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A6986 Datasheet(PDF) 54 Page - STMicroelectronics

Part # A6986
Description  38 V, 2 A synchronous step-down switching regulator with 30 µA quiescent current
PDF  67 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A6986 Datasheet(HTML) 54 Page - STMicroelectronics

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Application board
A6986
54/67
DocID026211 Rev 6
Figure 39 and Figure 40 show the magnitude and phase margin Bode’s plots related to the
evaluation board presented in Figure 38.
The small signal dynamic performance of the demonstration board is:
Equation 55
R6
1 M
 - 1%- 0603
R7
180 k
 - 1% - 0603
R8
130 k
 - 1% - 0603
R9
62 k
 - 1% - 0603
R11
10
 - 1% - 0603
R2, R3, R5, R10
Not mounted
L1
XAL5050-103MEC
10
HCoilcraft
L2
XAL5030-472MEC
4.7
HCoilcraft
L3
MPZ2012S221A
EMC bead
TDK
J1
Open
J2
Open
J3
Closed
Switchover
J4
Open
U1
A6986
STM
Table 13. Bill of material (continued)
Reference
Part number
Description
Manufacturer
BW
67kHz
=
phase margin
53
0
=



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