SLVAF01 October   2020 TPS55340

1.   Trademarks
2. 1Switching Node Voltage Stress from Flyback
   1. 1.1 Reflected Voltage, VOR
   2. 1.2 Leakage Inductance Factor
3. 2Mitigating Voltage Spike on Switch Node
   1. 2.1 Zener or TVS Clamping
   2. 2.2 Forward Recovery Characteristic of Blocking Diode
4. 3Design Example with TPS55340
   1. 3.1 Initial Key Designs and Test Results
   2. 3.2 Redesign Procedure to Mitigate Vsw
   3. 3.3 Using Blocking Diode that has a good Tfr
5. 4Summary
6. 5References