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A7985A Datasheet(PDF) 32 Page - STMicroelectronics

No. de pieza A7985A
Descripción Electrónicos  2 A step-down switching regulator for automotive applications
PDF  44 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A7985A Datasheet(HTML) 32 Page - STMicroelectronics

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Application information
A7985A
32/44
DocID023128 Rev 5
6.7
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
UMK325BJ106MM-T
10
F, 50 V
Taiyo Yuden
C2
GRM32ER61E226KE15
22
F, 25 V
muRata
C3
3.3 nF, 50 V
C4
33 nF, 50 V
C5
100 pF, 50 V
C6
470 nF, 50 V
R1
4.99 k
, 1%, 0.1 W 0603
R2
1.1 k
, 1%, 0.1 W 0603
R3
330
, 1%, 0.1 W 0603
R4
1.5 k
, 1%, 0.1 W 0603
R5
150 k
1%, 0.1 W 0603
D1
STPS3L40
3 A DC, 40 V
STMicroelectronics
L1
MSS1038-103NL
10
H, 30%, 3.9 A,
DCRMAX = 35 m
Coilcraft



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