TC-1189 datasheet(1/16 Pages) MICROCHIP

Nome de Peças	TC-1189

Descrição Electrónicos	MAX8863/64 Pin Compatible, Low Dropout, 120 mA Linear Regulators

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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 2002 Microchip Technology Inc.

DS21364B-page 1

M

TC1188/TC1189

Features

• Input Voltage Range: 2.7 V to 6.0 V

• 120 mA Output Current

• Low Supply Current: 50 µA, (typical)

• Low Dropout Voltage: 110 mV, (typical at 100 mA)

• Fast Turn-On from Shutdown: 140 µsec (typical)

• Low Output Noise

• Over-Current and Over-Temperature Protection

• Low Power Shutdown Mode

• Auto Discharge of Output Capacitor (TC1189)

Applications

• Battery Powered Systems

• Portable Computers

• Medical Instruments

• Cellular, Cordless Phones

•PDAs

• Pagers

Package Type

General Description

The TC1188 and TC1189 are fixed output, low dropout

linear regulators that operate from a 2.7V to 6.0V input

voltage source. The output is capable of delivering up

to 120 mA while consuming only 50 µA of quiescent

current. The low dropout voltage, 120 mV, make the

TC1188 and TC1189 good choices for battery powered

applications. Integrated over-current and over-temper-

ature protection features provide for a fault tolerant

solution.

The TC1189 includes an output voltage auto discharge

feature. When shutdown, the TC1189 will automatically

discharge the output voltage using an internal N-Chan-

nel MOSFET switch.

Fixed output voltage options for the TC1188/TC1189

are: 1.80V, 2.80V, 2.84V and 3.15V. Both the TC1188

and TC1189 are available in SOT23-5 packages.

Typical Application Circuit

GND

SHDN GND

5

1

4

2

3

TC1188

TC1189

5-Pin SOT-23A

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

VIN

VOUT

VIN

Output

GND

SHDN

TC1188

TC1189

+

1µF

–

COUT

GND

Voltage

1µF

CIN

Battery

MAX8863/64 Pin Compatible, Low Dropout,

120 mA Linear Regulators

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