L5985 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L5985' PDF : 36 Pages View PDF
L5985
5.7
Application circuit
In Figure 18 the demo board application circuit is shown.
Figure 18. Demo board application circuit
Application informations
VIN=3.3V to 18V
C1
10uF
C6
68nF
VCC
8
INH 3
GND
7
L5985
6
4
FSW COMP
OUT
1
SYNCH
2
FB
5
C4 10nF
R4 4.99K
C5 100pF
L1 15uH
D1
STPS2L25U
R1 4.99K
Vout=3.3V
C2
22uF
R3 150
R2 1.1K
C3 3.3nF
Table 8. Component List
Reference
Part Number
Description
C1
GRM31CR61E106KA12
10 µF, 25V
C2
GRM31CR61C226KE15B
22 µF, 16V
C3
3.3 nF, 50V
C4
10 nF, 50V
C5
100 pF, 50V
C6
68 nF, 25V
R1
4.99 kΩ, 1%, 0.1W 0603
R2
1.1 kΩ, 1%, 0.1W 0603
R3
150 Ω, 1%, 0.1W 0603
R4
4.99 kΩ, 1%, 0.1W 0603
R5
N.C.
L1
744066150
15 µH, 30%, 3.25A
D1
STPS2L25V
2A, 25V
Manufacturer
Murata
Murata
Wurth Elektronik
STMicroelectronics
28/36
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