Datasheet > GM6655-AST25RG

GM6655-AST25RG

更新时间： 2024-11-02 12:02:47

品牌	Logo	应用领域
GAMMA		稳压器
页数	文件大小	规格书
7页	118K
描述
600mA LOW DROPOUT CMOS VOLTAGE REGULATOR WITH ENABLE FUNCTION

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GM6655-AST25RG 数据手册

GM6655

600mA LOW DROPOUT CMOS VOLTAGE

REGULATOR WITH ENABLE FUNCTION

Description

Features

The GM6655 series is a low-dropout linear regulator.

This series is specially designed for battery-operated

systems. The ground current is very low (50µA Typ),

that significantly extending battery life. Low power

consumption and high accuracy is achieved through

CMOS and programmable fuse technologies with the

output voltage range from 1.5V to 6.0V.

Maximum output current up 600mA

Highly accurate output voltage:

±1.5%

Low power consumption

On-chip protections: Thermal, and

Short Circuit

The GM6655 consists of a high-precision voltage

reference, an error correction circuit, and a current

limited output driver. With good transient responses,

output remains stable even during load changes. The

SHDN input enables the output to be turned off,

resulting in reduced power consumption.

Small input/output differential:

600mV at 600mA

Also, the GM6655 having high ripple rejection ratios,

the series can be used with power supply noise. A

470pF capacitor from the bypass input to ground

reduces noise present on the internal reference, which

in turn significantly reduces output noise. If output

noise is not a concern, this input may be left

unconnected. Larger capacitor values C_bpbe used, but

results in a longer time period to rated output voltage

when power is initially applied.

The GM6655 incorporates both over-temperature and

over-current protection.

Application

Battery Operated Systems

Portable Computers

Reference Voltage Sources

Instruments

Pagers

Portable Caremas and Video Recorders

Typical Application Circuits

GM6655-x.x

GM6655-Adj

V_{OUT =}V_REF(1+ R2/R1)

V_OUT

_OUT= 1µF

V_IN

C_OUT= 1µF

Enable

Adj

Shutdown

C_BP

Figure 2. Adjustable output version

Figure 1 Fixed output version

Note: EN (Pin 3) maybe connected directly to V_IN(Pin1)

12 3 4 5 6 7

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