
SOT-23A-5* – 40
°C to +125°C
TC1015-3.0VCT
3.0
SOT-23A-5* – 40
°C to +125°C
TC1015-3.3VCT
3.3
SOT-23A-5* – 40
°C to +125°C
TC1015-5.0VCT
5.0
SOT-23A-5* – 40
°C to +125°C
NOTE: *SOT-23A-5 is equivalent to the EIAJ (SC-74A)
** Other output voltages available. Please contact TelCom
Semiconductor for details
NOTE: *SOT-23A-5 is equivalent to the EIAJ (SC-74A)
TC1015
(SOT-23A-5*)
TOP VIEW
1
3
4
5
2
SHDN
Bypass
GND
VOUT
VIN


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