isl8036 Intersil Corporation, isl8036 Datasheet - Page 11

• 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 10. STEADY STATE OPERATION AT NO LOAD
FIGURE 12. STEADY STATE OPERATION WITH FULL
SW
VOUT RIPPLE 20mV/DIV
VOUT2 RIPPLE 20mV/DIV
VOUT2 RIPPLE 20mV/DIV
= 1MHz. (Continued)
FIGURE 14. LOAD TRANSIENT CHANNEL 2
CHANNEL 2
LOAD CHANNEL 2
11
LX2 2V/DIV
IL2 0.5A/DIV
LX2 2V/DIV
IL2 2A/DIV
IL2 2A/DIV
ISL8036, ISL8036A
OUT1
= 1.8V; V
OUT2
FIGURE 11. STEADY STATE OPERATION WITH FULL
= 0.8V; I
FIGURE 15. SOFT-START WITH NO LOAD CHANNEL 1
VOUT RIPPLE 50mV/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 13. LOAD TRANSIENT CHANNEL 1
OUT1
LOAD CHANNEL 1
= 0A to 3A; I
IL1 2A/DIV
OUT2
= 0A to 3A,
IL1 2A/DIV
LX1 2V/DIV
IL1 0.5A/DIV
VOUT 1V/DIV
PG1 5V/DIV
EN1 2V/DIV
October 18, 2010
FN6853.1