Datasheet

ST890 Maximum rating
Doc ID 8649 Rev 9 7/21
Table 8. Electrical characteristics
Symbol Parameter
Test condition
(1)
Value
Unit
T
A
= 25 °C
Min. Typ. Max.
V
I
Operating voltage I
D
=1mA 2.7 5.5 V
I
CC
ON quiescent supply current
V
I
=5V,
ON
=GND
I
O
=0
13 25 μA
I
(CCOFF)
OFF quiescent supply current
ON
=IN
V
I
=V
OUT
=5.5V
1
μA
ON
=IN
V
I
=5.5V
V
O
=0
5
V
ULO
Undervoltage lockout
Rising edge 2.0 2.4 2.6
V
V
HYST
Undervoltage lockout
hysteresis
100
mV
R
ON
ON resistance
V
I
= 4.5 V 75 120 mΩ
V
I
= 3 V 90 130 mΩ
V
SET
Reference voltage to turn the
switch OFF
I
O
= 100 mA
V
SET
rise until V
I
-V
O
> 0.8 V
1.178 1.24 1.302
V
I
MAX
Maximum programmable
output over current limit
1.2
A
I
SC
Short-circuit current limit
V
I
= 5 V, OUT connected to GND,
device enabled into short-circuit
1.2 I
LIM
1.5 I
LIM
A
I
LIM
/I
SET
I
LIM
to I
SET
current ratio
I
O
= 500 mA
V
O
>1.6V
970 1110 1300
V
IL
ON input low level voltage V
I
= 2.7 to 5.5 V 0.8 V
V
IH
ON input high level voltage
V
I
= 2.7 to 3.6 V 2.0 V
V
I
= 2.7 to 5.5 V 2.4 V
I
I
ON input leakage current V
I
=5.5V 1 μA
I
SET
bias I
SET
bias current
V
SET
=1.24V
I
O
=0
A
V
I
=V
O
0.5 3 μA
V
OL
FAULT output low voltage
I
SINK
=1 mA
V
SET
= 1.4 V
0.15 V
I
OH
FAULT output leakage current.
V
FAULT
=5.5V
V
SET
= 1V
1 μA
T
PROT
Thermal protection 130 °C
T
HYST
Thermal hysteresis 15 °C
1. V
IN
=3V, T
A
=T
MIN
to T
MAX
, unless otherwise specified. Typical values are at T
A
=25 °C.