TIDA-00174, Reference Design is a 4-output isolated Fly-Buck power supply for IGBT gate drive bias. It generates two sets of (+16V, -9V) voltage output with 100mA output current capability. The positive/negative bias voltages are used to power the high power IGBT gate drivers, and the design is suitable to support driving IGBTs. This Fly-Buck design features the LM5017, 7.5-100V wide Vin, 600mA, Constant On-Time (COT), synchronous buck regulator. It provides an easy-to-design and cost effective isolated power solution. The Fly-Buck having the nature of primary side regulation can achieve better regulation and line/load response over other open-loop or aux winding feedback topologies
