ISL6557A Datasheet, PDF (18/19 Pages) Intersil Corporation – Multi-Phase PWM Controller for Core-Voltage Regulation

0.3 _{IL,PP = 0}
I_L,PP = 0.25 I_O
0.2
I_L,PP = 0.5 I_O
I_L,PP = 0.75 I_O
ISL6557A
0.6
0.4
0.1
0
0
0.2
0.4
0.6
0.8
1.0
DUTY CYCLE ( V_IN / V_O )
FIGURE 17. NORMALIZED INPUT-CAPACITOR RMS CURRENT
VS DUTY CYCLE FOR 4-PHASE CONVERTER
0.2
I_L,PP = 0
I_L,PP = 0.5 I_O
I_L,PP = 0.75 I_O
0
0
0.2
0.4
0.6
0.8
1.0
DUTY CYCLE ( V_IN / V_O )
FIGURE 18. NORMALIZED INPUT-CAPACITOR RMS CURRENT
VS DUTY CYCLE FOR SINGLE-PHASE
CONVERTER
18