ST890 ST Microelectronics, ST890 Datasheet - Page 3

• Manufacturer Part Number: ST890
• Description: 1.2A CURRENT LIMITED HIGH SIDE
• Manufacturer: ST Microelectronics

Table 6: Electrical Characteristics (V
ues are at T
Table 7: Timing Characteristics (V
ues are at T
Symbol
Symbol
I
(CCOFF)
I
V
T
T
O
t
V
V
I
R
I
RESP
t
V
PROT
HYST
I
HYST
MAX
I
V
I
t
V
SET
OFF
/I
ULO
OH
ON
V
CC
SET
SC
ON
I
OL
SET
IH
IL
I
I
Operating Voltage
ON Quiescent Supply
Current
OFF Quiescent Supply
Current
Undervoltage Lockout
Undervoltage Lockout
Hysteresys
ON Resistance
Reference Voltage to Turns
The Switch OFF
Maximum Output Current
Limit
Short Circuit Current Limit
I
ON Input Low Level Voltage V
ON Input High Level
Voltage
ON Input Leakage Current
I
FAULT Output Low Voltage I
FAULT Output High Voltage V
Thermal Protection
Thermal Hysteresys
Slow Current Loop
Response Time
Fast Current Loop
Response Time
Turn ON Time
Turn OFF Time
O
SET
to I
A
A
Bias Current
= 25 °C)
= 25 °C)
SET
Parameter
Parameter
Current Ratio
I
V
Rising Edge
V
V
I
I
V
V
V
V
20% Current Overdrive, V
V
V
V
D
ON=IN
ON=IN
O
O
SINK
I
I
I
I
I
I
I
SET
FAULT
I
I
I
IN
=1mA
= 5V,
= 4.5V
= 3V
=100mA V
=500mA V
= 2.7 to 5.5V
= 2.7 to 3.6V
= 4.5 to 5.5V
= 5.5V
= 5V,
= 3V,
= 5V
=3V, T
IN
=1mA V
= 1.24V I
=3V, T
=5.5V
A
ON=GND
V
V
I
I
O
O
Test Conditions
Test Conditions
I
I
O
SET
= T
SET
A
= V
= 5.5V
=500mA
=500mA
O
> 1.6V
= T
=0A
MIN
= 1.4V
OUT
rise until V
MIN
to T
=5.5V
V
to T
SET
CC
MAX
I
= 1V
MAX
= 5V
- V
I
V
V
O
, unless otherwise specified. Typical val-
O
I
O
=0
= V
, unless otherwise specified. Typical val-
=0
> 0.8V
O
1.178
Min.
Min.
970
2.0
2.0
2.4
2.7
1
1.2 I
1110
Typ.
1.24
0.15
Typ.
100
130
2.4
1.2
0.5
13
75
90
15
25
50
5
2
2
LIM
1.302
Max.
1300
Max.
120
130
5.5
2.6
0.8
25
50
10
1
5
1
3
1
ST890
Unit
Unit
mΩ
mV
µA
µA
µA
µA
µA
°C
°C
µs
µs
µs
µs
V
V
V
A
A
V
V
V
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