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L5983 Datasheet(PDF) 29 Page - STMicroelectronics

Part # L5983
Description  1.5A step-down switching regulator
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5983 Datasheet(HTML) 29 Page - STMicroelectronics

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Application informations
L5983
29/37
5.7
Application circuit
In Figure 18 the demo board application circuit is shown.
Figure 18.
Demo board application circuit
Table 8.
Component list
Reference
Part number
Description
Manufacturer
C1
GRM31CR61E106KA12
10
µF, 25V
Murata
C2
GRM31CR61C226KE15B
22
µf, 16V
Murata
C3
3.3 nF, 50V
C4
10 nF, 50V
C5
100 pF, 50V
C6
68 nF, 25V
R1
4.99 k
Ω, 1%, 0.1W 0603
R2
1.1 k
Ω, 1%, 0.1W 0603
R3
150
Ω, 1%, 0.1W 0603
R4
4.99 k
Ω, 1%, 0.1W 0603
R5
N.C.
L1
744066150
15 uH, 30%, 3.25 A
Wurth Elektronik
D1
STPS2L25V
2A, 25V
STMicroelectronics
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5983
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
L1 15uH
C3 3.3nF
R3 150
C5 100pF
R4 4.99K
FSW
8
3
7
64
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5983
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
L1 15uH
C3 3.3nF
R3 150
C5 100pF
R4 4.99K
FSW
8
3
7
64
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V



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