SP6686ER-L-TR Datasheet, PDF (5/13 Pages) Exar Corporation – 400mA Buck/Boost Charge Pump LED Driver

SP6686
400mA Buck/Boost Charge Pump LED Driver
TYPICAL PERFORMANCE CHARACTERISTICS
All data taken at V_IN = 3.6V, T_A = 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
C_IN=2.2µF, C_FC=0.47µF,C_OUT=1µF
Fig. 5: Output Current vs Supply Voltage
C_IN=2.2µF, C_FC=0.47µF,C_OUT=1µF
Fig. 6: Efficiency vs Supply Voltage
C_IN=2.2µF, C_FC=0.47µF,C_OUT=1µF
Fig. 7: Efficiency vs Supply Voltage
C_IN=2.2µF, C_FC=0.47µF,C_OUT=1µF
Fig. 8: Ripple 1x Flash 400mA, Ch1=V_IN, Ch2=V_OUT
V_IN=4.2V, C_IN=4.7µF, C_FC=0.47µF,C_OUT=2.2µF
Fig. 9: Ripple 2x Flash 400mA, Ch1=V_IN, Ch2=V_OUT
V_IN=3.6V, C_IN=4.7µF, C_FC=0.47µF,C_OUT=2.2µF
© 2009 Exar Corporation
5/12
Rev. 2.0.0