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Special Measurements

Power Turn-Off Time

Revision 1.0, October 2013
By: ASA
Free

Description

This Special Measurement measures the turn-off time between the input and output of a switching power supply.

Specifications/Details

Spec Level:  N/A

App Update Level/Date:      1.0, October 2013

Minimum M1 version required:      v7.00

Measurements Made:

  • Turn-off time between when the input falls below a minimum voltage and when the output falls to a certain percentage of its final value

Statistics Produced:

  • Turn-off time

Assumptions:

  • Only one turn-off event is captured per scope trigger
  • Acquisition is long enough for output to settle into its final value
  • Voltage (V) probes should be placed as shown below:

probing diagram

 

 

 

 

 

 

Features

  • Not Applicable for this App

Comments

ASA is in the process of adding a variety of power-related Measurement Apps, to be followed shortly by a complete Power Application to organize and expand these measurements.

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