WL2851E WILLSEMI | Alldatasheet
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Features
Supply Voltage : 4.75V~40V Output Range : 1.8V~5.7V Output Accuracy : <+/ -2% Output Current : 150mA @(VIN-VOUT=2V)(Typ.) PSRR : 60dB @ 100Hz Dropout Voltage : 240mV @ IOUT=30mA Quiescent Current : 10μA@VIN=7V(Typ.) Recommend Capacitor : 10uF Http://www.sh-willsemi.com SOT-23-5L VIN GND NC VOUT NC 1 2 3 Pin Configuration (Top View) ** ** For detail marking information, please see page 8. Marking Order Information For detail order information, please see page 8.
Will Semiconductor Ltd. 2 Apr 2016 – Rev.1.6 Typical Application 3 4 5VIN 10uF VOUT 10uF （Locate Cin and Cout as close to the Vin pin and Vout pin as possible.） Pin Description Block Diagram VREF GND VOUT Current Limit OTP VIN PIN Symbol Description
1 VIN Voltage Input
2 GND Ground
3 NC Not Connect
4 NC Not Connect
5 VOUT Voltage Output
Will Semiconductor Ltd. 3 Apr 2016 – Rev.1.6 Absolute Maximum Ratings Recommend Operating Ratings Electronics Characteristics (Ta=25oC, VIN=12V, CIN=COUT=10uF, unless otherwise noted) Symbol Parameter Test Condition WL2851E SPEC Unit Min. Typ. Max. VIN Input Range IOUT=10mA 4.75 40 V VOUT Output Range IOUT=10mA VOUT*0.98 VOUT VOUT*1.02 V ΔVOUT Output Voltage VIN=12V,IOUT=10mA 3.234 3.3 3.366 V 4.9 5.0 5.1 V IOUT_PK Maximum Output Current VIN=12V, RL=1Ω 180 280 460 mA IQ Quiescent Current VIN=7V, No load 10 15 μA VIN=24V, No load 11 16 VIN=40V, No load 13 20 VDROP Dropout Voltage IOUT=1mA 8 12 mV IOUT=30mA 240 400 △ VLine Line Regulation VIN=7--24V,VOUT=5V IOUT=1mA 0.02 %/V VIN=7--45V,VOUT=5V IOUT=1mA 0.1 △ VLoad Load Regulation VIN=12V, IOUT=1--100mA 0.6 % eNO Output Noise IOUT=10mA -100 +100 μV PSRR Ripple Rejection VIN=10V VPP=0.5V IOUT=1mA f=100Hz 60 dB f=1KHz 45 f=10KHz 35 TSD Thermal Protection VIN=12V, IOUT=1mA 165 ℃ TSD_HYS Thermal Protection Hys VIN=12V, IOUT=1mA 30 ℃ ΔVo/ΔT Temperature Cofficient VIN=12V, IOUT=1mA ± 0.5 mv/℃ Parameter Value Unit Power Dissipation Internal limited mW VIN Range -0.3～45 V VOUT Range -0.3～6.5 V Lead Temperature Range 260 oC Storage Temperature Range -55 ~ 150 oC Operating Junction Temperature Range 150 oC ESD MM 400 V ESD HBM 4K V Parameter Value Unit Operating Supply voltage 4.75～40 V Operating Temperature Range -40～85 oC Thermal Resistance, RθJA 150 oC/W
Will Semiconductor Ltd. 4 Apr 2016 – Rev.1.6 Typical characteristics (Ta=25℃ CIN=COUT=10uF, unless otherwise noted) 0 5 10 15 20 25 30 35 40 45 VOUT = 3.3V Quiescent Current ( uA ) Input Voltage ( V ) 0 5 10 15 20 25 30 35 40 45 VOUT = 5.0V Quiescent Current ( uA ) Input Voltage ( V ) Quiescent Current vs. Input Voltage Quiescent Current vs. Input Voltage -40 -20 0 20 40 60 80 100 120 140 160 3.00 3.05 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 VIN = 6 V VIN = 12 V VIN = 24 V VIN = 30 V Output Voltage ( V ) Temperature ( o C ) IO = 1 mA