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FAN1951D18X

更新时间： 2024-10-01 22:17:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器
页数	文件大小	规格书
11页	518K
描述
1.5A Low-Voltage Low-Dropout Regulator

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数据手册

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FAN1951D18X 数据手册

www.fairchildsemi.com

FAN1950/FAN1951

1.5A Low-Voltage Low-Dropout Regulator

Features

General Description

• 1.5A minimum guaranteed output current

• 500mV maximum dropout at 1.5A

Ideal for 2.5V to 1.8V or 1.65V conversion

Ideal for 3.0V to 2.5V conversion

• Current Limiting and Thermal shutdown

• External Shut-down control (FAN1951 only)

• Error ﬂag output (FAN1951 only)

• Fast transient response

The FAN1950 and FAN1951 are 1.5A low-dropout linear

regulators that provide a low voltage, high current output

with a minimum of external components. Both of these

devices use a PNP output pass element achieving a maxi-

mum 500mV dropout at 1.5A load current. In addition these

devices offer overcurrent limit and thermal shutdown

features to ensure full protection.

• Low ground current

The FAN1951 offers a logic level enable pin and an error

ﬂag output to indicate undervoltage and over-current condi-

tions. 1.8V and 2.5V ﬁxed output versions are available.

3.3V, 1.65V and 1.5V options are available upon request.

Applications

• General purpose conversion for low-voltage CPUs,

DSP and FPGAs

• SMPS post regulator

• Cable/Satellite set-top boxes

• PCI Graphics adapter cards

Typical Application

FAN1950-2.5V

FAN1951-1.8V

2.5V

10µF

3.0V

2.5V

1.8V

10µF

IN OUT

GND

100KΩ

Error Output

On/Off

FLAG

GND

REV. 0.1.6 8/30/04

12 3 4 5 6 7...11

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