SP6682 Просмотр технического описания (PDF) - Signal Processing Technologies
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SP6682 Datasheet PDF : 12 Pages
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PERFORMANCE CHARACTERISTICS: Continued
Refer to the typical application circuit, TAMB = 25°C, IO = 60mA unless otherwise specified.
6
5
4
3
2
1
0
2.7
3
3.3
3.6
3.9
4.2
Input Voltage (V)
4 LED's @ 30mA
4 LED's @ 15mA
Figure 7. Brightness vs. input voltage
3
100 Hz
500 Hz
2
1
0
0
20
40
60
Duty Cycle,%
Figure 8. Brightness vs. duty cycle
80
100
SP6682 IOUT vs VIN
250
200
150
SP6682 Luxeon I, VF = 3.2V
100
50
0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
VIN (V)
Figure 9. IOUT vs. VIN
Date: 7/19/06 Rev D
SP6682 High Efficiency Charge Pump Regulator for White LEDs
4
© 2006 Sipex Corporation
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