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Fairchild Semiconductor Electronic Components Datasheet

FAN2560 Datasheet

350mA Low-VIN LDO

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FAN2560 pdf
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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
FAN2560UC13X
FAN2560UC15X
Operating Temperature Range
Package
-40°C to 85°C
WLCSP-5 0.96 x 1.33mm
-40°C to 85°C
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


Fairchild Semiconductor Electronic Components Datasheet

FAN2560 Datasheet

350mA Low-VIN LDO

No Preview Available !

FAN2560 pdf
www.DataSheet4U.com
Block Diagram
Figure 3. IC Block Diagram
Pin Configuration
VIN A1 A3 VOUT
GND B2
VBAT C1 C3 EN
VOUT A3 A1 VIN
B2 GND
EN C3 C1 VBAT
TOP VIEW
BOTTOM VIEW
Figure 4. 0.96 x 1.33mm WLCSP package
Pin Definitions
Pin #
A1
A3
C1
C3
B2
Name
VIN
VOUT
VBAT
EN
GND
Description
Power supply input. A minimum 1μF MLCC is required to GND.
Output Voltage. A typical COUT=1μF to 2.2μF MLCC is required to GND, placed close to the
VOUT terminal.
Battery bias supply input. No capacitor is required unless another bulk capacitor is more than
few inches away.
Enable input. The device is in shutdown mode when the voltage at this pin is <0.4V and
enabled when >1.1V. The EN latches the LOW logic state once externally forced. Do not leave
this pin floating when the device is turned ON.
Ground pin. Connect to a PCB GND plane.
© 2006 Fairchild Semiconductor Corporation
FAN2560 • Rev. 1.0.0
2
www.fairchildsemi.com


Part Number FAN2560
Description 350mA Low-VIN LDO
Maker Fairchild Semiconductor
Total Page 12 Pages
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