ISL62884C Datasheet, PDF (26/30 Pages) Intersil Corporation – Single-Phase PWM Regulator for IMVP-6™ Mobile CPUs

ISL62884C
Typical Performance
100
90
80
70
V_IN = 12V
V_IN = 19V
60
V_IN = 8V
50
40
30
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
I_OUT(A)
FIGURE 23. ISL62884CEVAL2Z EVALUATION BOARD
CCM EFFICIENCY, VID = 1.2375V,
V_IN1 = 8V, V_IN2 = 12.6V AND V_IN3 = 19V
100
90
80
70
V_IN = 12V _{VIN = 19V}
60
V_IN = 8V
50
40
30
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
I_OUT(A)
FIGURE 24. ISL62884CEVAL2Z EVALUATION BOARD DE
MODE EFFICIENCY, VID = 1.2375V,
V_IN1 = 8V, V_IN2 = 12.6V AND V_IN3 = 19V
1.27
1.26
1.25
1.24
V_IN = 19V
1.23
1.22
1.21
1.20
V_IN = 12V V_IN = 8V
1.19
1.18
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
I_OUT(A)
FIGURE 25. ISL62884CEVAL2Z EVALUATION BOARD
CCM LOAD LINE, VID = 1.2375V,
V_IN1 = 8V, V_IN2 = 12.6V AND V_IN3 = 19V
1.27
1.26
1.25
1.24
V_IN = 19VV
1.23
1.22
1.21
1.20
V_IN = 12V V_IN = 8V
1.19
1.18
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
I_OUT(A)
FIGURE 26. ISL62884CEVAL2Z EVALUATION BOARD DE
MODE LOAD LINE, VID = 1.2375V,
V_IN1 = 8V, V_IN2 = 12.6V AND V_IN3 = 19V
FIGURE 27. SOFT-START, V_IN = 12V, I_O = 1A,
VID = 1.2375V, CH1: PHASE, CH2: V_O
FIGURE 28. SHUT DOWN, V_IN = 12V, I_O = 1A,
VID = 1.2375V, CH1: PHASE, CH2: V_O
26
FN7591.0
March 16, 2010