TC1187VCTTR

更新时间： 2024-11-13 12:58:55

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美国微芯 - MICROCHIP		/
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TC1187VCTTR 数据手册

TC1070/TC1071/TC1187

50mA, 100mA and 150mA Adjustable CMOS LDOs with Shutdown

Features:

General Description:

• 50 µA Ground Current for Longer Battery Life

• Adjustable Output Voltage

The TC1070, TC1071 and TC1187 are adjustable

LDOs designed to supersede a variety of older (bipolar)

voltage regulators. Total supply current is typically

50 μA at full load (20 to 60 times lower than in bipolar

regulators).

• Very Low Dropout Voltage

• Choice of 50 mA (TC1070), 100 mA (TC1071)

and 150 mA (TC1187) Output

The devices’ key features include ultra low-noise

operation, very low dropout voltage – typically 85 mV

(TC1070); 180 mV (TC1071); and 270 mV (TC1187) at

full load, and fast response to step changes in load.

Supply current is reduced to 0.5 μA (maximum) when

the shutdown input is low. The devices incorporate both

over-temperature and over-current protection. Output

voltage is programmed with a simple resistor divider

from V_OUTto ADJ to GND.

• Power-Saving Shutdown Mode

• Over Current and Over Temperature Protection

• Space-Saving 5-Pin SOT-23 Package

• Pin Compatible with Bipolar Regulators

Applications:

• Battery Operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

The TC1070, TC1071 and TC1187 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 versions, please see the

TC1174 (I_OUT= 300 mA) data sheet.

• Cellular/GSM/PHS Phones

• Linear Post-Regulators for SMPS

• Pagers

Typical Application

Package Type

5-Pin SOT-23

OUT

V_OUT

ADJ

TC1070

TC1071

TC1187

1 µF

GND

TC1070

TC1071

TC1187

ADJ

SHDN

V_IN

GND SHDN

= V

REF

OUT

[_R2]

Shutdown Control

(from Power Control Logic)

DS21353D-page 1

12 3 4 5 6 7...20

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