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SP7686 数据表(PDF) 8 Page - Sipex Corporation

部件名 SP7686
功能描述  Constant Current Flash Driver in DFN 2mm x 3mm
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP7686 数据表(HTML) 8 Page - Sipex Corporation

Back Button SP7686 Datasheet HTML 4Page - Sipex Corporation SP7686 Datasheet HTML 5Page - Sipex Corporation SP7686 Datasheet HTML 6Page - Sipex Corporation SP7686 Datasheet HTML 7Page - Sipex Corporation SP7686 Datasheet HTML 8Page - Sipex Corporation SP7686 Datasheet HTML 9Page - Sipex Corporation SP7686 Datasheet HTML 10Page - Sipex Corporation SP7686 Datasheet HTML 11Page - Sipex Corporation SP7686 Datasheet HTML 12Page - Sipex Corporation Next Button
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Jul16-07 RevP
SP7686: 500mA LED Driver
2007 Sipex Corporation
- 8 -
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.6V, Typical Application Circuit, D1 = Luxeon LXCL-PWF3, TA = 25˚C unless otherwise noted.
Figure 5. SP7686 Startup with 3 CTRL Pulses
Figure 6. SP7686 Startup with 32 CTRL Pulses
Figure 7. SP7686 Turn-off time into SHDN
Figure 8. SP7686 Vout Shorted to GND, VIN = 5.5V
30
40
50
60
70
80
90
100
2.7
3.0
3.3
3.6
3.9
4.2
Vin (V)
Flash 450mA
Torch 150mA
Figure 9. SP7686 LED Open, VIN = 4.2V
Figure 10. SP7686A Efficiency
CTRL
VOUT
VFB
VIN=4.2V
IIN
:
0.5A/div
CTRL
VOUT
VIN=4.2V
VFB
IIN
:
0.5A/div
CTRL
VOUT
VFB
IIN
:
0.5A/div
CTRL
VOUT
VFB
IIN
:
0.5A/div
IIN
:
0.5A/div
VFB
VOUT
CTRL



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