TIDT179A may   2020  – april 2023

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 System Specification
    2. 1.2 Required Equipment
    3. 1.3 Testing Conditions
    4. 1.4 Considerations
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Standby Efficiency Data
    4. 2.4 Dimensions
    5. 2.5 Thermal Images
  4. 3Waveforms
    1. 3.1 Switch Node
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-up Sequence
  5. 4Revision History

1.3 Testing Conditions

The power supply has two outputs 12 V and 150 V and the feedback loop is closed to 12 V output (Output #1). It has been designed to work from 0 to 180 W with 90 VAC to 264 VAC input. For other outputs regulation, a minimum load (≥ 100 mW) on 12 V output, should be always present.

  1. Connect the AC source VS1 to J100-3 and J100-2; earth connection to J100-1.
  2. Connect the loads to J214.
  3. Connect the DC source VS2 to TP205 and TP206, and set the output voltage to 3.3V or 5V.
  4. Turn on VS2, and then Turn on VS1 (accepted range: 90 VAĈ 264 VAC).
  5. Increase the load on the outputs.
  6. After turn off, wait ~5 minutes until PFC capacitors and output capacitors are completely discharged