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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用的AMD - K6處理器電源設計應用指南 |
| 文件頁數(shù)： | 17/50頁 |
| 文件大小： | 1087K |
| 代理商： | 22495 |
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Mobile AMD-K6
Processor Family Power Requirements
7
22495C/0—May 1999
Mobile AMD-K6
Processor Power Supply Design
Figure 3. Linear and Switching Voltage Regulators
Switching Regulator
A switching regulator varies the switch duty cycle (ON/OFF
ratio) according to the output feedback. A large output
capacitor (C
O
) is used in the switching design to achieve a
constant average output. The switching regulator delivers
higher efficiency than a linear regulator, but the tradeoffs are
higher ripple voltages (noise) and slower transient current
response time. A series inductor is used to supply current to the
load during the switch OFF time, adding complexity to the
design. In addition, the inductor and the output capacitor
increase the overall cost of the switching regulator design
relative to a linear regulator design.
The power supply design must account for a minimized current
(I
CC2
and I
CC3
) drain when the mobile AMD-K6 processors
enter the Stop Grant state. The power supply must ensure the
minimal current drain does not cause any adverse side effects
(drift out of regulation, over-compensation, or shutdown) that
could corrupt or damage the functionality of the processor.
The mobile AMD-K6 processors voltage tolerance requirement
on both core and I/O voltage pins can be handled by commonly
available linear and switching regulators. This application note
describes several high-accuracy designs (starting on page 31)
+
–
R
L
Control
V
IN
V
OUT
+
–
Feedback
Efficiency
=
V
OUT
V
IN
+
–
R
L
V
IN
V
OUT
+
–
Switching Regulator
Linear Regulator
C
O
L
O
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 224CNQ | SCHOTTKY RECTIFIER |
| 224CNQ040 | Proximity Sensor; Sensor Input Type:Magnetic; Sensor Output Type:NPN; Leaded Process Compatible:No; Output Type:3 Wire; Peak Reflow Compatible (260 C):No; Sensor Housing:Barrel |
| 224CNQ045 | SCHOTTKY RECTIFIER |
| 224CNQ035 | SCHOTTKY RECTIFIER |
| 225.1 | Fuse |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 224951 | 制造商:Q-MAX 功能描述:CUTTER ROUND 76.5MM |
| 2249520 | 制造商: 功能描述: 制造商:OSM 功能描述: 制造商:undefined 功能描述: |
| 224953 | 制造商:Q-MAX 功能描述:CUTTER SQUARE 19.0MM |
| 224954 | 制造商:Q-MAX 功能描述:CUTTER SQUARE 25.4MM 制造商:Q-MAX 功能描述:CUTTER, SQUARE, 25.4MM |
| 224956 | 制造商:Q-MAX 功能描述:PUNCH METAL RECTANGULAR 17.5X24.0MM |
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