ISL8012 Ver la hoja de datos (PDF) - Renesas Electronics
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ISL8012 Datasheet PDF : 17 Pages
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ISL8012
Typical Operating Performance (Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 2.5V to 5.5V,
EN = VIN, MODE = 0V, L = 2.2µH, C1 = 2x10µF, C2 = 2x10µF, IOUT = 0A to 2A). (Continued)
LX 2V/DIV
VOUT RIPPLE
20mV/DIV
IL 0.5A/DIV
FIGURE 15. STEADY STATE OPERATION AT NO LOAD (PWM),
(1µs/DIV)
LX 2V/DIV
VOUT RIPPLE
20mV/DIV
IL 0.5A/DIV
FIGURE 16. STEADY STATE OPERATION AT NO LOAD (PFM),
(1µs/DIV)
LX 2V/DIV
IL 0.5A/DIV
VOUT RIPPLE
20mV/DIV
FIGURE 17. STEADY STATE OPERATION WITH FULL LOAD,
(5µs/DIV)
LX 2V/DIV
VOUT RIPPLE
50mV/DIV
IL 0.5A/DIV
FIGURE 18. MODE TRANSITION CCM TO DCM, (5µs/DIV)
VOUT RIPPLE
50mV/DIV
LX 2V/DIV
IL 0.5A/DIV
FIGURE 19. MODE TRANSITION DCM TO CCM, (50µs/DIV)
FN6616 Rev 2.00
December 1, 2011
IL 1A/DIV
VOUT RIPPLE
50mV/DIV
FIGURE 20. LOAD TRANSIENT (PWM), (50µs/DIV)
Page 9 of 17
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