L4993 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L4993 Datasheet PDF : 30 Pages
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L4993
Electrical specifications
2.4
Electrical characteristics curves
Figure 3. Output voltage vs. Tj
Figure 4. Output voltage vs. Vs
Vo_ref (V)
5,5
5,4
5,3
5,2
5,1
Vs= 13.5V
I0 = 75mA
5
4,9
4,8
4,7
4,6
4,5
-50 -25 0
25 50 75 100 125 150
Tj(°C )
Figure 5. Drop Voltage vs. Output Current
Vo_ref (V)
10
9
8
7
I0 = 75 mA
6
Tj = 25 °C
5
4
3
2
1
0
0
5
10
15
20
25
30
35
Vs (V )
Figure 6. Current consumption vs. Output
Current
Vdp (V)
0,3
Iqn (µA)
1500
0,25
Tj= 125 °C
0,2
0,15
0,1
Tj= 25 °C
0,05
1200
900
600
300
Vs= 13.5 V
Tj= 25 °C
En= High
0
-50
0
50
100
150
200
Io (mA)
Figure 7. Current consumption vs. Input
Voltage
0
-50
0
50
100
150
200
Io (mA)
Figure 8. Current limitation vs. Tj
Iqn(µA )
1200
1100
1000
900
Io= 100mA
Tj = 25 °C
En = High
800
700
600
Io =50mA
500
400
300
200
Io = 1mA
100
0
0
5
10
15
20
25
30
35
Vs (V )
Ilim (mA)
600
500
400
Vs= 13.5V
300
200
100
0
-50 -25 0
25 50 75 100 125 150
Tj(°C )
11/30
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