TC55 데이터 시트보기 (PDF) - TelCom Semiconductor, Inc
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TC55 Datasheet PDF : 3 Pages
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TC55 Series
LOW DROPOUT POSITIVE VOLTAGE REGULATOR
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FEATURES
GENERAL DESCRIPTION
s Very Low Dropout Voltage .... 120mV typ at 100mA
380mV typ at 200mA
s High Output Current .............. 250mA (VOUT = 5.0V)
s High Accuracy Output Voltage ........................ ± 2%
(± 1% Semicustom Version)
s Wide Output Voltage Range .................... 2.1V-6.0V
s Low Power Consumption ................... 1.1µA (Typ.)
s Low Temperature Drift ................... ± 100ppm/°C Typ
s Excellent Line Regulation ..................... 0.2%/V Typ
s Package Options ....................................SOT-23A-3
SOT-89-3
TO-92
s Short Circuit Protected
s Standard 3.0V, 3.3V and 5.0V Output Voltages
s Custom Voltages Available from 2.1V to 6.0V in
0.1V Steps.
APPLICATIONS
s Battery-Powered Devices
s Cameras and Portable Video Equipment
s Pagers and Cellular Phones
s Solar-Powered Instruments
s Consumer Products
The TC55 Series is a collection of CMOS low dropout
positive voltage regulators which can source up to 250mA of
current with an extremely low input-output voltage differen-
tial of 380mV.
The low dropout voltage combined with the low current
consumption of only 1.1µA makes this part ideal for battery
operation. The low voltage differential (dropout voltage)
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extends battery operating lifetime. It also permits high cur-
rents in small packages when operated with minimum VIN –
VOUT differentials.
The circuit also incorporates short-circuit protection to
ensure maximum reliability.
PIN CONFIGURATIONS
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*SOT-23A-3
VIN
2
SOT-89-3
TO-92
1 23
TC55
1
GND
3
VOUT
TC55
1
2
3
GND VIN VOUT
TC55
5
*SOT-23A-3 is equivalent to EIAJ (SC-59)
FUNCTIONAL BLOCK DIAGRAM
VIN
Short-circuit
Protection
Voltage
Reference
GND
TELCOM SEMICONDUCTOR, INC.
ORDERING INFORMATION
6 PART CODE TC55 RP XX X X X XX XXX
Output Voltage:
VOUT
Ex: 21= 2.1V; 60 = 6.0V
Extra Feature Code: Fixed: 0
Tolerance:
1 = ±1.0% (Custom)
2 = ±2.0% (Standard)
Temperature: E: – 40°C to +85°C
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Package Type and Pin Count:
CB: SOT-23A-3 (Equivalent to EIAJ (SC-59))
MB: SOT-89-3
ZB: TO-92-3
Taping Direction:
Standard Taping
Reverse Taping
No suffix: TO-92 Bulk
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TC55-20 11/8/96
4-127
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