Datasheet

Application information L5980
30/42 Doc ID 13003 Rev 6
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 kΩ, 1%, 0.1 W 0603
R2 1.1 kΩ, 1%, 0.1 W 0603
R3 180 Ω, 1%, 0.1 W 0603
R4 3.9 kΩ, 1%, 0.1 W 0603
R5 100 kΩ, 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 3.3nFR3 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 3.3nFR3 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