The PMP9474 reference design is Fly-Buck solution: with two outputs: one non-isolated power supply: 3.3V@300mA: for MCU: one isolated power supply: 5V@100mA: for RS-485. The most important feature of this design is ultra compact solution size: which is only 26mmx14.5mm. The design uses the LM5017 synchronous buck converter configured as a Fly-Buck regulator. With the benefit of primary side regulation: the supply has the output regulated without the opto-coupler or additional transformer winding. The LM5017 has a wide Vin range which is up to 100V and 600mA output current capability with integrated switch FETs. The input voltage to the reference board can be loosely regulated with a range of 18V to 36V.
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|PMP9474 Gerber||02 Mar 2015||ZIP||84|
|PMP9474 BOM||02 Mar 2015||27|
|PMP9474 Schematic||02 Mar 2015||111|