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L7986TA Datasheet(PDF) 31 Page - STMicroelectronics

Part # L7986TA
Description  3 A step-down switching regulator
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7986TA Datasheet(HTML) 31 Page - STMicroelectronics

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L7986TA
Application information
Doc ID 022098 Rev 3
31/43
6.7
Application circuit
In Figure 17 the demonstration board application circuit is shown.
Figure 17.
Demonstration board application circuit
Table 9.
Component list
Reference
Part number
Description
Manufacturer
C1
UMK325BJ106MM-T
10
μF, 50 V
Taiyo Yuden
C2
GRM32ER61E226KE15
22
μF, 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
Ω, 1%, 0.1 W 0603
R2
1.1 k
Ω, 1%, 0.1 W 0603
R3
330
Ω, 1%, 0.1 W 0603
R4
1.5 k
Ω, 1%, 0.1 W 0603
R5
180 k
Ω, 1%, 0.1 W 0603
D1
STPS3L40
3 A DC, 40 V
STMicroelectronics
L1
MSS1038-103NL
10
μH, 30%, 3.9 A,
DCRMAX=35 mΩ
Coilcraft



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