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标题:
INTEL4线风扇设计规范
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时间:
2011-5-1 09:25
标题:
INTEL4线风扇设计规范
4线风扇设计规范 INTEL 大家参考
INTEL_4线风扇设计规范.pdf
4-Wire Pulse Width Modulation
(PWM) Controlled Fans
Specification
September 2005
Revision 1.3
1 Introduction . 7
1.1 Overview. 7
2 Electrical Specifications 9
2.1 Fan Requirements.. 9
2.1.1 Fan Input Voltage. 9
2.1.2 Current . 9
2.1.3 Tachometer Output Signal 9
2.1.4 PWM Control Input Signal 9
2.2 Test Methodology. 10
2.3 Hardware Monitor Device.. 10
2.3.1 PWM Output Signal 10
2.4 Considerations for Motherboard Designers . 11
3 Fan Speed Control . 13
3.1 Maximum Fan Speed Requirements. 13
3.2 Minimum Fan Speed Requirements.. 13
3.3 Fan Speed Response to PWM Control Input Signal. 14
3.4 Operation below Minimum RPM 14
4 Required Features . 19
4.1.1 Polarity Protection. 19
4.1.2 Rotor Lock Protection 19
4.1.3 Wire Length 19
4.1.4 Wire Type 19
4.1.5 Connector Housing . 19
4.1.6 Fan Connector Pinout and Wiring Colors .. 19
5 Environmental and Reliability. 21
5.1.1 Operating Temperature 21
5.1.2 Non-operating Humidity 21
5.1.3 Non-operating Thermal Cycling. 21
5.1.4 Power Cycling . 21
5.1.5 Reliability. 21
6 Reference Drawings . 23
作者:
你的美
时间:
2011-5-1 09:25
好东西
怎么下不下来
作者:
cliffcrag
时间:
2011-5-1 09:25
感謝分享!!
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玻璃杯里
时间:
2011-5-1 09:25
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resheji
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2011-5-1 09:25
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Edelweiss
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2011-5-1 09:25
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fluent
时间:
2011-5-1 09:25
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jlriver
时间:
2015-11-3 16:37
好东西
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我不会
时间:
2016-2-4 17:13
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