SP6685ER 데이터 시트보기 (PDF) - Signal Processing Technologies

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SP6685ER

700mA Buck/Boost Charge Pump LED Driver

Signal Processing Technologies 

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.6V, Typical Application Circuit, D1 = Luxeon LXCL-PWF1, TA = 25°C unless otherwise noted.

VIN

VOUT

VIN

VOUT

Figure 5. PWF1 Ripple 1X Flash 700mA Ch1 = VIN,

Ch2 = VOUT, VIN = 4.2V, CIN = 10μF, CFC = 1μF, COUT

= 4.7μF

Figure 6. PWF1 Ripple 2X Flash 700mA Ch1 = VIN,

Ch2 = VOUT, VIN = 3.6V, CIN = 10μF, CFC = 1μF, COUT

= 4.7μF

VIN

VOUT

VIN

VOUT

Figure 7. PWF1 Ripple 1X Torch 200mA VIN = 4.2V, CIN

= 10μF CFC = 1μF, COUT = 4.7μF

Figure 8. PWF1 Ripple 2X Torch 200mA VIN = 3.0V, CIN

= 10μF CFC = 1μF, COUT = 4.7μF

Date: 7/6/06 Rev B

SP6685, 700mA Buck/BoostCharge Pump LED Driver

5

© 2006 Sipex Corporation

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