ISL6227_07 Datasheet, PDF (7/28 Pages) Intersil Corporation – Dual Mobile-Friendly PWM Controller with DDR Option

ISL6227
Typical Operation Performance (Continued)
Vin1
Vo1
Vo2
Vin1
Vo1
Vo2
FIGURE 13. INPUT STEP-DOWN TRANSIENT AT PWM MODE
FIGURE 14. INPUT STEP-DOWN TRANSIENT AT HYS MODE
EN1
PG1
SOFT1
Vo1
FIGURE 15. SOFT-START INTERVAL AT ZERO INITIAL
VOLTAGE OF VO
Vo1
Vphase1
Ilo1
Vo2
FIGURE 17. OPERATION AT LIGHT LOAD OF 100mA,
CHANNEL 1
7
EN1
PG1
SOFT1
Vo1
FIGURE 16. SOFT-START INTERVAL WITH NON-ZERO INITIAL
VOLTAGE OF VO
Vo1
Vphase1
Ilo1
Vo2
FIGURE 18. OPERATION AT HEAVY LOAD OF 4A,
CHANNEL 1
FN9094.4
December 21, 2006