ISL8014 View Datasheet(PDF) - Renesas Electronics
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ISL8014 Datasheet PDF : 17 Pages
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ISL8014
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 27. SOFT-START AT FULL LOAD
VOUT 0.5V/DIV
IL 1A/DIV
PG 5V/DIV
FIGURE 28. SOFT-DISCHARGE SHUTDOWN
LX 2V/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 1A/DIV
FIGURE 29. STEADY STATE OPERATION AT NO LOAD
WITH FREQUENCY = 2MHz
LX 2V/DIV
IL 1A/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 30. STEADY STATE OPERATION AT FULL
LOAD WITH FREQUENCY = 2MHz
LX 2V/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 0.5A/DIV
FIGURE 31. STEADY STATE OPERATION AT NO LOAD
WITH FREQUENCY = 4MHz
FN6576 Rev 4.00
November 23, 2009
LX 2V/DIV
IL 1A/DIV
SYNCH 2V/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 32. STEADY STATE OPERATION AT FULL
LOAD (PWM) WITH FREQUENCY = 4MHz
Page 10 of 17
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