SNVS767E – AUGUST 2000 – REVISED APRIL 2013
Electrical Characteristics (continued)
These specifications apply for 2V
≤
V
IN
≤
40V (2.2V
≤
V
IN
≤
40V for T
J
≤ −25°C),
timing capacitor C
T
= 3900 pF, and 25%
≤
duty cycle
≤
75%, unless otherwise specified. Values in standard typeface are for T
J
= 25°C; values in
boldface type
apply
for operation over the specified operating junction temperature range.
Typical
(1)
Symbol
Parameter
Conditions
LM2578A/
LM3578A
Limit
(2)
mA
3.5/4.0
Output ON, I
C
= 750 mA pulsed,
V
E
= 0V
14
mA (max)
mA
Units
DEVICE POWER CONSUMPTION
I
S
Supply Current
Output OFF, V
E
= 0V
2.0
4
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