WL2801E WILLSEMI | Alldatasheet

Document overview

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Technical content

Features

 Input voltage : 2.7V~5.5V  Output range : 1.2V~3.3V  Output current : 200mA (@Vout<2V)( Typ.)  300mA (@Vout>2V)( Typ.)  PSRR : 75dB @ 217Hz  Dropout voltage : 170mV @ IOUT=200mA  Quiescent current : 70μA Typ.  Shut-down current : < 0.1μA  Recommend capacitor : 1uF

Applications

 MP3/MP4 Players  Cellphones, radiophone, digital cameras  Bluetooth, wireless handsets  Others portable electronics device Http://www.willsemi.com SOT-23-5L PinConfiguration (TopView) ** ** For detail marking information, please see page 10. Marking OrderInformation For detail order information, please see page 10.

WillSemiconductorLtd. 2 Feb,2019–Rev.3.5 TypicalApplication BlockDiagram PinDescription PIN Symbol Description

1 VIN Input

2 GND Ground

3 EN Enable (Active high)

4 NC Not connected

5 VOUT Output

WillSemiconductorLtd. 3 Feb,2019–Rev.3.5 AbsoluteMaximumRatings RecommendOperatingRatings ElectronicsCharacteristics(Ta=25oC,VIN=VOUT+1V,CIN=COUT=1uF,unlessotherwisenoted) Parameter Value Unit Power Dissipation Internal limited mW VIN Range -0.3～6.5 V VEN Range -0.3～VIN V VOUT Range -0.3～VIN V Lead Temperature Range 260 oC Storage Temperature Range -55 ~ 150 oC Operating Junction Temperature Range 150 oC Parameter Value Unit Operating Supply voltage 2.7～5.5 V Operating Temperature Range -40～85 oC Thermal Resistance, RθJA 250 oC/W Theta-JC 70 oC/W Theta-JA 250 oC/W Parameter Symbol Condition Min. Typ. Max. Unit Output Voltage VOUT VOUT <2V, VIN=2.7V, IOUT=1mA 0.97 VOUT VOUT 1.03 VOUT V VOUT≧2V, IOUT=1mA 0.98 VOUT VOUT 1.02 VOUT Current Limit ILIM VEN=VIN Ref. to Output Voltage vs. Output Current Chart mA Dropout Voltage VDROP VOUT=2.8V, IOUT=200mA 170 200 mV VOUT=2.8V, IOUT=300mA 250 300 Line Regulation △VLINE VIN=2.7~5.5V, IOUT=1mA 0.01 0.15 %/V Load Regulation △VLoad VOUT=2.8V , IOUT=1~300mA 20 30 mV Quiescent Current IQ VOUT=2.8V, IOUT=0 70 100 μA Short Current ISHORT VEN=VIN, VOUT Short to GND with 1Ω 170 mA Shut-down Current ISHDN VEN=0V 0.1 1.0 μA Power Supply Rejection Rate PSRR VIN=(VOUT+1V)DC+0.5VP-P F=217Hz ,Iout=10mA dB VIN=(VOUT+1V)DC+0.5VP-P F=10KHz, Iout=10mA EN logic high voltage VENH VIN=5.5V, IOUT=1mA 1.2 V EN logic low voltage VENL VIN=5.5V, VOUT=0V 0.4 V EN Input Current IEN VEN= 0 to 5.5V 1.0 μA Output Noise Voltage eNO 10Hz to 100KHz, COUT=1μF 100 μVRMS

WillSemiconductorLtd. 4 Feb,2019–Rev.3.5 Typicalcharacteristics(Ta=25oC,VIN=VOUT+1V,CIN=COUT=1uF,unlessotherwisenoted) Quiescentcurrentvs.Supplyvoltage Outputvoltagevs.Supplyvoltage Outputvoltagevs.Outputcurrent Quiescentcurrentvs.Supplyvoltage Outputvoltagevs.Supplyvoltage Outputvoltagevs.Outputcurrent Quiescent Current (uA) Input Voltage (V) VOUT =2.8V IO =0mA Quiescent Current(uA) Input Voltage(V) VOUT =1.2V IO =0mA 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 IO=1mA IO=200mA Output Voltage(V) Input Voltage(V) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 IO=1mA IO=200mA Output Voltage(V) Input Voltage(V) 0 200 400 600 800 1000 1200 1400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 TA = -40 o C Output Voltage (V) Output Current (mA) VIN = 3.8V VIN = 4.2V VIN = 5.5V 0 100 200 300 400 500 600 700 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TA = -40 o C Output Voltage (V) Output Current (mA) VIN = 2.7V VIN = 4.2V VIN = 5.5V

