WL2805 WILLSEMI | Alldatasheet

Document overview

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Technical content

Features

 Quiescent current : 3μA Typ.  Input voltage : 2.3V ~ 5.5V  Output voltage : 1.2V ~ 3.3V  Output current : 250mA @ VOUT>2V  Output current : 100mA @ VOUT≤2V  Dropout voltage : 100mV @ 100mA  Recommend capacitor : 1uF  Operating Temperature : -40 ~ +85 °C  Output short protection

Applications

 MP3/MP4 Players  Cell phones  Bluetooth earphone  Wireless mouse  Others electronics devices Http://www.sh-willsemi.com SOT-23-3L SOT-23-5L WL2805N WL2805E PinConfiguration (TopView) For detail marking information please see page 9. Marking OrderInformation For detail order information please see page 9.

WillSemiconductorLtd. 2 Jun2016–Rev2.6 TypicalApplications BlockDiagram WL2805N PinDescriptions WL2805E PIN Symbol Description

1 GND Ground

2 VOUT Output

3 VIN Input

1 VIN Input

2 GND Ground

3 CE Chip Enable, Active High

4 NC Not connected

5 VOUT Output

WillSemiconductorLtd. 3 Jun2016–Rev2.6 AbsoluteMaximumRatings OperatingRange ElectronicsCharacteristics(VIN =VOUT +1V,CIN=COUT=1uF,TA=25°C,unlessotherwisenoted) Parameter Value Unit Power Dissipation 300 mW VIN Range -0.3～6.0 V VEN Range -0.3～VIN V VOUT Range -0.3～VIN V Lead Temperature 260 oC Storage Temperature -65 ~ 150 oC Operating Junction Temperature 150 oC Parameter Value Unit Thermal Resistance, RθJA 250 oC/W Input Voltage 2.3 ~ 5.5 V Operating Temperature Range -40～85 oC Parameter Symbol Condition Min. Typ. Max. Unit Output Voltage VOUT VIN = VOUT +1V , IOUT=1mA 1.170 1.200 1.230 V 1.270 1.300 1.330 1.470 1.500 1.530 1.764 1.800 1.836 2.450 2.500 2.550 2.744 2.800 2.856 2.940 3.000 3.060 3.234 3.300 3.366 Output Current IOUT VOUT > 2V 250 mA VOUT ≤ 2V 100 Output short current limiter ILIM VOUT=GND 150 mA Dropout Voltage VDROP IOUT =30mA, VOUT=3.0V 30 100 mV IOUT =100mA, VOUT=3.0V 100 200 Line Regulation △VLINE VIN=VOUT+1V~6V, IOUT=40mA 0.1 %/V Load Regulation △VLOAD IOUT = 1~ 100mA 25 mV Quiescent Current IQ VIN = VOUT +1V, IOUT=0A 3 5 uA Shut-down Current ISHDN VEN=0V 1.0 uA Power Supply Ripple Rejection PSRR Vp-p=1V, F=100Hz, IOUT=10mA -50 dB Vp-p=1V, F=1KHz, IOUT=10mA -30 dB

WillSemiconductorLtd. 4 Jun2016–Rev2.6 TypicalCharacteristics(TA=25oC,unlessotherwise noted) QuiescentCurrentvs.InputVoltage OutputVoltagevs.InputVoltage Dropout Voltagevs.OutputCurrent QuiescentCurrent vs.InputVoltage OutputVoltagevs.InputVoltage DropoutVoltagevs.OutputCurrent 0 1 2 3 4 5 6 VOUT=3.0V Quiescent Current (uA) Input Voltage (V) 0 1 2 3 4 5 6 Quiescent Current (uA) Input Voltage (V) VOUT=3.3V 0 1 2 3 4 5 6 VOUT=3.0V IOUT=100mA Output Voltage (V) Input Voltage (V) 0 1 2 3 4 5 6 VOUT=3.3V IOUT=100mA Output Voltage (V) Input Voltage (V)

