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FAN2560
(Rev.:2008)

350mA Low-VIN LDO with Fast Transient Response

Fairchild Semiconductor 

February 2008

FAN2560

350mA Low-VIN LDO with Fast Transient Response

Features

ƒ 55µA Typical Quiescent Current

ƒ Up to 350mA Output Current

ƒ 2.9V to 5.5V Bias Supply Voltage

ƒ VOUT+0.1V to 5.5V Power Input Supply Voltage

ƒ Fixed Voltage Options: 1.3V and 1.5V

ƒ Thermal Shutdown Protection (TSD)

ƒ Input Under-Voltage Lockout (UVLO)

ƒ Short-Circuit Current Protection (SCP)

ƒ 5-bump 0.96 x 1.33mm WLCSP

Applications

ƒ Moderate Current Digital Loads

ƒ DVB-H, DMB Processors

ƒ Handsets, Smartphones

ƒ WLAN DC-DC Converter Modules

ƒ PDA, DSC, PMP, and MP3 Players

ƒ Portable Hard Disk Drives

Description

The FAN2560 is a linear low-dropout (LDO) regulator

with a split-supply architecture. Separate bias and

supply inputs allow bias to be taken directly from the

battery, while the input is taken from a lower pre-

regulated source. This allows a smaller differential

voltage between input and output, which provides

greater efficiency over a wider VBAT range.

The FAN2560 is available in a fixed-voltage output,

5-bump, WLCSP package.

Typical Applications

2.9 to 5.5V

VOUT +0.3V

CIN

1F

VBAT

VIN

GND

EN

FAN2560

VOUT

COUT

2.2 F

2.9 to 5.5V

CIN

1μF

VBAT

VIN

GND

EN

FAN2560

VOUT

COUT

2.2μF

Figure 1. Separate Supply and Bias Line

Figure 2. Connected Supply and Bias Line

Ordering Information

Part Number Operating Temperature Range

Package

FAN2560UC13X

FAN2560UC15X

-40°C to 85°C

-40°C to 85°C

WLCSP-5 0.96 x 1.33mm

WLCSP-5 0.96 x 1.33mm

All packages are lead free per JEDEC: J-STD-020B standard.

© 2006 Fairchild Semiconductor Corporation

FAN2560 • Rev. 1.0.0

Packing Method

Tape and Reel

Tape and Reel

www.fairchildsemi.com

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