ISL62883 Datasheet, PDF (33/39 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5 Mobile CPUs and GPUs

ISL62883, ISL62883B
Typical Performance (Continued)
FIGURE 34. SOFT-START, V_IN = 19V, I_O = 0A,
VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: PHASE2,
Ch4: PHASE3
FIGURE 35. SHUT DOWN, V_IN = 19V, I_O = 1A,
VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: PHASE2,
Ch4: PHASE3
FIGURE 36. CLK_EN# DELAY, V_IN = 19V, I_O = 2A,
VID = 1.5V,
Ch1: PHASE1, Ch2: V_O, Ch3: IMON,
Ch4: CLK_EN#
FIGURE 38. STEADY STATE, V_IN = 19V, I_O = 51A,
VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: PHASE2,
Ch4: PHASE3
33
FIGURE 37. PRE-CHARGED START UP, V_IN = 19V,
VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: IMON,
Ch4: VR_ON
1000
900
800
700
600
500
400
300 ^SPEC
200
V_IN = 19V
V_IN = 12V
100
0
0
V_IN = 8V
5 10 15 20 25 30 35 40 45 50
I_OUT (A)
FIGURE 39. IMON, VID = 1.075V
FN6891.2
February 25, 2010