WillSemiconductorLtd. 5 Jun2016–Rev2.6 OutputShort Protection OutputVoltagevs.Temperature PSRRvs.Frequency OutputShortProtection OutputVoltagevs.Temperature PSRRvs.Frequency 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VOUT=3.0V O C O C Output Voltage (V) Output Current (mA) -40 O C 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VOUT=3.3V O C O C Output Voltage (V) Output Current (mA) -40 O C -50 -25 0 25 50 75 100 125 2.95 2.96 2.97 2.98 2.99 3.00 3.01 3.02 VOUT=3.0V IO=100mA IO=40mA Output Voltage (V) Temperature ( o IO=1mA -50 -25 0 25 50 75 100 125 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 VOUT=3.3V IO=100mA IO=40mA Output Voltage (V) Temperature ( o IO=1mA 10 100 1000 10000 PSRR (dB) Frequency (Hz) VIN =4.0V VIN_Ripple =1Vp-p VOUT =3.0V IOUT =1mA 10 100 1000 10000 VIN =4.3V VIN-Ripple =1Vp-p VOUT =3.3V IOUT =1mA PSRR (dB) Frequency (Hz)

WillSemiconductorLtd. 6 Jun2016–Rev2.6 PSRRvs.Frequency PowerUp LineRegulation PSRRvs.Frequency PowerDown LoadRegulation 10 100 1000 10000 VIN =4.0V VIN_Ripple =1Vp-p VOUT =3.0V IOUT =10mA PSRR (dB) Frequency (Hz) 10 100 1000 10000 VIN =4.3V VIN_Ripple =1Vp-p VOUT =3.3V IOUT =10mA PSRR (dB) Frequency (Hz)

WillSemiconductorLtd. 7 Jun2016–Rev2.6 Packageoutlinedimensions SOT-23-3L Symbol DimensionsInMillimeters Min. Max. A 1.050 1.250 A1 0.000 0.100 A2 1.050 1.150 b 0.300 0.500 c 0.100 0.200 D 2.820 3.020 E 1.500 1.700 E1 2.650 2.950 e 0.950(Basic) e1 1.800 2.000 L 0.300 0.600 θ 0o 8o

WillSemiconductorLtd. 8 Jun2016–Rev2.6 Packageoutlinedimensions SOT-23-5L Symbol DimensionsInMillimeters Min. Max. A 1.050 1.250 A1 0.000 0.100 A2 1.050 1.150 b 0.300 0.500 c 0.100 0.200 D 2.820 3.020 E 1.500 1.700 E1 2.650 2.950 e 0.950(Basic) e1 1.800 2.000 L 0.300 0.600 θ 0o 8o

WillSemiconductorLtd. 9 Jun2016–Rev2.6 OrderInformation Marking: F12 = Device code * = Month code (A~Z) WF12 = Device code YY = Year WW = Week Ordering No. Vout (V) Package Operating Temperature Marking Shipping WL2805N12-3/TR 1.2 SOT-23-3L -40~+85°C FBC* 3000 Tape & Reel WL2805N13-3/TR 1.3 SOT-23-3L -40~+85°C F13* 3000 Tape & Reel WL2805N15-3/TR 1.5 SOT-23-3L -40~+85°C F15* 3000 Tape & Reel WL2805N18-3/TR 1.8 SOT-23-3L -40~+85°C F18* 3000 Tape & Reel WL2805N20-3/TR 2.0 SOT-23-3L -40~+85°C F20* 3000 Tape & Reel WL2805N25-3/TR 2.5 SOT-23-3L -40~+85°C FCF* 3000 Tape & Reel WL2805N28-3/TR 2.8 SOT-23-3L -40~+85°C FCJ* 3000 Tape & Reel WL2805N30-3/TR 3.0 SOT-23-3L -40~+85°C F30* 3000 Tape & Reel WL2805N33-3/TR 3.3 SOT-23-3L -40~+85°C F33* 3000 Tape & Reel WL2805E12-5/TR 1.2 SOT-23-5L -40~+85°C WF12 YYWW 3000 Tape & Reel WL2805E13-5/TR 1.3 SOT-23-5L -40~+85°C WF13 YYWW 3000 Tape & Reel WL2805E15-5/TR 1.5 SOT-23-5L -40~+85°C WF15 YYWW 3000 Tape & Reel WL2805E18-5/TR 1.8 SOT-23-5L -40~+85°C WF18 YYWW 3000 Tape & Reel WL2805E25-5/TR 2.5 SOT-23-5L -40~+85°C WF25 YYWW 3000 Tape & Reel WL2805E28-5/TR 2.8 SOT-23-5L -40~+85°C WF28 YYWW 3000 Tape & Reel WL2805E30-5/TR 3.0 SOT-23-5L -40~+85°C WF30 YYWW 3000 Tape & Reel WL2805E33-5/TR 3.3 SOT-23-5L -40~+85°C WF33 YYWW 3000 Tape & Reel