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)
EN 2V/DIV
EN 5V/DIV
VOUT 0.5V/DIV
IL 2A/DIV
PG 5V/DIV
FIGURE 25. SOFT-START AT FULL LOAD
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 26. SOFT-DISCHARGE SHUTDOWN
LX 2V/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 1A/DIV
FIGURE 27. STEADY STATE OPERATION AT NO LOAD WITH
FREQUENCY = 2MHz
LX 2V/DIV
IL 1A/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 28. STEADY STATE OPERATION AT FULL LOAD WITH
FREQUENCY = 2MHz
LX 2V/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 0.5A/DIV
FIGURE 29. STEADY STATE OPERATION AT NO LOAD WITH
FREQUENCY = 4MHz
FN7525 Rev 2.00
December 16, 2014
LX 2V/DIV
IL 1A/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 30. STEADY STATE OPERATION AT FULL LOAD (PWM)
WITH FREQUENCY = 4MHz
Page 10 of 16
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