WillSemiconductorLtd. 5 Feb,2019–Rev.3.5 Outputvoltagevs.Outputcurrent Outputvoltagevs.Outputcurrent PSRR Outputvoltagevs.Outputcurrent Outputvoltagevs.Outputcurrent PSRR 0 200 400 600 800 1000 1200 1400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 TA = 25 o C Output Voltage (V) Output Current (mA) VIN = 3.8V VIN = 4.2V VIN = 5.5V 0 100 200 300 400 500 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TA = 25 o C Output Voltage (V) Output Current (mA) VIN = 2.7V VIN = 4.2V VIN = 5.5V 0 200 400 600 800 1000 1200 1400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 TA = 85 o C Output Voltage (V) Output Current (mA) VIN = 3.8V VIN = 4.2V VIN = 5.5V 0 100 200 300 400 500 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TA = 85 o C Output Voltage (V) Output Current (mA) VIN = 2.7V VIN = 4.2V VIN = 5.5V 10 100 1000 10000 100 VIN = 3.8V+0.5VP-P VOUT = 2.8V IOUT = 10mA PSRR(dB) Frequency(HZ) 10 100 1000 10000 100 VIN = 3.0V+0.5VP-P VOUT = 1.2V IOUT = 10mA PSRR(dB) Frequency(HZ)

WillSemiconductorLtd. 6 Feb,2019–Rev.3.5 Outputvoltagevs.Temperature StartUp Shutdown DropoutVoltagevs.OutputCurrent StartUp Shutdown 0 50 100 150 200 250 300 100 150 200 250 300 VOUT=2.8V VDROP(mV) Output Current(mA) -50 -25 0 25 50 75 100 125 150 2.5 2.6 2.7 2.8 2.9 3.0 3.1 VIN = 3.8V IOUT = 1mA Output Voltage (V) Temperature (C O

WillSemiconductorLtd. 7 Feb,2019–Rev.3.5 LoadStep LineStep Load Step LineStep

WillSemiconductorLtd. 8 Feb,2019–Rev.3.5 PACKAGEOUTLINEDIMENSIONS SOT-23-5L (Ⅰ) (Ⅱ) SIDE VIEW E b D e c L θ K M 1.50 2.30 SIDE VIEW TOP VIEW 0.95 0.55 0.80 RECOMMENDED LAND PATTERN (unit: mm) A Symbol DimensionsinMillimeters Min. Typ. Max. A - - 1.45 A1 0.00 - 0.15 A2 0.90 1.10 1.30 b 0.30 0.40 0.50 c 0.10 - 0.21 D 2.72 2.92 3.12 E 2.60 2.80 3.00 E1 1.40 1.60 1.80 e 0.95 BSC e1 1.90 BSC L 0.30 0.45 0.60 M 0.10 0.15 0.25 K 0.00 - 0.25 θ 0° - 8°

WillSemiconductorLtd. 9 Feb,2019–Rev.3.5 TAPEANDREELINFORMATION ReelDimensions TapeDimensions QuadrantAssignmentsForPIN1OrientationInTape RD Reel Dimension W Overall width of the carrier tape 1 P1 Pitch between successive cavity centers Pin1 Pin1 Quadrant User Direction of Feed Reel Dimensions RD W Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 7inch 13inch 2mm 4mm 8mm 8mm 12mm 16mm

WillSemiconductorLtd. 10 Feb,2019–Rev.3.5 ORDERINFORMATION Marking: WE** =DeviceCode YY =Year WW =Week Ordering No. Vout (V) Package Operating Temperature Marking Shipping WL2801E12-5/TR 1.2 SOT-23-5L -40~+85°C WE12 YYWW Tape and Reel, 3000 WL2801E13-5/TR 1.3 SOT-23-5L -40~+85°C WE13 YYWW Tape and Reel, 3000 WL2801E15-5/TR 1.5 SOT-23-5L -40~+85°C WE15 YYWW Tape and Reel, 3000 WL2801E18-5/TR 1.8 SOT-23-5L -40~+85°C WE18 YYWW Tape and Reel, 3000 WL2801E25-5/TR 2.5 SOT-23-5L -40~+85°C WE25 YYWW Tape and Reel, 3000 WL2801E28-5/TR 2.8 SOT-23-5L -40~+85°C WE28 YYWW Tape and Reel, 3000 WL2801E30-5/TR 3.0 SOT-23-5L -40~+85°C WE30 YYWW Tape and Reel, 3000 WL2801E33-5/TR 3.3 SOT-23-5L -40~+85°C WE33 YYWW Tape and Reel, 3000