SP6686ER-L/TR 查看數據表（PDF） - Signal Processing Technologies

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SP6686ER-L/TR

400mA Buck/Boost Charge Pump LED Driver

Signal Processing Technologies 

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.6, Typical Application, D1 = AOT2015HPW-1915B LED,TA = 25°C unless otherwise noted.

ENABLE

VOUT

IIN

(0.5A/div)

Figure 15. Startup Torch, Vin=3.6V, Vout=3.1V

Cin=4.7µF,CFC=0.47µF, Cout=2.2µF

ENABLE

VOUT

IIN

(0.5A/div)

Figure 16. Startup Flash, Vin=3.6V, Vout=3.5V

Cin=4.7µF,CFC=0.47µF, Cout=2.2µF

Flash

VOUT

VFB

IOUT

(0.5A/div)

Figure 17. Torch in 1X to Flash 1X Mode,

Vin=4.2V, Cin=4.7µF,CFC=0.47µF, Cout=2.2µF

Flash

VOUT

VFB

IOUT

(0.5A/div)

Figure 18. Torch in 1X to Flash 2X Mode, Vin=3.6V,

Cin=4.7µF,CFC=0.47µF, Cout=2.2µF

Date: 03/10/06

SP6686 400mA, Buck/Boost Charge Pump LED Driver

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