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L5980 Folha de dados(PDF) 29 Page - STMicroelectronics

Nome de Peças L5980
Descrição Electrónicos  0.7 A step-down switching regulator
PDF  37 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5980 Folha de dados(HTML) 29 Page - STMicroelectronics

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Application information
L5980
29/37
5.7
Application circuit
In Figure 18 the demonstration board application circuit is shown.
Figure 18.
Demonstration board application circuit
Table 9.
Component list
Reference
Part number
Description
Manufacturer
C1
GRM31CR61E106KA12
10
μF, 25 V
Murata
C2
GRM32ER61E226KE15
22
μF, 25 V
Murata
C3
3.3 nF, 50 V
C4
10 nF, 50 V
C5
150 pF, 50 V
C6
68 nF, 25 V
R1
4.99 k
Ω, 1 %, 0.1 W 0603
R2
1.1 k
Ω, 1 %, 0.1 W 0603
R3
180
Ω, 1 %, 0.1 W 0603
R4
3.9 k
Ω, 1 %, 0.1 W 0603
R5
100 k
Ω, 1 %, 0.1 W 0603
D1
STPS2L25V
2 A, 25 V
STMicroelectronics
L1
7447779115
15
μH, 20 %, 2.2 A
Wurth elektronik
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5985
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
L1 15uH
C3 3.3nF
R3 180
C5 150pF
R4 3.9K
FSW
8
3
7
6
4
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V
R5 100K
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5980
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
FSW
8
3
7
6
4
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5985
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
L1 15uH
C3 3.3nF
R3 180
C5 150pF
R4 3.9K
FSW
8
3
7
6
4
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V
R5 100K
OUT
FB
SYNCH
INH
GND
COMP
VCC
L5980
C1
10uF
C4 10nF
R1 4.99K
R2 1.1K
D1
STPS2L25U
FSW
8
3
7
6
4
5
2
1
C2
22uF
C6
68nF
COMP
1
Vout=3.3V
VIN=3.3V to 18V



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