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Will Semiconductor

WL2803D Datasheet Preview

WL2803D Datasheet

CMOS LDO

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WL2803D
Ultra low dropout, 800mA, CMOS LDO
WL2803D
Http://www.sh-willsemi.com
Descriptions
The WL2803D series are ultra low dropout, Low
quiescent current, high PSRR CMOS LDO.
Using CMOS construction, the quiescent current
consumed by the WL2803D is typically 150uA over the
entire input voltage range, making it attractive for
consumer, networking applications that demand high
output current. The WL2803D series are available in
wide output voltage range version from 1.2V to 3.3V.
DFN2X2-6L
The WL2803D series offer thermal shutdown (OTP)
and current limit functions, to assure the stability of
chip and power system at wrong condition, and it uses
trimming technique to guarantee output voltage
accuracy within ±2%.
EN 1
GND 2
VIN 3
GND
6 NC
5 NC
4 VOUT
The WL2803D regulators are available in DFN2X2-6L
packages. Standard products are Pb-free and
Halogen-free.
Pin Configuration (Top View)
Features
Input voltage
: 2.5V~5.5V
Output voltage : 3.0V
Output current : 800mA
PSRR
: 65dB @ 1KHz
Dropout voltage : 130mV @ IOUT=0.5A
Output noise
: 100uV
Quiescent current : 150μA Typ.
Applications
LCD TV
STB
Computer, Graphic card
Network communication equipments
Others portable electronics devices
2803
**YW
2803 = Device code
** = Voltage code (30: 3.0V)
Y = Year code
W = Week code
Marking
Order Information
For detail information, Please refer to page 9.
Will Semiconductor Ltd.
1 Jun. 2014 Rev1.0




Will Semiconductor

WL2803D Datasheet Preview

WL2803D Datasheet

CMOS LDO

No Preview Available !

Typical Application
VIN
CIN
EN
ON
OFF
34
2
1
WL2803
VOUT
COUT
CIN
COUT
Min.
2.2uF
1uF
Typ.
4.7uF
4.7uF
Max.
Pin Description
WL2803D
PIN Symbol Description
1 EN Enable, Active High
2 GND Ground
3 VIN Input
4 VOUT Output
5,6 NC Not connect
Block Diagram
VIN VOUT
Current
Limit
OCP
VREF
EN
Enable
Control
5MΩ
OTP
Will Semiconductor Ltd.
GND
2
Jun. 2014 Rev1.0


Part Number WL2803D
Description CMOS LDO
Maker Will Semiconductor
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WL2803D Datasheet PDF






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