參數(shù)資料
型號： IR3082MTR
廠商： International Rectifier
英文描述： XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
中文描述： XPHASE AMD皓龍/速龍64控制IC
文件頁數(shù)： 29/33頁
文件大?。?/td> 444K
代理商： IR3082MTR
IR3082
Page 29 of 29
12/17/04
LAYOUT GUIDELINES
The following layout guidelines are recommended to reduce the parasitic inductance and resistance of the PCB
layout, therefore minimizing the noise coupled to the IC.
Dedicate at least one middle layer for a ground plane LGND.
Connect the ground tab under the control IC to LGND plane through a via.
Place the following critical components on the same layer as control IC and position them as close as possible
to the respective pins, R
OSC
, R
OCSET
, R
VDAC
, C
VDAC
, C
VCC
, C
SS/DEL
and R
CC/DEL
. Avoid using any via for the
connection.
Place the compensation components on the same layer as control IC and position them as close as possible to
EAOUT, FB and VDRP pins. Avoid using any via for the connection.
Use Kelvin connections for the remote voltage sense signals, VOSNS+ and VOSNS-, and avoid crossing over
the fast transition nodes, i.e. switching nodes, gate drive signals and bootstrap nodes.
Control bus signals, VDAC, RMPOUT, IIN, VBIAS, and especially EAOUT, should not cross over the fast
transition nodes.
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參數(shù)描述
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