TIDA-00174, Isolated IGBT Gate-Drive Fly-Buck Power Supply with 4-Outputs Reference Design
Progetto di riferimento usando la parte LM5017MR di Texas Instruments
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- 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
Funzioni principali
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Conversion TypeDC to DC
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Input Voltage24 V
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Output Voltage-9|16 V
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Output Current0.1 A
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Output Power2.5 W
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Efficiency87 %
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TopologyFly-Buck