isl8036 Intersil Corporation, isl8036 Datasheet - Page 18

• 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 48. OUTPUT VOLTAGE REGULATION vs V
FIGURE 50. STEADY STATE OPERATION WITH FULL
FIGURE 52. STEADY STATE OPERATION AT NO LOAD
VOUT RIPPLE 20mV/DIV
1.820
1.815
1.810
1.805
1.800
1.795
1.790
2.5
1.8V, T
LOAD CHANNEL 1
CHANNEL 1 AND 2
3.0
A
= +25°C
INPUT VOLTAGE (V)
3.5
18
4A
4.0
6A
0A
4.5
LX1 2V/DIV
IL1 2A/DIV
IL1 1A/DIV
IL2 1A/DIV
LX1 5V/DIV
LX2 5V/DIV
ISL8036, ISL8036A
5.0
OUT
IN
= 1.8V, I
5.5
OUT1
FIGURE 49. STEADY STATE OPERATION AT NO LOAD
FIGURE 51. STEADY STATE OPERATION WITH FULL
FIGURE 53. STEADY STATE OPERATION AT FULL LOAD
IL2 1A/DIV
LX2 5V/DIV
IL1 1A/DIV
VOUT RIPPLE 20mV/DIV
LX1 5V/DIV
+ I
VOUT RIPPLE 20mV/DIV
OUT2
= 0A to 6A, F
CHANNEL 1
LOAD CHANNEL 2
CHANNEL 1 AND 2
SW
= 1MHz. (Continued)
IL1 0.5A/DIV
LX1 2V/DIV
LX2 2V/DIV
IL2 2A/DIV
October 18, 2010
FN6853.1