Intersil ISL68200 Series, User Manual

Page: 13 / 22

UG067 Rev.2.00 Page 13 of 22
Aug 23, 2017
ISL68200DEMO1Z
FIGURE 19. V
OUT
RAMP-UP FROM 0.5V TO 1V IN PWM MODE
(CH1-V
OUT
, CH2-PHASE)
FIGURE 20. V
OUT
RAMP-DOWN FROM 1V TO 0.5V IN PWM MODE
(CH1-V
OUT
, CH2-PHASE)
FIGURE 21. V
OUT
RAMP-UP FROM 0.5V TO 1V IN PFM MODE
(CH1-V
OUT
, CH2-PHASE)
FIGURE 22. V
OUT
RAMP-DOWN FROM 1V TO 0.5V IN PFM MODE
(CH1-V
OUT
, CH2-PHASE)
FIGURE 23. STEP RESPONSE AT PWM MODE, V
OUT
= 1V,
f
SW
= 400kHz, LOAD PROFILE: 0.25A TO 12.75A AT
25A/µs (CH1-VOUT, CH2-LOAD)
FIGURE 24. STEP RESPONSE AT PFM ENABLED MODE, V
OUT
= 1V,
f
SW
= 400kHz, LOAD PROFILE: 0.25A TO 12.75A AT
25A/µs (CH1-VOUT, CH2-LOAD)
Measured Data
The following data was acquired using a ISL68200DEMO1Z board. (Continued)
100µs/DIV
100mV/DIV
10V/DIV
100µs/DIV
100mV/DIV
10V/DIV
100µs/DIV
100mV/DIV
10V/DIV
100µs/DIV
100mV/DIV
10V/DIV
20µs/DIV
20mV/DIV
10A/DIV
20µs/DIV
20mV/DIV
10A/DIV