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WL2803E

Will Semiconductor
Part Number WL2803E
Manufacturer Will Semiconductor
Description CMOS LDO
Published Mar 10, 2016
Detailed Description WL2803E Ultra low dropout, 500mA, CMOS LDO WL2803E Http://www.sh-willsemi.com Descriptions The WL2803E series are ultr...
Datasheet PDF File WL2803E PDF File

WL2803E
WL2803E

Overview
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 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 Absolute Maximum Ratings Parameter Input voltage range Output voltage range Power dissipation *1 *3 Power dissipation *2 *3 Thermal re...


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