SP6686ER-L/TR 查看數據表（PDF） - Exar Corporation

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SP6686ER-L/TR

400mA Buck/Boost Charge Pump LED Driver

Exar Corporation 

SP6686

400mA Buck/Boost Charge Pump LED Driver

TYPICAL PERFORMANCE CHARACTERISTICS

All data taken at VIN = 3.6V, TA = 25°C, unless otherwise specified - Schematic and BOM from Application Information

section of this datasheet. D1 = AOT 2015HPW-1915B LED.

Fig. 4: Output Current vs Supply Voltage

CIN=2.2µF, CFC=0.47µF,COUT=1µF

Fig. 5: Output Current vs Supply Voltage

CIN=2.2µF, CFC=0.47µF,COUT=1µF

Fig. 6: Efficiency vs Supply Voltage

CIN=2.2µF, CFC=0.47µF,COUT=1µF

Fig. 7: Efficiency vs Supply Voltage

CIN=2.2µF, CFC=0.47µF,COUT=1µF

Fig. 8: Ripple 1x Flash 400mA, Ch1=VIN, Ch2=VOUT

VIN=4.2V, CIN=4.7µF, CFC=0.47µF,COUT=2.2µF

Fig. 9: Ripple 2x Flash 400mA, Ch1=VIN, Ch2=VOUT

VIN=3.6V, CIN=4.7µF, CFC=0.47µF,COUT=2.2µF

© 2009 Exar Corporation

5/12

Rev. 2.0.0

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