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R6986 数据表(PDF) 40 Page - STMicroelectronics

部件名 R6986
功能描述  38 V, 2 A synchronous step-down switching regulator
PDF  62 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

R6986 数据表(HTML) 40 Page - STMicroelectronics

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R6986
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DocID026996 Rev 2
Equation 32
Figure 28. Phase plot
The blue solid trace represents the transfer function including the sampling effect term (see
Equation 22 on page 36), the dotted blue trace neglects the contribution.
6.5
Compensation network design
The maximum bandwidth of the system can be designed up to fSW/6 to guarantee a valid
small signal model.
Equation 33
Equation 34
BW
67kHz
=
phase margin
53
0
=
BW
fSW
6
---------
=
RC
2
 BW C
OUT VOUT

0.85V gCS gm TYP

----------------------------------------------------------------
=



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