isl6260c Intersil Corporation, isl6260c Datasheet - Page 12

• Manufacturer Part Number: isl6260c
• Description: Multiphase Pwm Regulator For Imvp-6 Mobile Cpus
• Manufacturer: Intersil Corporation

Typical Operating Performance
FIGURE 31. ISL6260C PHASE ADDING AND DROPPING IN
FIGURE 33. ISL6260C, INDUCTOR CURRENT WAVEFORM
FIGURE 35. POWER MONITOR CURRENT SOURCING
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
DEEPER SLEEP MODE, LOAD CURRENT = 4.35A
WITH PHASE ADDING AND DROPPING IN CCM
OR ACTIVE MODE
CAPABILITY
19V, 1.15V, 40A
19V, 1.15V, 30A
19V, 1.15V, 20A
19V, 1.15V, 10A
19V, 1.15V, 5A
PHASE 1 CURRENT
1.0
PHASE 2 CURRENT
PSI#
PHASE 2
CURRENT SOURCING (mA)
2.0
3.0
12
V
OUT
4.0
CLK_EN#
PHASE 3
CURRENT
5.0
(Continued)
6.0
7Ω
7.0
ISL6260C
FIGURE 32. ISL6260C, INDUCTOR CURRENT WAVEFORM
FIGURE 34. ISL6260C, OVERCURRENT DUE TO PHASE
FIGURE 36. POWER MONITOR CURRENT SINKING
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.00
0.0
WITH PHASE ADDING AND DROPPING IN DCM
OR DEEPER SLEEP MODE
DROPPING
CAPABILITY
VID = 1.15V, I
0.5
PHASE 2 CURRENT
PHASE 2 CURRENT
VID = 1.15V, I
1.0
PHASE 2
VID = 1.15V, I
PGOOD
CURRENT SINKING (mA)
PHASE 2
CURRENT
OUT
1.5
VID = 1.15V, I
PHASE 3 CURRENT
PHASE 1 CURRENT
PHASE 1 CURRENT
= 10A
PHASE 1 CURRENT
2.0
OUT
OUT
= 15A
2.5
= 2.5A
180Ω
OUT
3.0
= 5A
3.5
4.0
March 6, 2009
4.5
FN9259.2