ISL6264 Datasheet, PDF (12/24 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)
VR_ON
VR_ON
Vo
Vo
PGOOD
FIGURE 10. SOFT START WAVEFORM AT VID = 1.55V,
ILOAD = 0A
Vo
IL1, IL2
Phase1
PGOOD
FIGURE 11. PRE-BIASED VO SOFT START AT VID = 1.55V,
ILOAD = 0A
IL1
IL2
Vo
FIGURE 12. SOFT START WAVEFORM SHOWING CURRENT
SHARING AT VIN = 12.6V, VID = 1.2V AND
ILOAD = 36A
Vo
Phase 1
FIGURE 13. PHASE CURRENT BALANCE, ILOAD = 36A AND
VID = 1.55V
Vo
Phase 1
Vin
FIGURE 14. 8V TO19V INPUT LINE TRANSIENT RESPONSE
AT ILOAD = 5A AND VID = 1.15V
12
Vin
FIGURE 15. 19V TO >8V INPUT LINE TRANSIENT RESPONSE
AT ILOAD = 5A AND VID = 1.15V
FN6359.1
October 16, 2006