isl8036 Intersil Corporation, isl8036 Datasheet - Page 19

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

ISL8036 Typical Operating Performance for Current Sharing PWM
Operation
Unless otherwise noted, operating conditions are: V
FIGURE 58. STEADY STATE OPERATION CH1 AT NO
FIGURE 56. SOFT-START AT FULL LOAD CHANNEL 1
LX1 2V/DIV
VOUT RIPPLE 20mV/DIV
IL1 1A/DIV
SYNC 5V/DIV
VOUT RIPPLE 50mV/DIV
FIGURE 54. LOAD TRANSIENT CHANNEL 1
LOAD WITH F
19
SW
= 3MHz
EN1 2V/DIV
VOUT 1V/DIV
IL1 2A/DIV
PG1 5V/DIV
IL1 2A/DIV
ISL8036, ISL8036A
OUT
= 1.8V, I
OUT1
FIGURE 59. STEADY STATE OPERATION CH1 AT FULL
FIGURE 57. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
FIGURE 55. SOFT-START WITH NO LOAD CHANNEL 1
IL1 2A/DIV
VOUT RIPPLE 20mV/DIV
SYNC 5V/DIV
+ I
OUT2
= 0A to 6A, F
LOAD WITH F
SW
SW
= 1MHz. (Continued)
= 3MHz
VOUT 0.5V/DIV
VOUT 1V/DIV
LX1 2V/DIV
IL1 0.5A/DIV
IL1 0.5A/DIV
PG1 5V/DIV
EN1 2V/DIV
EN1 5V/DIV
PG1 5V/DIV
October 18, 2010
FN6853.1