GM6251-1.8_ Просмотр технического описания (PDF) - Gamma Microelectronics Inc.

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GM6251-1.8_

250mA ULTRA-LOW DROPOUT POSITIVE VOLTAGE REGULATOR

Gamma Microelectronics Inc. 

Description

GM6251 combines high accuracy with very low power con-

sumption, and provides high output current even when the

application requires extremely low input-output voltage dif-

ferential.

GM6251 includes a precision voltage reference, an error

correction circuit, over-temperature protection, and a cur-

rent limited output driver. Fast transient response to load

variations provides excellent stability under dynamic load

conditions.

GM6251 comes in SOT-25 (150mW), SOT-89 (500mW)

and TO-92 packages.

Features

Maximum output current 250mA (within

maximum power dissipation)

Output voltage: from 1.8 V to 6.0V in 0.1V

increments

Output voltage ±2%

CMOS low power consumption, typically

1.0µA at VOUT = 5.0V

Input stability typically 0.2%/ V

Ultra-low dropout voltage 0.38V @ IOUT =

200mA at VOUT = 5.0V

Small input/ output differential:

0.4V at 160mA (VOUT = 3.3V)

SOT-25 (150mW), SOT-89 (500mW) and

TO-92 packages

Application

Palmtops

Portable Cameras

Video Recorders

TYPICAL APPLICATION CIRCUITS

Battery Powered Equipment

Reference Voltage Sources

GM6251

VIN

VOUT

VIN

+

CIN

VSS

+

CL

RL

1µF

1µF

(Tantalum)

(Tantalum)

www.gammamicro.com 1

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