STEF12 STMicroelectronics, STEF12 Datasheet - Page 12

• Manufacturer Part Number: STEF12
• Description: Electronic fuse for 12 V line
• Manufacturer: STMicroelectronics

Specifications of STEF12

• Continuous Current (typ): 3.6 A
• N-channel On-resistance (typ): 53 mΩ
• Output Clamp Voltage (typ): 15 V
• Thermal Latch (typ): 165 °C

Typical performance characteristics
6
12/20
Figure 7.
Figure 9.
Figure 11. Bias current (device operational)
16.5
15.5
14.5
13.5
2.5
1.5
0.5
1.4
1.2
0.8
0.6
0.4
0.2
16
15
14
3
2
1
0
1
-40
-40
-40
Typical performance characteristics
The following plots are referred to the typical application circuit and, unless otherwise noted,
at T
Clamping voltage vs. temperature
UVLO hysteresis vs. temperature
-25
-25
-25
A
= 25 °C.
0
0
0
V
V
CC
CC
= 12 V, R
from 12 to 0 V, R
Temperature °C
25
Temperature °C
Temperature °C
25
25
V
CC
LIMIT
= 18 V
55
55
55
= 15 Ω
LIMIT
85
= 15 Ω
85
85
125
125
125
Doc ID 019056 Rev 4
AM09887v1
150
AM09883v1
150
150
AM09885v1
Figure 8.
Figure 10. Off-state voltage vs. temperature
Figure 12. ON resistance vs. temperature
250
200
150
100
50
90
80
70
60
50
40
30
20
9.5
9.3
9.1
8.9
8.7
8.5
8.3
8.1
7.9
7.7
7.5
0
-40
-40
-40
UVLO voltage vs. temperature
-25
-25
-25
V
CC
0
V
0
= 12 V, R
CC
V
0
= from 0 to 12 V, R
CC
= 18 V, V
Temperature °C
Temperature °C
25
Temperature °C
25
LIMIT
25
GS
= 15 Ω, I
= 0, R
55
55
LIMIT
L
55
= infinite
LOAD
= 15 Ω
85
85
= 1 A
85
125
125
STEF12
AM09884v1
150
125
AM09888v1
150
AM09886v1