isl8036 Intersil Corporation, isl8036 Datasheet - Page 12

• Manufacturer Part Number: isl8036
• Description: Dual 3a 1mhz/2.5mhz High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

ISL8036 Typical Operating Performance for Dual PWM Operation
Unless otherwise noted, operating conditions are: V
F
FIGURE 20. SOFT-DISCHARGE SHUTDOWN CHANNEL 2
SW
FIGURE 16. SOFT-START WITH NO LOAD CHANNEL 2
FIGURE 18. SOFT-START AT FULL LOAD CHANNEL 2
IL2 0.5A/DIV
= 1MHz. (Continued)
PG2 5V/DIV
EN2 2V/DIV
12
VOUT2 0.5V/DIV
VOUT2 0.5V/DIV
VOUT2 0.5V/DIV
IL2 2A/DIV
PG2 5V/DIV
IL2 0.5A/DIV
EN2 2V/DIV
PG2 5V/DIV
EN2 2V/DIV
ISL8036, ISL8036A
OUT1
= 1.8V; V
OUT2
FIGURE 21. STEADY STATE OPERATION CHANNEL 1 AT
FIGURE 19. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
= 0.8V; I
FIGURE 17. SOFT-START AT FULL LOAD CHANNEL 1
LX1 2V/DIV
VOUT1 RIPPLE 20mV/DIV
IL1 1A/DIV
SYNCH 5V/DIV
OUT1
NO LOAD WITH F
= 0A to 3A; I
EN1 5V/DIV
PG1 5V/DIV
OUT2
= 0A to 3A,
SW
= 2.4MHz
VOUT1 0.5V/DIV
VOUT1 1V/DIV
IL1 0.5A/DIV
PG1 5V/DIV
EN1 2V/DIV
IL1 2A/DIV
October 18, 2010
FN6853.1