ISL8013 Просмотр технического описания (PDF) - Intersil
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ISL8013 Datasheet PDF : 16 Pages
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ISL8013
Typical Operating Performance (Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 2.5V to 5.5V, EN = VIN,
SYNCH = 0V, L = 1.5µH, C1 = 2x22µF, C2 = 2x22µF, IOUT = 0A to 3A). (Continued)
LX 2V/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 21. MODE TRANSITION DCM TO CCM
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 22. LOAD TRANSIENT (PWM)
LX 2V/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 23. LOAD TRANSIENT (PFM)
EN 5V/DIV
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 24. SOFT-START WITH NO LOAD (PWM)
EN 5V/DIV
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 25. SOFT-START AT NO LOAD (PFM)
10
EN 5V/DIV
VOUT 0.5V/DIV
IL 5A/DIV
PG 5V/DIV
FIGURE 26. SOFT-START WITH PRE-BIASED 1V
FN6309.1
December 27, 2007
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