SP6685_06 Datasheet, PDF (6/16 Pages) Sipex Corporation – 700mA Buck/Boost Charge Pump LED Driver

TYPICAL PERFORMANCE CHARACTERISTICS
V_IN = 3.6V, Typical Application Circuit, D1 = Luxeon LXCL-PWF1, T_A = 25°C unless otherwise noted.
Flash 1X Input Ripple Vs Output
200
150
100
50
Cin = 4.7uF
Cin = 10uF
0
100 200 300 400 500 600 700
Output Current (m
Figure 9. C_OUT = 4.7μF
Flash 2X Input Ripple Vs Output
100
80
Cin = 4.7uF
Cin = 10uF
60
40
20
0
100 200 300 400 500 600 700
Output Current (m
Figure 10. C_OUT = 4.7μF
Flash 1X Vout Ripple Vs Output C
200
150
100
50
0
200
Cout = 1uF
Cout = 2.2uF
Cout = 4.7uF
300 400 500 600 700
Output Current (m
Figure 11. C_IN = 10μF
Flash 2X Vout Ripple Vs Output C
200
150
100
50
0
200
Cout = 1uF
Cout = 2.2uF
Cout = 4.7uF
300 400 500 600 700
Output Current (m
Figure 12. C_IN = 10μF
Date: 7/6/06 Rev B
SP6685, 700mA Buck/BoostCharge Pump LED Driver
6
© 2006 Sipex Corporation