SP6686ER-L/TR 데이터 시트보기 (PDF) - Exar Corporation
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SP6686ER-L/TR Datasheet PDF : 12 Pages
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SP6686
400mA Buck/Boost Charge Pump LED Driver
Fig. 10: Ripple 1x Torch 150mA, Ch1=VIN, Ch2=VOUT
VIN=4.2V, CIN=4.7µF, CFC=0.47µF,COUT=2.2µF
Fig. 11: Ripple 2x Torch 150mA, Ch1=VIN, Ch2=VOUT
VIN=3.0V, CIN=4.7µF, CFC=0.47µF,COUT=2.2µF
Fig. 12: Output Current vs Supply Voltage
D1=AOT2015HPW-1915 LED, RSENSE=0.3Ω
RSET=106kΩ, CIN=2.2µF, CFC=0.47µF,COUT=1µF
Fig. 13: Output Current vs Supply Voltage
D1=AOT3228HPW0303B LED, RSENSE=0.3Ω
RSET=140kΩ, CIN=2.2µF, CFC=0.47µF,COUT=1µF
Fig. 14: Efficiency vs Supply Voltage
D1=AOT2015HPW-1915 LED, RSENSE=0.3Ω
RSET=106kΩ, CIN=2.2µF, CFC=0.47µF,COUT=1µF
Fig. 15: Efficiency vs Supply Voltage
D1=AOT3228HPW0303B LED, RSENSE=0.3Ω
RSET=140kΩ, CIN=2.2µF, CFC=0.47µF,COUT=1µF
© 2009 Exar Corporation
6/12
Rev. 2.0.0
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