ISL6264 Datasheet, PDF (14/24 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)
Ugate
Lgate
Phase1
FIGURE 22. GATE DRIVER WAVEFORMS AT VIN = 8V,
ILOAD = 40A, 2 X IRF7821 AS UPPER MOSFET
AND 2 X IRF7832 AS LOWER MOSFET
Vo
PSI_L
Phase1
Phase2
FIGURE 23. PHASE NODE JITTER PERFORMANCE AT
VIN = 19V, ILOAD = 40A AND VID = 1.55V
PSI_L
Vo
Phase1
Phase2
FIGURE 24. DEEPER SLEEP MODE ENTRY WITH PSI_L
TOGGLING FROM HIGH TO LOW AND VID FROM
1.15V TO 0.95V
Vo
PSI_L
Phase1
Phase2
FIGURE 26. TRANSITION FROM 1-DE TO 2-CCM VIA PSI_L
TOGGLING FROM LOW TO HIGH AND
ILOAD = 2A
14
FIGURE 25. DEEPER SLEEP MODE EXIT WITH PSI_L
TOGGLING FROM LOW TO HIGH AND VID FROM
0.95V TO 1.15V
Vo
Phase1
PSI_L
Phase2
FIGURE 27. TRANSITION FROM 2-CCM TO 1-DE VIA PSI_L
TOGGLING FROM HIGH TO LOW AND
ILOAD = 2A
FN6359.1
October 16, 2006