FAN1540MPMX

更新时间： 2024-11-19 13:07:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
15页	577K
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FAN1540MPMX 数据手册

November 2005

FAN1539/FAN1540

1A/1.3A, LDO with Low Quiescent Current

Features

Description

■ Very Low Ground Current (I

■ Excellent Line Regulation

■ Excellent Load Regulation

= 1mA)

The FAN1539/FAN1540 series of high current LDOs

(1.0A and 1.3A) has been developed for portable appli-

cations where low quiescent current is an important

requirement. The device features excellent line and load

transient response which does not exceed 10% of nomi-

nal output value for full operating temperature range

even during power ON cycle and short circuit removal.

Internally trimmed, temperature compensated bandgap

reference guarantees 2.5% accuracy for full range of

input voltage, output current and temperature. Included

on the chip are accurate current limit and thermal shut-

down protection. Device stability is achieved with only

two external low ESR ceramic capacitors.

GND

■ Very Low Transient Overshoot

■ Stable with low ESR Output Capacitor (ESR = 0mΩ)

■ Thermal Shutdown

■ Current Limit

■ Output Options: 3.3V and 1.8V

Applications

■ Disk Drive Circuits

The FAN1539/FAN1540 is available in thermally

enhanced 3x3mm 6-lead MLP, 5x6mm 8-lead MLP and

3-lead TO-252 packages. The 5x6mm MLP package ver-

sion features a separate Kelvin sense pin for high preci-

sion applications.

■ Desktop Computers

■ Laptop, Notebook Computers

■ General Purpose Three Terminal Regulator

Ordering Information

Product Number

FAN1540MMPX

FAN1539MPX

FAN1540MPX

FAN1540DX

Output Voltage

Package

3.3V

1.8V

5x6mm 8-Lead MLP in T&R

3x3mm 6-Lead MLP in T&R

3-Lead TO-252 in T&R

FAN1540D18X

Tape and Reel Information

Quantity

Reel Size

Width

3000

8mm

www.fairchildsemi.com

FAN1539/FAN1540 Rev. 1.1.1

12 3 4 5 6 7...15

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