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TFX12V manual Power Supply Mounting Slot Detail, Version
Models:
TFX12V
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Specs
PWROK Signal Characteristics
Dimension
Typical Power Distribution for 180 W TFX12V Configurations
AWG Wire
Reset after Shutdown
Differential Noise Test Setup
Signal
Over-temperature Protection
Safety
Page 28
Image 28
TFX12V Power Supply Design Guide
Thin Form Factor with 12 V Connector
Version 2.0
Figure 10. Power Supply Mounting Slot Detail
28
Page 27
Page 29
Page 28
Image 28
Page 27
Page 29
Contents
Thin Form Factor with 12-Volt Connector
Power Supply Design Guide
TFX12V
Version
IMPORTANT INFORMATION AND DISCLAIMERS
Version
Revision History
Release Date
Introduction
Electrical
Contents
Mechanical
Safety
Environmental
Electromagnetic Compatibility
Figures
Tables
1 Introduction
1.1 TFX12V Scope
1.2 TFX12V Overview
1.2.1 Small System Optimized Profile
1.3.3 Main Power Connector
1.3.4 Separate Current Limit for 12V2 on the 2x2 Connector
1.3 Key Changes for TFX12V Version
1.2.2 Improved Acoustics
Term Required Recommended Optional BA CFM Monotonically Noise
1.4 Terminology
Description
2 Electrical
2.1 AC Input
2.1.1 Input Over Current Protection
2.1.2 Inrush Current Limiting
2.1.4.1 PRODUCT SAFETY
2.1.4 Regulatory
2.1.4.2 ELECTROMAGNETIC CAMPATIBILITY
2.1.4.3 Other Certifications and/or Declarations
2.2 DC Output
2.1.5 Catastrophic Failure Protection
2.2.1 DC Voltage Regulation
2.2.2 Remote Sensing
2.2.3 Typical Power Distribution
Table 3. Typical Power Distribution for 180 W TFX12V Configurations
Figure 2. Cross Loading Graph for 180W Configuration
w atts
12V power watts
Table 4. Typical Power Distribution for 220 W TFX12V Configurations
Figure 3. Cross Loading Graph for 220W Configuration
220W Cross Regulation 5V rail + 3.3V rail vs
Table 5. Typical Power Distribution for 240 W TFX12V Configurations
12V power watts
Figure 4. Cross Loading Graph for 240W Configuration
2.2.4 Power Limit / Hazardous Energy Levels
2.2.5 Efficiency General
Table 6 Typical Power Distribution for 270 W SFX12V Configurations
Figure 5 Cross Loading Graph for 270W Configuration
Table 7 Efficiency Vs Load
Table 8. Loading Table for Efficiency Measurements
Loading Required Minimum Efficiency Recommended Minimum Efficiency
Full load
2.2.6 Other Low Power System Requirements
2.2.7 Output Ripple/Noise
2.2.5.1 Energy Star
Table 9. Energy Star Input Power Consumption
2.2.8 Output Transient Response
Figure 6. Differential Noise Test Setup
Table 11. DC Output Transient Step Sizes
Maximum Step Size
2.2.11 +5 VDC / +3.3 VDC Power Sequencing
2.2.9 Capacitive Load
2.2.10 Closed-loop Stability
2.2.12 Voltage Hold-up Time
2.3 Timing / Housekeeping / Control
Figure 7. Power Supply Timing
~ ~ ~ ~
PSON#
2.3.2 PSON#
2.3.1 PWROK
Table 13. PWROK Signal Characteristics
2.3.4 Power-on Time
2.3.3 +5 VSB
Table 14. PSON# Signal Characteristics
Figure 8. PSON# Signal Characteristics
2.3.7 Reset after Shutdown
2.3.8 +5 VSB at AC Power-down
2.4 Output Protection
2.3.5 Rise Time
2.4.5 Over-temperature Protection
2.4.2 Short-circuit Protection
2.4.3 No-load Operation
2.4.4 Over Current Protection
3 Mechanical
3.2 Physical Dimensions
3.1 Labeling /Marking
TFX12V Power Supply Design Guide Thin Form Factor with 12-V Connector
Version
TFX12V Power Supply Design Guide Thin Form Factor with 12 V Connector
Figure 10. Power Supply Mounting Slot Detail
Version
3.3 Mounting Options
Figure 13. Suggested Mounting Tab chassis feature
3.4 Chassis Requirements
Figure 12. Suggested TFX12V Chassis Cutout
3.6 AC Connector
3.5 Airflow / Fan
Figure 14. TFX12V Connectors Pin-side view, not to scale
3.7 DC Connectors
Main Power Connector
3.7.1 TFX12V Main Power Connector
3.7.2 Peripheral Connectors
3.7.3 Floppy Drive Connector
Connector MOLEX* 39-01-2240 or equivalent
3.7.4 +12 V Power Connector
3.7.5 Serial ATA Power Connector
Figure 15. Serial ATA Connector
Signal
4.1 Temperature
4 Environmental
4.2 Thermal Shock Shipping
4.3 Relative Humidity
4.7 Acoustics
4.6 Random Vibration
4.8 Ecological Requirements
5.1 North America
5 Safety
5.2 International
6.1 Emissions
6 Electromagnetic Compatibility
6.2 Immunity
6.3 Input Line Current Harmonic Content
6.4 Magnetic Leakage Fields
6.5 Voltage Fluctuations and Flicker
Table 16. Harmonic Limits, Class D Equipment
7 System Cooling Considerations
8 Reliability
9 Applicable Documents
Document Title
