SNVAA33 December   2021 LM61460 , LM61460-Q1 , LM61495 , LM61495-Q1

 

  1.   Trademarks
  2. 1USB Type-C Specifications
  3. 2Popular AC Adapter Design
  4. 3Dynamic Output Voltage Control Methods
    1. 3.1 Method 1: Feedback Resistor Switch Network
    2. 3.2 Method 2: Feedback Current Injection Network
  5. 4Schematic
  6. 5Lab Measurements
    1. 5.1 Bench Measurement (VOUT = 5 V)
    2. 5.2 Bench Measurement (VOUT = 9 V)
    3. 5.3 Bench Measurement (VOUT = 15 V)
    4. 5.4 Bench Measurement (VOUT = 20 V)
  7. 6Summary
  8. 7References

5 Lab Measurements

Following are the efficiency comparison and side by side thermal image comparison between LM61460-Q1 and LM61495-Q1 device in USB Type-C application for 5 V, 9 V, 15 V, and 20 V.