ISL62883_14 Datasheet, PDF (32/37 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs

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 37. PRE-CHARGED START UP, V_IN = 19V, VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: IMON, Ch4: VR_ON
FIGURE 38. STEADY STATE, V_IN = 19V, I_O = 51A, VID = 0.95V,
Ch1: PHASE1, Ch2: V_O, Ch3: PHASE2, Ch4: PHASE3
32
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
FN6891.4
June 21, 2011