Datasheet

L4949ED-E, L4949EP-E Electrical specifications
Doc ID 16823 Rev 2 9/19
Table 7. Sense
Symbol Parameter Test condition Min. Typ. Max. Unit
V
st
Sense low threshold 1.16 1.23 1.35 V
V
sth
Sense threshold hysteresis 20 100 200 mV
V
SL
Sense output low voltage
V
SI
≤ 1.16 V; V
S
≥ 3V
R
SO
= 10 KΩ to V
O
0.4 V
I
SH
Sense output leakage V
SO
= 5 V; V
SI
≥ 1.5 V 1 µA
I
SI
Sense input current V
SI
= 0 -20 -8 -3 µA
Table 8. Preregulator
Symbol Parameter Test condition Min. Typ. Max. Unit
V
Z
Preregulator output voltage I
Z
= 10 µA 4.5 5 6 V
I
Z
Preregulator output current 10 µA