VRM 9.0 DC-DC Converter Design Guidelines

VRM 9.0 DC-DC Converter Design Guidelines
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Contents
1 Electrical Specifications......................................................................................................... 5
1.1 Output Requirements ................................................................................................... 5
1.2 Input Voltage and Current............................................................................................ 8
1.3 Control Inputs ..............................................................................................................8
1.4 Remote Sense (VO-sen+, VO-sen–) ........................................................................... 9
1.5 Power Good Output (PWRGD) .................................................................................. 9
1.6 VRM Present (VRM-pres) ....................................................................................... 10
1.7 Efficiency .................................................................................................................. 10
1.8 Isolation ..................................................................................................................... 10
1.9 Fault Protection.......................................................................................................... 10
2 Module Layout Guidelines................................................................................................... 11
2.1 VRM Connector ........................................................................................................ 11
2.2 Mechanical Dimensions ............................................................................................ 15
2.3 Retention Clip ............................................................................................................ 15
2.4 Alternate Module Dimensions ................................................................................... 16
2.5 Heat Sink Connection ................................................................................................ 16
2.6 Board Temperature .................................................................................................... 16
3 Tests and Standards.............................................................................................................. 16
3.1 Environmental ........................................................................................................... 16
3.2 Shock and Vibration ................................................................................................. 17
3.3 Electromagnetic Compatibility ................................................................................. 17
3.4 Reliability .................................................................................................................. 17
3.5 Safety ........................................................................................................................ 17