Datasheet

Application information L5987
32/41 Doc ID 14972 Rev 3
6.7 Application circuit
In Figure 19 the demonstration board application circuit is shown.
Figure 19. Demonstration board application circuit
Table 9. Component list
Reference Part number Description Manufacturer
C1 GRM32ER61E226KE15 22 μF, 25 V MURATA
C2 GRM32ER61E226KE15 22 μF, 25 V MURATA
C3 2.2 nF, 50 V
C4 10 nF, 50 V
C5 330 pF, 50 V
C6 220 nF, 25 V
R1 4.99 kΩ, 1%, 0.1 W 0603
R2 2.49 kΩ, 1%, 0.1 W 0603
R3 330 Ω, 1%, 0.1 W 0603
R4 2 kΩ, 1%, 0.1 W 0603
R5 100k.
D1 STPS2L25V 2 A DC, 2 5V STMicroelectronics
L1 MSS1038-522NL
5.2 μH, 30%, 5.28 A,
DCR
MAX
= 22 mΩ
Coilcraft
L5987/A
R3
330
L1 5.2uH MSS1038
C2
22u
25V
R4
2K
R1 4.99K
C3 2.2nF
C4 10hF
C5 330pF
1
5
4
32
6
7
8
D1
STPS2L25
R2
2.49k
Vout=1.8V
C1
22u
25V
C6
220n
25V
R5
150k
Vin=2.9V - 18V
VCC
INH
GND
FB
SYNCH
OUT
COMPFSW