E-L4973D3.3 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'E-L4973D3.3' PDF : 27 Pages View PDF
L4973
Typical characteristics
Figure 13. Reference voltage vs.
input voltage (pin 16)
VREF
(V)
5.15
Tj=25˚C
Pin 16
D97IN636A
5.1
Figure 14. Reference voltage vs.
reference input current
VREF
(V)
D97IN638
5.2
Vcc=40V
5.1
Vcc=10V
5.05
5.0
Tj=25˚C
5.0
0
10 20 30 40 50 VCC(V)
4.9
0
10 20 30 40 50 IREF(mA)
Figure 15. Inhibit current vs. inhibit
voltage (pin 10)
Iinh
(µA)
100
Vcc=35V
Pin 10
50
0
D97IN651
Tj=0˚C
Tj=25˚C
Tj=125˚C
Figure 16. Line regulation (see Figure 7)
VO
(V)
5.12
5.1
5.08
D97IN639A
Tj=125˚C
Tj=25˚C
IO = 1A
-50
0
5
10
15
Vinh(V)
5.06
0
10 20 30 40 50 VCC(V)
Figure 17. Load regulation (see Figure 7) Figure 18. Line regulation (see Figure 8)
VO
(V)
5.15
5.1
5.05
VCC = 35V
D97IN640
Tj=25˚C
Tj=125˚C
VO
(V)
3.35
3.34
3.33
3.32
3.31
D97IN660A
Tj=125˚C
Tj=25˚C
IO = 1A
5.0
0
1
2
3
IO(A)
3.3
0
10 20 30 40 50 VCC(V)
13/27
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