參數(shù)資料
型號: 22495
英文描述: Implementation of Write Allocate Application Note Mobile AMD-K6 Processor Power Supply Design Application Note
中文描述: 在寫分配執(zhí)行情況的說明移動應(yīng)用的AMD - K6處理器電源設(shè)計應(yīng)用指南
文件頁數(shù): 34/50頁
文件大?。?/td> 1087K
代理商: 22495
24
Decoupling and Layout Recommendations
Mobile AMD-K6
Processor Power Supply Design
22495C/0—May 1999
Table 4 lists the recommended capacitor values.
Table 5 lists recommended capacitor types.
The recommendations in Table 5 are not the only possibilities.
Based on parts availability and the controller chosen, many
solutions exist. The intent of these recommendations is to give
insight into the requirements, and not to specify a particular
solution. Many vendors prefer to use aluminum electrolytics
instead of tantalum capacitors. This approach is acceptable as
long as good quality, low-ESR parts are used.
Bulk Decoupling for
the I/O Supply
The data sheet specifies the V
CC3
current at about 0.6 amps.
This number only specifies the maximum current consumed by
the processor without any load. To calculate the peak demand
on the I/O supply, consider what happens when all 64 data bus
Table 4.
Decoupling Capacitor Values
Item
Qty
Location
Value
Footprint
Description
Note
1
2
C1, C2
47
μ
F
AVX
Size V
Surface tantalum capacitor, AVX part number
TPSV476*025R0300 or equivalent
V
CC3
Decoupling
2
8
CC3
CC10
470
μ
F
AVX
Size V
Surface tantalum capacitor, AVX part number
TPSV477*006R0100 or equivalent
V
CC2
Decoupling
3
24
C5–C31
0.1
μ
F
0805
C5–C10 for V
CC3
C14–C31 for V
CC2
Table 5.
Capacitor Recommendations
Manufacturer
AVX
Vishay Sprague
Sanyo
Chem-con
Mallory
Nemco
Panasonic
Panasonic
Vishay Sprague
Elna
Type
Comment
exceptional
exceptional
excellent
good
good
good
good
good
good
good
Web
TPS
594D
SA/SG
LVX
T495
SLR series
EEF
FA
593D
RJH/RJJ
/www.avxcorp.com
/vishay.com/vishay/sprague
/www.sanyovideo.com
/www.chemi-con.com
/www.nacc-mallory.com
/www.nemcocaps.com
/www.panasonic.com/pic
/www.panasonic.com/pic
/vishay.com/vishay/sprague
/www.elna-america.com
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