SP6686ER-L/TR 查看數據表（PDF） - Signal Processing Technologies
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SP6686ER-L/TR Datasheet PDF : 13 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.6, Typical Application, TA = 25°C unless otherwise noted. D1 = AOT 2015HPW-1915B LED.
Torch Mode 150mA Iout
250
200
150
Vf = 3.5V
100
Vf = 3.3V
50
Vf = 3.1V
Vf = 3.0V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 1. Output Current vs. Supply Voltage (CIN =
2.2µF, CFC = 0.47µF, COUT = 1.0µF
Flash Mode 400mA Iout
600
500
400
300
Vf = 4.1V
200
Vf = 3.8V
Vf = 3.5V
100
Vf = 3.2V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
VIN (V)
Figure 2. Output Current vs. Supply Voltage (CIN =
2.2µF, CFC = 0.47µF, COUT = 1.0µF
Torch Mode 150mA Efficiency
100
90
80
Vf = 3.5V
70
Vf = 3.3V
60
Vf = 3.1V
Vf = 3.0V
50
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 3. Efficiency vs. Supply Voltage (CIN = 2.2µF,
CFC = 0.47µF, COUT = 1.0µF)
100
Flash Mode 400mA Efficiency
Vf = 4.1V
90
Vf = 3.8V
80
Vf = 3.5V
Vf = 3.2V
70
60
50
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 4. Efficiency vs. Supply Voltage (CIN = 2.2µF,
CFC = 0.47µF, COUT = 1.0µF)
Date: 03/10/06
SP6686 400mA, Buck/Boost Charge Pump LED Driver
4
© Copyright 2006 Sipex Corporation
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