ISL6227
Typical Operation Performance (Continued)
VVDDDDQQ
PPGGOOOODD11
VVTTTT
IILL11
FIGURE 25. VIN = 19V, VDDQ 3A STEP LOAD, VTT 0A LOAD
VVDDDDQQ
PGOOOODD11
VVTTTT
ILIL11
FIGURE 26. VIN = 19V, VDDQ 3A STEP LOAD, VTT 3A LOAD
VVDDDDQQ
VVTTTT
OOCCSSEETT22
ILI2L2
FIGURE 27. VIN = 19V, LOAD STEP ON VTT,
VDDQ HYS MODE, 0.14A
VVDDDQQ
VVinIN
VVTTTT
OOCCSSEETT22
FIGURE 29. INPUT LINE TRANSIENT IN DDR MODE
FN9094 Rev 7.00
May 4, 2009
VVDDDQ
VVTTTT
OOCCSSEETT22
ILIL22
FIGURE 28. VIN = 19V, LOAD STEP ON VTT,
VDDQ PWM MODE, 0.14A
VVTTTT
ENN11
VVDDDDQQ
IIL11
FIGURE 30. VTT FOLLOWS VDDQ, ENABLE 2 IS HIGH
Page 9 of 27