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STEF033 Datasheet, PDF (13/25 Pages) STMicroelectronics – Electronic fuse for 3.3 V line
STEF033
Typical performance characteristics
6
Typical performance characteristics
The following plots are referred to the typical application circuit and, unless otherwise noted,
at TA = 25 °C.
Figure 7. Clamping voltage vs. temperature
8
VC C = 6 V
7
AM17210v1
6
5
4
3
2
1
0
-40 -25
0
25
55
Temperature [ºC]
85
125
Figure 8. Short-circuit current vs. temperature
3
AM17211v1
V CC = 3.3 V, R- limit = 24 Ω
2.5
2
1.5
1
0.5
0
-40 -25
0
25
55
Temperature [°C]
85
125
Figure 9. Bias current vs. temperature (device
operational)
2
1.8
V cc = 3.3 V, VE N = floating
AM17212v1
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40 -25
0
25
55
Temperature [°C]
85
125
Figure 10. Bias current vs. temperature (device
disabled)
2
1.8
V cc = 3.3 V, VE N = G ND
AM17213v1
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40 -25
0
25
55
Temperature [°C]
85
125
Figure 11. ON resistance vs. temperature
70
Vcc = 3.3 V, R - limit = 5 Ω
60
AM17214v1
50
40
Iout 500 mA
30
Iout 1 A
Iout 2 A
20
Iout 4 A
10
0
-40 -20 0
20 40 60 80 100 120 140
Temperature (°C)
Figure 12. Current limit vs. RLimit (IOUT ramp)
6
AM17215v1
5
4
ILIMIT
3
2
1
ISHORT
0
0
20
40
60
80 100 120 140
External Sensing Resistor (Ω)
DocID025099 Rev 2
13/25
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