VOUT = 3.3V -40 -20 0 20 40 60 80 100 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 IO = 1 mA VOUT = 5.0V Output Voltage ( V ) Temperature ( o C ) VIN = 6 V VIN = 12 V VIN = 24 V VIN = 30 V Output Voltage vs. Temperature Output Voltage vs. Temperature 0 50 100 150 200 250 300 350 400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Output Voltage(V) Load Current ( mA ) -40 O C VIN = 5 V VIN = 12 V VIN = 30 V 0 50 100 150 200 250 300 350 400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Output Voltage(V) Load Current ( mA ) O C VIN = 5 V VIN = 12 V VIN = 30 V Output Voltage vs. Load Current Output Voltage vs. Load Current
Will Semiconductor Ltd. 5 Apr 2016 – Rev.1.6 0 50 100 150 200 250 300 350 400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Output Voltage(V) Load Current ( mA ) O C VIN = 5 V VIN = 12 V VIN = 30 V 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 VOUT = 3.3V Dropout Voltage ( V ) Output Current ( mA ) Output Voltage vs. Load Current Dropout Voltage vs. Output Current 10 100 1000 10000 100 IO = 1 mA VOUT = 3.3V VIN = 12 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) 10 100 1000 10000 100 IO = 1 mA VOUT = 5.0V VIN = 12 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) PSRR vs. Frequency PSRR vs. Frequency 10 100 1000 10000 100 IO = 1 mA VOUT = 3.3V VIN = 24 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) 10 100 1000 10000 100 IO = 1 mA VOUT = 5.0V VIN = 24 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) PSRR vs. Frequency PSRR vs. Frequency
Will Semiconductor Ltd. 6 Apr 2016 – Rev.1.6 10 100 1000 10000 100 IO = 1 mA VOUT = 3.3V VIN = 30 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) 10 100 1000 10000 100 IO = 1 mA VOUT = 5.0V VIN = 30 VDC + 0.5 VP-PAC PSRR(dB) Frequency(HZ) PSRR vs. Frequency PSRR vs. Frequency 1 10 100 1000 10000 100000 IQ (uA) IOUT (uA) VCC=5V VCC=10V VCC=20V VCC=30V Quiescent Current vs. Output Current
Will Semiconductor Ltd. 7 Apr 2016 – Rev.1.6 VIN = 12V VOUT = 3.3V IO = 1mA VIN = 12V VOUT = 5.0V IO = 1mA Startup from Power ON Startup from Power ON VIN = 12V VOUT = 3.3V IO = 1mA VIN = 12V VOUT = 5.0V IO = 1mA Shutdown from Power OFF Shutdown from Power OFF
Will Semiconductor Ltd. 8 Apr 2016 – Rev.1.6 ORDER INFORMATION Marking: WB* = Device Code EA = Package Code Y = Year W = Week Ordering No. Vout (V) Package Operating Temperature Marking Shipping WL2851E33-5/TR 3.3 SOT-23-5L -40~+85° C WB33 EAYW Tape and Reel, 3000 WL2851E50-5/TR 5.0 SOT-23-5L -40~+85° C WB50 EAYW Tape and Reel, 3000
Will Semiconductor Ltd. 9 Apr 2016 – Rev.1.6 Package outline dimensions SOT-23-5L Symbol Dimensions In Millimeters Min. Typ. Max. A - - 1.250 A1 0.000 - 0.150 A2 1.000 1.100 1.200 b 0.360 - 0.500 c 0.140 - 0.200 D 2.826 2.926 3.026 E 1.526 1.626 1.726 E1 2.600 2.800 3.000 e 0.900 0.950 1.000 e1 1.800 1.900 2.000 L 0.350 0.450 0.600 θ 0o - 8o