Datasheet

L7981 Application informations
Doc ID 15182 Rev 3 31/44
6.7 Application circuit
In Figure 18 the demonstration board application circuit is shown.
Figure 18. Demonstration board application circuit (rev 1.0)
Table 9. Component list (rev 1.0)
Reference Part number Description Manufacturer
C1 UMK325BJ106MM-T 10 μF, 50V Taiyo Yuden
C2 GRM32ER61E226KE15 22 μF, 25V Murata
C3 2.2 nF, 50V
C4 22 nF, 50V
C5 470 pF, 50V
C6 470 nF, 50V
R1 4.99 kΩ, 1%, 0.1W 0603
R2 1.1 kΩ, 1%, 0.1W 0603
R3 249 Ω, 1%, 0.1W 0603
R4 1.5 kΩ, 1%, 0.1W 0603
R5 220 kΩ, 1%, 0.1W 0603
D1 STPS3L40 3A DC, 40V STMicroelectronics
L1 MSS1038-103NL
10μH, 30%, 3.9A,
DCR
MAX
=35mΩ
Coilcraft