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Will Semiconductor

WL2801E Datasheet Preview

WL2801E Datasheet

CMOS LDO

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WL2801E
Low noise, High PSRR, High speed, CMOS LDO
Descriptions
The WL2801E series is a high accuracy, low noise,
high speed, low dropout CMOS Linear regulator with
high ripple rejection. The devices offer a new level of
cost effective performance in cellular phones, laptop
and notebook computers, and other portable devices.
The current limiter's fold-back circuit also operates
as a short circuit protection and an output current
limiter at the output pin.
The WL2801E regulators are available in standard
SOT-23-5L packages. Standard products are Pb-free
and Halogen-free.
Features
z Input voltage
: 2.7V~5.5V
z Output range : 1.2V~3.3V
z Output current : 200mA (Up to 300mA Typ.)
z PSRR
: 75dB @ 217Hz
z Dropout voltage : 170mV @ IOUT=200mA
z Quiescent current : 70ȝA Typ.
z Shut-down current : < 0.1ȝA
z Recommend capacitor : 1uF
Applications
z MP3/MP4 Players
z Cellphones, radiophone, digital cameras
z Bluetooth, wireless handsets
z Others portable electronics device
WL2801E
Http://www.willsemi.com
SOT-23-5L
VOUT
NC
54
123
VIN GND EN
Pin Configuration (Top View)
****
For detail marking information, please see page 9.
Marking
Order Information
For detail order information, please see page 9.
Will Semiconductor Ltd.
1 Dec. 2011 – Rev.3.0




Will Semiconductor

WL2801E Datasheet Preview

WL2801E Datasheet

CMOS LDO

No Preview Available !

Typical Application
VIN
1uF
ON
OFF
15
2
34
VOUT
1uF
Pin Description
WL2801E
PIN Symbol Description
1 VIN Input
2 GND Ground
3 EN Enable (Active high)
4 NC Not connected
5 VOUT Output
Block Diagram
Will Semiconductor Ltd.
2 Dec. 2011 – Rev.3.0


Part Number WL2801E
Description CMOS LDO
Maker Will Semiconductor
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WL2801E Datasheet PDF






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