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SP6685 Datasheet(PDF) 8 Page - Sipex Corporation

Part # SP6685
Description  700mA Buck/Boost Charge Pump LED Driver
PDF  16 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6685 Datasheet(HTML) 8 Page - Sipex Corporation

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Date: 7/6/06 Rev B
SP6685, 700mA Buck/BoostCharge Pump LED Driver
© 2006 Sipex Corporation
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency Vs Supply Vol
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 600mA Vf=3.8
Torch 200mA Vf = 3
Output Current Vs Supply Vol
0
100
200
300
400
500
600
700
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 600mA
Vf=3.8V
Torch 200mA
Vf=3.2V
D1 = AOT 2015HPW-1915B LED, Rsense = 0.22ohms,
R
SET = 80.6K, CIN = 4.7μF, CFC = 1.0μF, COUT = 1.0μF
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
Efficiency Vs Supply Vol
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 500mA
Vf = 4.1V
Torch 150mA
Vf = 3.5V
Output Current Vs Supply Vol
0
100
200
300
400
500
600
700
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 500mA Vf = 4
Torch 150mA Vf = 3
Battery Current Vs Supply Vo
0
200
400
600
800
1000
1200
1400
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 500mA Vf = 4
Torch 150mA Vf = 3
DI = AOT 6060HPW0305BD LED, Rsense = 0.33ohms,
R
SET = 75K, CIN = 4.7μF, CFC = 1.0μF, COUT = 1.0μF
Battery Current
Vs Supply V
0
200
400
600
800
1000
1200
1400
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V
Flash 600mA Vf=3.
Torch 200mA Vf=3.
Note: diode, resistor, and capacitor settings apply to
figures 19, 20, and 21.
Note: diode, resistor, and capacitor settings apply to
figures 22, 23, and 24.



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