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ISL65426_07 Datasheet, PDF (12/22 Pages) Intersil Corporation – 6A Dual Synchronous Buck Regulator with Integrated MOSFETs
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ISL65426
Typical Performance Curves
Circuit of Figure 2. VIN = 5V, IOUT1 = 4A, IOUT2 = 2A, TA = -10°C to +100°C unless otherwise
noted. Typical values are at TA = +25°C. (Continued)
EN1 5V/DIV
EN1 5V/DIV
VOUT1 500mV/DIV
VOUT1 500mV/DIV
IL1 1A/DIV
PG1 5V/DIV
FIGURE 22. START-UP VOUT1 = 1.2V (NO LOAD)
EN1 5V/DIV
VOUT1 500mV/DIV
IL1 2A/DIV
PG1 5V/DIV
FIGURE 24. START-UP VOUT1 = 1.2V (FULL LOAD)
EN2 5V/DIV
VOUT2 1V/DIV
IL1 1A/DIV
PG1 5V/DIV
FIGURE 23. START-UP VOUT1 = 1.2V (UNDER PRE-BIASED)
EN1 5V/DIV
VOUT1 500mV/DIV
IL1 1A/DIV
POK1 5V/DIV
FIGURE 25. SHUTDOWN VOUT1 = 1.2V
EN2 5V/DIV
VOUT2 1V/DIV
IL2 1A/DIV
PG2 5V/DIV
FIGURE 26. START-UP VOUT2 = 3.3V (NO LOAD)
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IL2 1A/DIV
PG2 5V/DIV
FIGURE 27. START-UP VOUT2 = 3.3V (UNDER PRE-BIASED)
FN6340.2
February 21, 2007
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