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ST1S40IPUR Datasheet(PDF) 20 Page - STMicroelectronics

Part # ST1S40IPUR
Description  3 A DC step-down switching regulator
PDF  30 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S40IPUR Datasheet(HTML) 20 Page - STMicroelectronics

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Demonstration board
ST1S40
20/30
Doc ID 17928 Rev 4
7
Demonstration board
Figure 9.
Demonstration boards schematic
Table 9.
Component list
Reference
Part number
Description
Manufacturer
U1
ST1S40
STM
L1
DRA74 3R3
3.3 µH, Isat=5.4 A
Coiltronics
C1
C3225X7RE106K
10 µF 25 V X7R
TDK
C2
C3225X7R1C226M
22 µF 16 V X7R
TDK
C3
1 µF 25 V X7R
C4
NC
R1
62.5 k
Ω
R2
20 k
Ω
R3
10 k
Ω



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