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| ISL65426 Datasheet, PDF (13/22 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)
EN2 5V/DIV
VOUT2 1V/DIV
IL2 1A/DIV
VOUT1 RIPPLE 20mV/DIV
IOUT1 1A/DIV
PG2 5V/DIV
FIGURE 28. START-UP VOUT2 = 3.3V (FULL-LOAD)
VOUT1 RIPPLE 20mV/DIV
IOUT1 500mA/DIV
VOUT2 RIPPLE 50mV/DIV
FIGURE 30. VOUT1 = 1.2V LOAD TRANSIENT
LX1 5V/DIV
VOUT2 RIPPLE 20mV/DIV
FIGURE 29. VOUT1 = 1.2V LOAD TRANSIENT
LX1 5V/DIV
VOUT1 500mV/DIV
IL1 5A/DIV
PG1 5V/DIV
FIGURE 31. VOUT1 = 1.2V OUTPUT SHORT CIRCUIT
LX2 5V/DIV
VOUT1 500mV/DIV
IL1 5A/DIV
PG1 5V/DIV
FIGURE 32. VOUT1 = 1.2V OUTPUT SHORT CIRCUIT
RECOVERY
13
IL2 5A/DIV
VOUT2 1V/DIV
PG2 5V/DIV
FIGURE 33. VOUT2 = 3.3V OUTPUT SHORT CIRCUIT
FN6340.1
November 14, 2006
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