NB675 –24V, HIGH CURRENT SYNCHRONOUS BUCK CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN =20V, VDDQ =1.35V, L=1.2µH, TJ=+25°C, unless otherwise noted.
V
V
DDQ
1V/div.
V
DDQ
DDQ
1V/div.
1V/div.
V
V
V
EN2
EN2
EN2
5V/div.
5V/div.
5V/div.
V
SW
20V/div.
V
V
SW
SW
5V/div.
20V/div.
I
I
L
L
10A/div.
2A/div.
I
L
10A/div.
V
DDQ
1V/div.
V
DDQ(AC)
V
DDQ
20mV/div.
500mV/div.
TTREF
500mV/div.
V
V
TTREF
500mV/div.
V
TT
500mV/div.
V
TT
500mV/div.
V
V
IN
IN
10V/div.
20V/div.
I
L
5A/div.
V
V
V
DDQ
DDQ
DDQ
1V/div.
1V/div.
1V/div.
V
V
V
TTREF
TTREF
TTREF
500mV/div.
500mV/div.
500mV/div.
V
V
TT
TT
500mV/div.
500mV/div.
V
TT
500mV/div.
V
EN1
V
2V/div.
EN1
V
EN2
5V/div.
5V/div.
NB675 Rev. 1.0
1/14/2013
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8
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