isl62881 Intersil Corporation, isl62881 Datasheet - Page 30

• Manufacturer Part Number: isl62881
• Description: Single-phase Pwm Regulator For Imvp-6.5? Mobile Cpus And Gpus
• Manufacturer: Intersil Corporation

Typical Performance
FIGURE 27. CPU APPLICATION CCM EFFICIENCY,
FIGURE 29. CPU APPLICATION CCM LOAD LINE,
FIGURE 31. CPU MODE SOFT-START, V
0.91
0.90
0.89
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.80
90
88
86
84
82
80
78
76
74
72
70
0
0
2
2
VID = 0.9V, V
V
VID = 0.9V, V
V
I
O
V
IN3
IN3
IN
= 0A, VID = 1.2V, Ch1: PHASE, Ch2: V
4
4
= 19V
= 19V
= 19V
V
IN
6
6
= 8V
8
8
V
30
IN
IN1
IN1
I
I
V
10
10
OUT
OUT
IN
= 12V
= 8V, V
= 8V, V
= 12V
(A)
12
(A)
12
14
14
V
IN
IN2
IN2
IN
V
16
16
= 19V
IN
= 19V,
ISL62881, ISL62881B
= 12.6V AND
= 12.6V AND
= 8V
18
18
20
20
22
22
O
FIGURE 28. CPU APPLICATION DCM EFFICIENCY,
FIGURE 30. CPU MODE CLK_EN# DELAY, V
FIGURE 32. GPU MODE SOFT-START, V
88
86
84
82
80
78
76
74
72
70
0.1
VID = 0.9V, V
V
I
Ch2: V
I
O
O
IN3
= 0A, VID = 1.2V, Ch1: PHASE1,
= 0A, VID = 1.2V, Ch1: PHASE, Ch2: V
= 19V
O
, Ch4: CLK_EN#
V
IN
IN1
I
= 8V
OUT
V
1.0
IN
= 8V, V
= 12V
(A)
IN2
IN
V
IN
= 12.6V AND
= 19V,
IN
= 19V
October 26, 2009
= 19V,
10.0
FN6924.0
O