ISL8036, ISL8036A
ISL8036 Typical Operating Performance for Dual PWM Operation
Unless otherwise noted, operating conditions are: VOUT1 = 1.8V; VOUT2 = 0.8V; IOUT1 = 0A to 3A; IOUT2 = 0A to 3A, FSW = 1MHz. (Continued)
EN2 2V/DIV
EN1 2V/DIV
VOUT2 0.5V/DIV
VOUT1 1V/DIV
IL2 0.5A/DIV
IL1 2A/DIV
PG2 5V/DIV
FIGURE 16. SOFT-START WITH NO LOAD CHANNEL 2
PG1 5V/DIV
FIGURE 17. SOFT-START AT FULL LOAD CHANNEL 1
EN2 2V/DIV
VOUT2 0.5V/DIV
IL2 2A/DIV
PG2 5V/DIV
FIGURE 18. SOFT-START AT FULL LOAD CHANNEL 2
EN1 5V/DIV
PG1 5V/DIV
VOUT1 0.5V/DIV
IL1 0.5A/DIV
FIGURE 19. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
IL2 0.5A/DIV
EN2 2V/DIV
VOUT2 0.5V/DIV
PG2 5V/DIV
FIGURE 20. SOFT-DISCHARGE SHUTDOWN CHANNEL 2
LX1 2V/DIV
SYNCH 5V/DIV
VOUT1 RIPPLE 20mV/DIV
IL1 1A/DIV
FIGURE 21. STEADY STATE OPERATION CHANNEL 1 AT NO LOAD
WITH FSW = 2.4MHz
FN6853 Rev 3.00
August 17, 2012
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