ISL62883C Datasheet, PDF (38/43 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

ISL62883C
Typical Performance (Continued)
FIGURE 38. SOFT-START, V_IN = 19V, I_O = 0A,
VID = 0.95V, Ch1: PHASE1, Ch2: V_O, Ch3:
PHASE2, Ch4: PHASE3
FIGURE 39. SHUT DOWN, V_IN = 19V, I_O = 1A,
VID = 0.95V, Ch1: PHASE1, Ch2: V_O, Ch3:
PHASE2, Ch4: PHASE3
FIGURE 40. CLK_EN# DELAY, V_IN = 19V, I_O = 2A,
VID = 1.5V, Ch1: PHASE1, Ch2: V_O, Ch3:
IMON, Ch4: CLK_EN#
FIGURE 41. PRE-CHARGED START UP, V_IN = 19V,
VID = 0.95V, Ch1: PHASE1, Ch2: V_O, Ch3:
IMON, Ch4: VR_ON
FIGURE 42. STEADY STATE, V_IN = 19V, I_O = 51A,
VID = 0.95V, Ch1: PHASE1, Ch2: V_O, Ch3:
PHASE2, Ch4: PHASE3
38
1000
900
800
700
600
500
400
300 ^TARGET
200
V_IN = 19V
V_IN = 12V
100
00
V_IN = 8V
5 10 15 20 25 30 35 40 45 50
I_OUT (A)
FIGURE 43. IMON, VID = 1.075V
FN7557.1
March 18, 2010