Datasheet

LM2578A, LM3578A
SNVS767E –AUGUST 2000–REVISED APRIL 2013 www.ti.com
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)
LM2578A/
Symbol Parameter Conditions LM3578A Units
Limit
(2)
DEVICE POWER CONSUMPTION
I
S
Supply Current Output OFF, V
E
= 0V 2.0 mA
3.5/4.0 mA (max)
Output ON, I
C
= 750 mA pulsed, 14 mA
V
E
= 0V
4 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM2578A LM3578A