8014AIRZ 查看數據表（PDF） - Renesas Electronics
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8014AIRZ Datasheet PDF : 16 Pages
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ISL8014A
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 4A. (Continued)
LX 2V/DIV
VOUT RIPPLE 50mV/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 19. MODE TRANSITION DCM TO CCM
LX 2V/DIV
IL 1A/DIV
FIGURE 20. LOAD TRANSIENT (PWM)
EN 5V/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 21. LOAD TRANSIENT (PFM)
EN 5V/DIV
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 23. SOFT-START AT NO LOAD (PFM)
FN7525 Rev 2.00
December 16, 2014
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 22. SOFT-START WITH NO LOAD (PWM)
EN 5V/DIV
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 24. SOFT-START WITH PRE-BIASED 1V
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