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L7983 Datasheet(PDF) 33 Page - STMicroelectronics

Part # L7983
Description  60 V, 300 mA synchronous step-down switching regulator with 10 μA quiescent current
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7983 Datasheet(HTML) 33 Page - STMicroelectronics

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Figure 39. 5 V fix efficiency (LNM)
0
10
20
30
40
50
60
70
80
90
100
0
0.05
0.1
0.15
0.2
0.25
0.3
Output current [A]
12V
24V
36V
48V
60V
Figure 40. 5 V fix load regulation (LNM)
4.98
4.99
5
5.01
5.02
5.03
5.04
5.05
5.06
5.07
0
0.05
0.1
0.15
0.2
0.25
0.3
Output current [A]
12V
24V
36V
48V
60V
Figure 41. 5 V fix input current, no load (LCM)
0
5
10
15
20
25
30
35
10
15
20
25
30
35
40
45
50
55
60
Input voltage [V]
Quiescent
Shutdown
Figure 42. 5 V fix input current, no load (LNM)
0
200
400
600
800
1000
1200
1
1.5
2
2.5
3
3.5
4
10
15
20
25
30
35
40
45
50
55
60
Input voltage [V]
IIN
FSW
L7983
L7983PU50R - Evaluation board
DS13354 - Rev 1
page 33/43



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