Datasheet > TC1054

TC1054

更新时间： 2024-09-18 22:42:27

品牌	Logo	应用领域
TELCOM		输出元件
页数	文件大小	规格书
12页	125K
描述
50mA CMOS LDO WITH SHUTDOWN AND ERROR OUTPUT

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TC1054 数据手册

50mA CMOS LDO WITH SHUTDOWN

AND ERROR OUTPUT

PRELIMINARY INFORMATION

TC1054

50mA CMOS LDO WITH SHUTDOWN AND ERROR OUTPUT

GENERAL DESCRIPTION

FEATURES

TheTC1054isahighaccuracy(typically±0.5%)CMOS

upgrade for older (bipolar) low dropout regulators. De-

signed specifically for battery-operated systems, the

TC1054’s CMOS construction eliminates wasted ground

current, significantly extending battery life. Total supply

current is typically 50µA at full load (20 to 60 times lower

than in bipolar regulators!).

TC1054 key features include ultra low noise operation,

very low dropout voltage (typically 100mV at full load) and

internal feed-forward compensation for fast response to

step changes in load. An error output (ERROR) is asserted

when the TC1054 is 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

(withtheadditionofanexternalRCnetwork).Supplycurrent

is reduced to less than 1µA, and both V_OUTand ERROR

are disabled when the shutdown input is low. The TC1054

incorporates both over-temperature and over-current pro-

tection.

■ 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

■ ERROR Output can be Used as a Low Battery

Detector, or Processor Reset Generator

■ Over-Current and Over-Temperature Protection

■ Space-Saving SOT-23A-5 Package

■ Pin Compatible Upgrades for Bipolar Regulators

APPLICATIONS

■ Battery Operated Systems

■ Portable Computers

■ Medical Instruments

■ Instrumentation

■ Cellular/GSMS/PHS Phones

■ Linear Post-Regulators for SMPS

■ Pagers

The TC1054 is stable with an output capacitor of only

1µF and has a maximum output current of 50mA. For higher

output current regulators, please see the TC1055

(I_OUT= 100mA) regulator and TC1107, TC1108 (I_OUT

300mA) data sheets.

ORDERING INFORMATION

Output

Junction

Part No.

Voltage **(V) Package

Temp. Range

TYPICAL APPLICATION

TC1054-2.5VCT

TC1054-2.7VCT

TC1054-3.0VCT

TC1054-3.3VCT

TC1054-5.0VCT

2.5

2.7

3.0

3.3

5.0

SOT-23A-5* – 40°C to +125°C

OUT

1µF

NOTE: *SOT-23A-5 is equivalent to the EIAJ (SC-74A)

** Other output voltages available. Please contact TelCom

Semiconductor for details

GND

TC1054

PIN CONFIGURATION

V_OUT

ERROR

SHDN

ERROR

TC1054

(SOT-23A-5*)

TOP VIEW

V_IN

GND SHDN

Shutdown Control

(from Power Control Logic)

NOTE: *SOT-23A-5 is equivalent to the EIAJ (SC-74A)

TC1054-01 6/12/97

TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices

12 3 4 5 6 7...12

中文翻译

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与TC1054相关器件

型号	品牌	获取价格	描述	数据表
TC1054_07	MICROCHIP	获取价格	50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output
TC1054_12	MICROCHIP	获取价格	50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output
TC1054-1.8VCT	MICROCHIP	获取价格	50mA, 100mA and 150mA CMOS LDOs with Shutdown and ERROR Output
TC1054-1.8VCT713	MICROCHIP	获取价格	50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output
TC1054-1.8VCTTR	MICROCHIP	获取价格	1.8 V FIXED POSITIVE LDO REGULATOR, 0.12 V DROPOUT, PDSO5, SC-74A, SOT-23A, 5 PIN
TC1054-2.5VCHTR	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.12V Dropout, CMOS, PDSO5, SOT-23A, 5 PIN
TC1054-2.5VCT	TELCOM	获取价格	50mA CMOS LDO WITH SHUTDOWN AND ERROR OUTPUT
TC1054-2.5VCT	MICROCHIP	获取价格	50mA, 100mA and 150mA CMOS LDOs with Shutdown and ERROR Output
TC1054-2.5VCT713	MICROCHIP	获取价格	50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output
TC1054-2.6VCT713	MICROCHIP	获取价格	50 mA, 100 mA and 150 mA CMOS LDOs with Shutdown and ERROR Output

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