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TC1014-3.0VCT Datasheet

  • TC1014-3.0VCT

  • 50mA CMOS LDO WITH SHUTDOWN AND REFERENCE BYPASS

  • 10頁(yè)

  • TELCOM

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50mA CMOS LDO WITH SHUTDOWN
AND REFERENCE BYPASS
PRELIMINARY INFORMATION
TC1014
TC1014
50mA CMOS LDO WITH SHUTDOWN AND REFERENCE BYPASS
FEATURES
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Zero Ground Current for Longer Battery Life!
Very Low Dropout Voltage
Guaranteed 50mA Output
High Output Voltage Accuracy
Standard or Custom Output Voltages
Power-Saving Shutdown Mode
Reference Bypass Input for Ultra Low-Noise
Operation
Over-Current and Over-Temperature Protection
Space-Saving SOT-23A-5 Package
Pin Compatible Upgrade for MIC5205 and
NSC2980
GENERAL DESCRIPTION
The TC1014 is a high accuracy (typically
鹵0.5%)
CMOS
upgrade for older (bipolar) low dropout regulators such as
the LP2980. Designed specifically for battery-operated sys-
tems, the TC1014鈥檚 CMOS construction eliminates wasted
ground current, significantly extending battery life. Total
supply current is typically 50碌A(chǔ) at full load (20
to 60 times
lower than in bipolar regulators!).
TC1014 key features include ultra low-noise operation
(plus optional Bypass input); very low dropout voltage
(typically 95mV at full load) and internal feed-forward com-
pensation for fast response to step changes in load. Supply
current is reduced to less than 1碌A(chǔ) when the shutdown input
is low. The TC1014 also incorporates both over-tempera-
ture and over-current protection.
The TC1014 is stable with an output capacitor of only
1碌F and has a maximum output current of 100mA. For
higher output versions, please see the TC1107, TC1108,
TC1173 (I
OUT
= 300mA) data sheets.
APPLICATIONS
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Battery Operated Systems
Portable Computers
Medical Instruments
Instrumentation
Cellular / GSM / PHS Phones
Linear Post-Regulator for SMPS
Pagers
ORDERING INFORMATION
Part No.
Output
Voltage **(V) Package
2.5
2.7
3.0
3.3
5.0
Junction
Temp. Range
TC1014-2.5VCT
SOT-23A-5* 鈥?40擄C to +125擄C
SOT-23A-5* 鈥?40擄C to +125擄C
SOT-23A-5* 鈥?40擄C to +125擄C
SOT-23A-5* 鈥?40擄C to +125擄C
SOT-23A-5* 鈥?40擄C to +125擄C
TYPICAL APPLICATION
TC1014-2.7VCT
TC1014-3.0VCT
TC1014-3.3VCT
TC1014-5.0VCT
V
IN
1
V
IN
V
OUT
5
1碌F
V
OUT
NOTE:
*SOT-23A-5 is equivalent to the EIAJ (SC-74A)
** Other output voltages available. Please contact TelCom
Semiconductor for details
2
GND
TC1014
PIN CONFIGURATION
V
OUT
Bypass
4
3
SHDN
Bypass
4
470pF
Reference
Bypass Cap
(Optional)
5
TC1014
(SOT-23A-5*)
1
2
3
TOP VIEW
Shutdown Control
(from Power Control Logic)
V
IN
GND SHDN
NOTE:
*SOT-23A-5 is equivalent to the EIAJ (SC-74A)
TC1014-01-6/5/97
TelCom Semiconductor reserves the right to make changes in the circuitry and
1
specifications to its devices.

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