參數資料
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用的AMD - K6處理器電源設計應用指南
文件頁數: 21/50頁
文件大?。?/td> 1087K
代理商: 22495
Decoupling and Layout Recommendations
11
22495C/0—May 1999
Mobile AMD-K6
Processor Power Supply Design
Decoupling and Layout Recommendations
Power Distribution
In order to maintain a stable voltage supply during fast
transients, power planes with high frequency and bulk
decoupling capacitors are required. Figure 6 shows a power
distribution model for the power supply and the processor. The
bulk capacitors (C
B
) are used to minimize ringing, and the
processor decoupling capacitors (C
F
) are spread evenly across
the circuit to maintain stable power distribution.
Figure 6. Power Distribution Model
+
R
L
V
OUT
+
C
B
C
F
PCB Trace
Processor
Power
Plane
+
R
L
V
OUT
C
B
C
F
C
L
ESR
ESL
Equivalent Circuit
L
TRACE
R
TRACE
PCB Trace
Processor
Power
Plane
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