ISL6262A Datasheet, PDF (12/28 Pages) Intersil Corporation – Two-Phase Core Controller Santa Rosa, IMVP-6+

ISL6262A
Typical Performance Curves 0.36µH Filter Inductor and 4 x 330µF Output SP Caps and 24 x 22µF Ceramic Caps (Continued)
DPRSLPVR
V_OUT
C4 ENTRY WITH
PSI# ASSERTION
DPRSLPVR
V_OUT
C4 EXIT/PHASE ADD
PHASE1
PHASE2
FIGURE 20. C4 ENTRY WITH VID CHANGE 0011X00 FROM
1.2V TO 1.15V, I_LOAD = 2A, TRANSITION OF
2-CCM TO 1-DCM, PSI# TOGGLE FROM 1 TO 0
WITH DPRSLPVR FROM 0 TO 1
PHASE1
PHASE2
FIGURE 21. VID3 CHANGE OF 010X000 FROM 1V TO 1.1V
WITH DPRSLPVR = 0, DPRSTP# = 1, PSI# = 1
DDPPRRSTPP##
D^DP^PR^RS^SL^LP^PV^VRR
VI^VD^ID6⁶
DPRSLPVR
V_OUT
C4 ENTRY WITH PSI# = 0
V^VcCoOrReE
FIGURE 22. SLOW C4 EXIT WITH DELAY OF DPRSLPVR,
FROM VID1000000 (0.7V) TO 0110000 (0.9V)
PHASE1
PHASE2
FIGURE 23. C4 ENTRY WITH VID CHANGE OF 011X011 FROM
0.8625V TO 0.7625V, I_LOAD = 3A, 1-CCM TO
1-DCM
V_OUT
PGOOD
IL1, IL2
PGOOD
PHASE1
V_OUT
FIGURE 24. OVERCURRENT PROTECTION
12
FIGURE 25. 1.7V OVERVOLTAGE PROTECTION SHOWS
OUTPUT VOLTAGE PULLED LOW TO 0.9V AND
PWM THREE-STATE
FN6343.1
December 23, 2008