SP6685ER 데이터 시트보기 (PDF) - Signal Processing Technologies
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SP6685ER Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.6V, Typical Application Circuit, D1 = Luxeon LXCL-PWF1, TA = 25°C unless otherwise noted.
Torch Mode 200mA Iou
300
200
Vf = 3.0V
Vf = 3.3V
100
Vf = 3.6V
Vf = 3.9V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Figure 1. Torch Mode Output Current
Flash Mode 700mA Io
900
800
700
600
500
400
Vf = 3.3V
300
Vf = 3.6V
Vf = 3.9V
200
Vf = 4.2V
100
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Figure 2. Flash Mode Output Current
Torch Mode 200mA Efficie
100
90
80
Vf = 3.0
70
Vf = 3.3
Vf = 3.6
60
Vf = 3.9
50
40
3.0
3.2
3.4
3.6
3.8
Vin (V
Figure 3. Torch Mode Efficiency
4.0
4.2
Flash Mode 700mA Efficie
100
Vf = 3.3V
90
Vf = 3.6V
Vf = 3.9V
80
Vf = 4.2V
70
60
50
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Figure 4. Flash Mode Efficiency
Date: 7/6/06 Rev B
SP6685, 700mA Buck/BoostCharge Pump LED Driver
4
© 2006 Sipex Corporation
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