E-L4973D3.3 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'E-L4973D3.3' PDF : 27 Pages View PDF
Typical characteristics
7
Typical characteristics
L4973
Figure 9. Quiescent drain current vs. Figure 10. Quiescent drain current vs.
input voltage (0% duty cycle)
junction temperature
Ibias
(mA)
5.0
4.5
Tamb=25˚C
0% DC
D97IN633A
200KHz-R2=22K
C7=1.2nF
4.0
100KHz-R2=20K
C7=2.7nF
3.5
0Hz
3.0
2.5
2.0
0
10 20 30 40 50 VCC(V)
Ibias
(mA)
4.0
3.5
0% DC
VCC = 35V
3.0
D97IN634
200KHz-R2=22K
C7=1.2nF
100KHz-R2=20K
C7=2.7nF
0Hz
2.5
-50
0
50
100 Tj(˚C)
Figure 11. Stand by drain current vs.
input voltage
Ibias
(µA)
D97IN635A
150
Vinh = 5V
100
25˚C
125˚C
50
0 10 20 30 40 50 VCC(V)
Figure 12. Reference voltage vs. junction
temperature (pin 16)
VREF
(V)
5.15
D97IN637
Pin 16
Vcc=35V
5.1
5.05
5.0
-40 -20 0 20 40 60 80 100 Tj(˚C)
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