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L6986H датащи(PDF) 52 Page - STMicroelectronics

номер детали L6986H
подробное описание детали  38 V, 2 A synchronous step-down switching regulator with 30 μA quiescent current
PDF  68 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6986H датащи(HTML) 52 Page - STMicroelectronics

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Table 19. L6986H 3V3 demonstration board BOM
Reference
Part number
Description
Manufacturer
R7
0 R - 0603
R9, C7
Not mounted
R8
-
75 kΩ - 1% - 0603
C8
-
330 pF - 10 V - 0603
C4
-
2.2 pF - 10 V - 0603
J3
Open
U1
L6986H 3V3
3.3 V internal divider
STM
Table 20. L6986H 5V demonstration board BOM
Reference
Part number
Description
Manufacturer
R7
0 R - 0603
R9, C7
Not mounted
R7
-
0 Ω -0603
R8
-
100 kΩ - 1% - 0603
C8
-
330 pF - 10 V - 0603
C4
2.2 pF - 10 V - 0603
J3
Open
U1
L6986H 5V
5 V internal divider
STM
Table 21. L6986H adj. demonstration board BOM
Reference
Part number
Description
Manufacturer
R7
240 kΩ - 1% - 0603
C7
Not mounted
R9
-
82 kΩ - 1% - 0603
R8
-
75 kΩ - 1% - 0603
C8
-
330 pF - 10 V - 0603
C4
2.2 pF - 10 V - 0603
J3
Open
U1
L6986H
External divider (VOUT=3.3 V)
STM
Figure 53. Magnitude bode plot and Figure 54. Phase margin bode plot show the magnitude and phase margin
Bode plots related to the BOM of Table 21. L6986H adj. demonstration board BOM.
The small signal dynamic performance in this configuration is:
BW=55kHz
pℎase margin=60∘
(54)
L6986H
Application board
DS12905 - Rev 2
page 52/68



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