STEF12 STMicroelectronics, STEF12 Datasheet - Page 13

• 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

STEF12
Figure 13. Current limit vs. R
Figure 15. V
V
Figure 17. Line transient
V
CC
CC
9.00
8.00
7.00
6.00
5.00
4.00
3.00
2.00
1.00
0.00
C
= 100 µs
= 12 V, C
= from 12 to 18 V R
dv/dt,
0
T = 25°C
10
IN
= 10 µF, C
OUT
20
ramp-up vs. Enable
LIMIT
External Sensing Resistor (Ω)
30
OUT
= 22 Ω; I
= 10 µF, R
40
V
CC
= 12 V, T = 25 °C
OUT
Limit
50
LIMIT
= 500 mA, T
= 22 Ω, No
60
ISHORT
ILIM
Doc ID 019056 Rev 4
70
RISE
AM09889v1
80
Figure 14. Thermal latch delay vs. power
Figure 16. V
V
Figure 18. Startup into output short-circuit
V
CC
CC
800
0.8
80
8
= 18 V, C
= 12 V, R
0
IN
LIMIT
10
Typical performance characteristics
= 10 µF, R
OUT
= 22 Ω, V
clamping
20
LIMIT
OUT
Power (W)
= 22 Ω, No C
= Connected to GND
30
40
dv/dt
,T = 25°C
T=25 °C
T=55 °C
T=85 °C
50
AM09890v1
13/20
60