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AVF700-48S28 Series DC-DC Converter Technical Reference Notes BOM:31020528 03-05-16
Contents
Options .........................................................................................................................................................................1
Description....................................................................................................................................................................1
Electrical Specifications ...................................................................................................................................................4
Input Specifications......................................................................................................................................................4
Absolute Maximum Ratings.........................................................................................................................................5
Output Specifications ...................................................................................................................................................6
Feature Specifications...................................................................................................................................................7
Characteristic Curves........................................................................................................................................................8
Performance Curve – Efficiency...................................................................................................................................8
Performance Curves – Output Performance Curve ......................................................................................................8
Performance Curves – Transient Response ..................................................................................................................9
Performance Curves – Transient Response (Cont).......................................................................................................9
Performance Curves – Startup Characteristics ...........................................................................................................10
Performance Curves – Startup from CNT1 Control...................................................................................................10
Feature Description.........................................................................................................................................................11
CNT Function.............................................................................................................................................................11
Trim ............................................................................................................................................................................12
Minimum Load Requirement .....................................................................................................................................13
Output Over-Current and Short Protection.................................................................................................................13
Output Over-Voltage Protection .................................................................................................................................13
Over Temperature Protection......................................................................................................................................13
Current Sharing...........................................................................................................................................................14
Sense...........................................................................................................................................................................15
AUX/IOG/TMP..........................................................................................................................................................16
Output Filter ...............................................................................................................................................................16
Decoupling..................................................................................................................................................................17
Ground Loops.............................................................................................................................................................17
Design Consideration .....................................................................................................................................................19
Typical Application ....................................................................................................................................................19
Fusing .........................................................................................................................................................................19
Input Reverse Voltage Protection ...............................................................................................................................19
EMC ...........................................................................................................................................................................20
Safety Consideration...................................................................................................................................................21