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Will Semiconductor

WL2803E Datasheet Preview

WL2803E Datasheet

CMOS LDO

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WL2803E
Ultra low dropout, 500mA, CMOS LDO
WL2803E
Http://www.sh-willsemi.com
Descriptions
The WL2803E series are ultra low dropout, Low
quiescent current, high PSRR CMOS LDO. The
dropout voltage is 130mV (Typ.) at 500mA load
current.
Using CMOS construction, the quiescent current
consumed by the WL2803E is typically 150uA over the
entire input voltage range, making it attractive for
consumer, networking applications that demand high
output current. The WL2803E series are available in
wide output voltage range version from 1.2V to 3.3V
with 0.1V step.
SOT-23-5L
VOUT
5
NC
4
The WL2803E 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%.
123
VIN GND EN
Pin Configuration (Top View)
54
The WL2803E regulators are available in SOT-23-5L
packages. Standard products are Pb-free and
Halogen-free.
WS**
YYWW
Features
Input voltage
: 2.5V~5.5V
Output voltage : 1.2V, 1.8V, 3.3V
(Or upon request)
Output current : 500mA
PSRR
: 65dB @ 1KHz
Dropout voltage : 130mV @ IOUT=0.5A
Output noise
: 100uV
Quiescent current : 150μA Typ.
123
WS = Device code
** = Voltage code (33: 3.3V)
YY = Year code
WW = Week code
Marking
Order Information
For detail information, Please refer to page 9.
Applications
LCD TV
STB
Computer, Graphic card
Network communication equipments
Others portable electronics devices
Will Semiconductor Ltd.
1 May. 2014 Rev1.6




Will Semiconductor

WL2803E Datasheet Preview

WL2803E Datasheet

CMOS LDO

No Preview Available !

Typical Application
VIN
4.7uF
ON
OFF
15
2
34
VOUT
4.7uF
Pin Description
WL2803E
PIN Symbol Description
1 VIN Input
2 GND Ground
3 EN Enable, Active High
4 NC Not connect
5 VOUT Output
Block Diagram
VIN
EN
Current
Limit
VREF
Enable
Control
OTP
GND
VOUT
Will Semiconductor Ltd.
2 May. 2014 Rev1.6


Part Number WL2803E
Description CMOS LDO
Maker Will Semiconductor
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WL2803E Datasheet PDF





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