Datasheet

L5987 Electrical characteristics
Doc ID 14972 Rev 3 7/41
Error amplifier
V
CH
High level output voltage V
FB
< 0.6 V 3
V
V
CL
Low level output voltage V
FB
> 0.6 V 0.1
I
FB
Bias source current V
FB
= 0 V to 0.8 V 1 μA
I
O SOURCE
Source COMP pin
V
FB
= 0.5 V,
V
COMP
= 1 V
20 mA
I
O SINK
Sink COMP pin
V
FB
= 0.7 V,
V
COMP
= 1 V
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
= 2.9 V 0.7 0.9 mA
Master output amplitude I
SOURCE
= 4.5 mA 2.0 V
Output pulse width SYNCH floating 110
ns
Input pulse width 70
Protection
I
FBDISC
FB disconnection source
current
1 μA
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