Datasheet

L7981 Electrical characteristics
Doc ID 15182 Rev 3 7/44
V
CH
High level output voltage V
FB
<0.6V 3
V
V
CL
Low level output voltage V
FB
>0.6V 0.1
I
O SOURCE
Source COMP pin V
FB
=0.5V, V
COMP
=1V 17 mA
I
O SINK
Sink COMP pin V
FB
=0.7V, V
COMP
=1V 25 mA
G
V
Open loop voltage gain
(2)
100 dB
Synchronization function
High input voltage 2 3.3
V
Low input voltage 1
Slave sink current V
SYNCH
=2.9V 0.7 0.9 mA
Master output amplitude I
SOURCE
=4.5mA 2.0 V
Output pulse width SYNCH floating 110
ns
Input pulse width 70
Protection
T
SHDN
Thermal shutdown 150
°C
Hysteresis 30
1. Specification referred to T
J
from -40 to +125°C. Specification in the -40 to +125°C temperature range are
assured by design, characterization and statistical correlation.
2. Guaranteed by design.
Table 4. Electrical characteristics (continued)
Symbol Parameter Test condition
Values
Unit
Min Typ Max