ISL6260, ISL6260B
Typical Operating Performance (Continued)
PSI#
CLK_EN#
Vout
PHASE 2
Phase 3 current
PHASE 1 CURRENT
PHASE 2
CURRENT
PHASE 2
FIGURE 31. ISL6260B PHASE ADDING AND DROPPING IN
DEEPER SLEEP MODE, LOAD CURRENT = 4.35A
FIGURE 32. ISL6260B, INDUCTOR CURRENT WAVEFORM
WITH PHASE ADDING AND DROPPING IN DCM
OR DEEPER SLEEP MODE
PHASE 3
CURRENT
PHASE 1 CURRENT
PHASE 2 CURRENT
PHASE 2
FIGURE 33. ISL6260B, INDUCTOR CURRENT WAVEFORM
WITH PHASE ADDING AND DROPPING IN CCM
OR ACTIVE MODE
PHASE 1 CURRENT
PHASE 2 CURRENT
Pgood
FIGURE 34. ISL6260B, OVERCURRENT DUE TO PHASE
DROPPING
11
FN9162.1
January 3, 2006