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)
SYNCH 5V/DIV
VOUT2 RIPPLE 20mV/DIV
IL2 1A/DIV
LX2 2V/DIV
FIGURE 22. STEADY STATE OPERATION CHANNEL 2 AT NO LOAD
WITH FSW = 2.4MHz
LX2 2V/DIV
SYNCH 5V/DIV
VOUT1 RIPPLE 20mV/DIV
IL1 2A/DIV
LX1 2V/DIV
FIGURE 23. STEADY STATE OPERATION CHANNEL 1 AT FULL LOAD
WITH FSW = 2.4MHz
SYNCH 5V/DIV
IL2 2A/DIV
VOUT2 RIPPLE 20mV/DIV
FIGURE 24. STEADY STATE OPERATION CHANNEL 2 AT FULL LOAD
WITH FSW = 2.4MHz
LX2 2V/DIV
SYNCH 5V/DIV
LX1 2V/DIV
VOUT1 RIPPLE 20mV/DIV
IL1 2A/DIV
FIGURE 25. STEADY STATE OPERATION CHANNEL 1 AT NO LOAD
WITH FSW = 6MHz
PHASE1 5V/DIV
VOUT2 RIPPLE 20mV/DIV
IL2 2A/DIV
SYNCH 5V/DIV
FIGURE 26. STEADY STATE OPERATION CHANNEL 2 AT NO LOAD
WITH FSW = 5MHz
FN6853 Rev 3.00
August 17, 2012
VOUT1 1V/DIV
PG1 5V/DIV
IL1 1A/DIV
FIGURE 27. OUTPUT SHORT CIRCUIT CHANNEL 1
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