SP6685_06 Datasheet, PDF (5/16 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.
V_IN
V_OUT
V_IN
V_OUT
Figure 5. PWF1 Ripple 1X Flash 700mA Ch1 = V_IN,
Ch2 = V_OUT, V_IN = 4.2V, C_IN = 10μF, C_FC = 1μF, C_OUT
= 4.7μF
Figure 6. PWF1 Ripple 2X Flash 700mA Ch1 = V_IN,
Ch2 = V_OUT, V_IN = 3.6V, C_IN = 10μF, C_FC = 1μF, C_OUT
= 4.7μF
V_IN
V_OUT
V_IN
V_OUT
Figure 7. PWF1 Ripple 1X Torch 200mA V_IN = 4.2V, C_IN
= 10μF C_FC = 1μF, C_OUT = 4.7μF
Figure 8. PWF1 Ripple 2X Torch 200mA V_IN = 3.0V, C_IN
= 10μF C_FC = 1μF, C_OUT = 4.7μF
Date: 7/6/06 Rev B
SP6685, 700mA Buck/BoostCharge Pump LED Driver
5
© 2006 Sipex Corporation