ISL8016
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 5V,
EN = 3.3V, SYNCIN = VIN, L = 1.0µH, C1 = 2x22µF, C2 = 4x22µF, VOUT = 1.8V, IOUT = 0A to 6A. (Continued)
EN 2V/DIV
VOUT 1V/DIV
IL 1A/DIV
PG 5V/DIV
EN 2V/DIV
VOUT 1V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 23. SOFT-START AT NO LOAD (PFM)
FIGURE 24. SOFT-START WITH PRE-BIASED 1V
EN 2V/DIV
VOUT 1V/DIV
IL 2A/DIV
PG 5V/DIV
FIGURE 25. SOFT-START AT FULL LOAD
PHASE 5V/DIV
VOUT RIPPLE 20mV/DIV
IL 0.5A/DIV
SYNC 5V/DIV
FIGURE 27. STEADY STATE OPERATION AT NO LOAD WITH
FREQUENCY = 2MHz
FN7616 Rev 1.00
May 5, 2011
EN 2V/DIV
VOUT 1V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 26. SOFT-DISCHARGE SHUTDOWN
PHASE 5V/DIV
VOUT RIPPLE 20mV/DIV
IL 2A/DIV
SYNC 5V/DIV
FIGURE 28. STEADY STATE OPERATION AT FULL LOAD WITH
FREQUENCY = 2MHz
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