isl8033 Intersil Corporation, isl8033 Datasheet - Page 12

• Manufacturer Part Number: isl8033
• Description: Dual 3a Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

Typical Operating Performance ISL8033
Unless otherwise noted, operating conditions are: T
V
FIGURE 26. CHANNEL 2 STEADY STATE OPERATION AT
FIGURE 28. OUTPUT SHORT CIRCUIT RECOVERY
OUT1
= 1.2V, V
FULL LOAD WITH FREQUENCY = 6MHz
CHANNEL 1
OUT2
V
OUT2
= 1.8V, I
SYNCH 5V/DIV
IL2 2A/DIV
RIPPLE 20mV/DIV
LX2 2V/DIV
12
OUT1
FIGURE 30. OUTPUT SHORT CIRCUIT RECOVERY CHANNEL 2
= I
OUT2
V
= 0A to 3A. (Continued)
OUT1
IL1 2A/DIV
LX1 2V/DIV
PG 5V/DIV
A
ISL8033, ISL8033A
0.5V/DIV
= +25°C, V
IN
= 5V, EN = V
FIGURE 29. OUTPUT SHORT CIRCUIT CHANNEL 2
FIGURE 27. OUTPUT SHORT CIRCUIT CHANNEL 1
IN
, L1 = L2 = 1.5µH, C1 = C2 = C4 = 2x22µF,
V
OUT2
IL2 2A/DIV
LX2 2V/DIV
PG 5V/DIV
1V/DIV
V
OUT1
IL1 2A/DIV
V
OUT2
LX1 2V/DIV
PG 5V/DIV
IL2 2A/DIV
LX2 2V/DIV
PG 5V/DIV
October 21, 2010
0.5V/DIV
1V/DIV
FN6854.1