ISL6260CCRZ Datasheet, PDF (12/28 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6+ Mobile CPUs

ISL6260C
Typical Operating Performance (Continued)
PSI#
CLK_EN#
V_OUT
PHASE 2
PHASE 3 CURRENT
PHASE 1 CURRENT
PHASE 2
CURRENT
PHASE 2
FIGURE 31. ISL6260C PHASE ADDING AND DROPPING IN
DEEPER SLEEP MODE, LOAD CURRENT = 4.35A
FIGURE 32. ISL6260C, INDUCTOR CURRENT WAVEFORM
WITH PHASE ADDING AND DROPPING IN DCM
OR DEEPER SLEEP MODE
PHASE 3
CURRENT
PHASE 1 CURRENT
PHASE 2 CURRENT
FIGURE 33. ISL6260C, INDUCTOR CURRENT WAVEFORM
WITH PHASE ADDING AND DROPPING IN CCM
OR ACTIVE MODE
1.8
1.6
19V, 1.15V, 40A
7Ω
1.4
1.2
19V, 1.15V, 30A
1.0
0.8
19V, 1.15V, 20A
0.6
0.4
19V, 1.15V, 10A
0.2
19V, 1.15V, 5A
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
CURRENT SOURCING (mA)
FIGURE 35. POWER MONITOR CURRENT SOURCING
CAPABILITY
12
PHASE 1 CURRENT
PHASE 2 CURRENT
PGOOD
FIGURE 34. ISL6260C, OVERCURRENT DUE TO PHASE
DROPPING
0.8
0.7
VID = 1.15V, I_OUT = 15A
0.6
0.5 VID = 1.15V, I_OUT = 10A
0.4
180Ω
0.3
0.2
VID = 1.15V, I_OUT = 5A
0.1
VID = 1.15V, I_OUT = 2.5A
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
CURRENT SINKING (mA)
FIGURE 36. POWER MONITOR CURRENT SINKING
CAPABILITY
FN9259.3
June 21, 2010