FAN1538PBX

更新时间： 2024-11-22 22:13:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器调节器软启动输出元件
页数	文件大小	规格书
6页	77K
描述
Dual Channel 1A Low Dropout Linear Regulator with UVLO and Soft-start

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FAN1538PBX 数据手册

www.fairchildsemi.com

FAN1538

Dual Channel 1A Low Dropout

Linear Regulator with UVLO and Soft-start

Features

General Description

• Two independent outputs

The FAN1538 provides two output voltages: a ﬁxed 3.3V

ouput and either a ﬁxed 2.5V or adjustable output with 1A

output current capability. Refer to Ordering Information for

details.

• Load regulation: 0.05% typical

• Under-voltage lockout and softstart

• Over Temperature protection

• T0-252 DPAK, 5-lead SPAK packages

• Fixed 3.3V and adjustable or ﬁxed 2.5V output

Current limit protects against short circuit currents and on

chip over temperature circuitry limits the maximum die tem-

perature.

Applications

• Hard Disk Drives, CD-Roms

• Set-top Boxes

• ADSL line cards

Under voltage lockout and softstart circuitry protects against

unregulated output voltages when the input voltage is below

speciﬁcation.

• Motherboards with multiple supplies

Block Diagram

FAN1538A

3.3V at 1.0A

2.5V at 1.0A

VIN = 5V

22µF

V_IN

GND

22µF

FAN1538B

3.3V at1.0A

VIN = 5V

22µF

1.5V at1.0A

250

GND

22µF

1250

V2 = VREF (1 + R1/R2)

REV. 1.0.2 12/17/03

12 3 4 5 6

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FAN1538PBX 替代型号

型号	品牌	替代类型	描述	数据表
ST2L01K5R	STMICROELECTRONICS	功能相似	DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PSSO5, POWER FLEX SPAK-5
LX8816-04CDF	MICROSEMI	功能相似	Dual Channel 1A Low Dropout Regulator

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