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Manuals and User Guides for Intel ATX12V. We have
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Intel ATX12V manual available for free PDF download: Design Manual
Intel ATX12V Design Manual (43 pages)
Intel Power Supply User Guide
Brand:
Intel
| Category:
Power Supply
| Size: 0.43 MB
Table of Contents
Table of Contents
3
1 Introduction
6
Scope
6
Key Changes for ATX12V Version 2.0 as Compared with ATX Power Supply
6
Increased +12 VDC Output Capability
6
Minimum Efficiency
6
Main Power Connector
7
Separate Current Limit for 12V2 on the 2X2 Connector
7
Terminology
7
2 Applicable Documents
8
3 Electrical
9
AC Input
9
Input Over-Current Protection
9
Inrush Current Limiting
9
Table 1. AC Input Line Requirements
9
Input Under-Voltage
10
Regulatory
10
Catastrophic Failure Protection
11
DC Output
11
DC Voltage Regulation
11
Table 2. DC Output Voltage Regulation
11
Remote Sensing
12
Typical Power Distribution
12
Figure 1. Cross Loading Graph for 250W Configuration
13
Table 3. Typical Power Distribution for a 250 W ATX12V Configuration
13
Figure 2. Cross Loading Graph for 300W Configuration
14
Table 4. Typical Power Distribution for a 300 W ATX12V Configuration
14
Figure 3. Cross Loading Graph for 350W Configuration
15
Table 5. Typical Power Distribution for a 350 W ATX12V Configuration
15
Figure 4. Cross Loading Graph for 400W Configuration
16
Table 6. Typical Power Distribution for a 400 W ATX12V Configuration
16
Power Limit / Hazardous Energy Levels
17
Efficiency
17
Table 7. Minimum Efficiency Vs Load
17
Table 8. Loading Table for Efficiency Measurements
18
Output Ripple/Noise
19
Table 9. Energy Star Input Power Consumption
19
Figure 5. Differential Noise Test Setup
20
Table 10. DC Output Noise/Ripple
20
Output Transient Response
21
Capacitive Load
21
Table 11. DC Output Transient Step Sizes
21
Table 12. Output Capacitive Loads
21
Closed-Loop Stability
22
VDC / +3.3 VDC Power Sequencing
22
Voltage Hold-Up Time
22
Timing / Housekeeping / Control
22
Figure 6. Power Supply Timing
22
Ps_On
23
Pwr_Ok
23
Table 13. PWR_OK Signal Characteristics
23
Figure 7. PS_ON# Signal Characteristics
24
Table 14. PS_ON# Signal Characteristics
24
Vsb
24
Overshoot at Turn-On / Turn-Off
25
Power-On Time
25
Reset after Shutdown
25
Risetime
25
VSB at AC Power-Down
25
Output Protection
26
Over-Voltage Protection
26
Short-Circuit Protection
26
No-Load Operation
26
Over-Current Protection
26
Table 15. Overvoltage Protection
26
Over-Temperature Protection
27
Output Bypass
27
4 Mechanical
28
Labeling / Marking
28
Physical Dimensions
28
Figure 8. Power Supply Dimensions for Chassis that Does Not Require Top Venting
29
Figure 9. Power Supply Dimensions for Chassis that Require Top Venting
30
Airflow / Fan
31
AC Connector
32
DC Connectors
32
Figure 10. ATX12V Power Supply Connectors
33
ATX Main Power Connector
34
Peripheral Connector(S)
35
Power Connector
35
Figure 11. Serial ATA Connector
36
Floppy Drive Connector
36
Serial ATA Power Connector
36
5 Environmental
37
Temperature
37
Thermal Shock (Shipping)
37
Humidity
37
Altitude
37
Mechanical Shock
38
Random Vibration
38
Acoustics
38
6 Electromagnetic Compatibility
39
Emissions
39
Immunity
39
Input Line Current Harmonic Content and Line Flicker
40
Magnetic Leakage Fields
40
Table 16. Harmonic Limits, Class D Equipment
40
7 Reliability
41
Component De-Rating
41
8 Safety
42
North America
42
International
43
Proscribed Materials
43
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