ISL6264 Datasheet, PDF (13/24 Pages) Intersil Corporation – Two-Phase Core Controller for AMD Mobile Turion CPUs

ISL6264
Typical Performance Curves (0.36µH filter inductor, 4 x 330µF output SP caps and 32 x 22µF ceramic caps) (Continued)
Io
COMP
Io
Vo
Vo
Phase1
FIGURE 16. LOAD APPLICATION RESPONSE AT 2-PHASE
CCM, VIN = 19V, ILOAD = 10A→46A, AND
VID = 1.15V
COMP
Phase1
FIGURE 17. LOAD RELEASE RESPONSE AT 2-PHASE CCM,
VIN = 19V, ILOAD = 46A→10A, AND VID = 1.15V
Vo
Vo
Phase1
COMP
Phase1
COMP
FIGURE 18. LOAD APPLICATION RESPONSE AT 1-PHASE DE
MODE, ILOAD = 4A→19A, PSI_L = 0, AND VID = 1V
Ch1:soft
Ch2: Vo
PGOOD
VID4
FIGURE 20. VID TRANSITION RESPONSE AT 2-PHASE CCM
MODE, VIN = 12.6V AND VID = 1.55V←→ 1.15V
13
FIGURE 19. LOAD RELEASE RESPONSE AT 1-PHASE DE
MODE, ILOAD = 19A→4A, PSI_L = 0, AND VID = 1V
Ugate
Lgate
FIGURE 21. GATE DRIVER WAVEFORMS AT VIN = 8V,
ILOAD = 40A, 2-PHASE MODE. 2 X IRF7821 AS
UPPER DEVICE AND 2 X IRF7832 AS LOWER
DEVICE
FN6359.1
October 16, 2006