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October 5, 2017 08:04

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Reference Design -ROHM Buck DC/DC Converter BD9E300EFJ

The reference circuit design of DC/DC Converter BD9E300EFJ (ROHM) was converted into Designspark PCB format. The BD9E300EFJ is a 7.0V to 36V input, 2.5A integrated MOSFET single synchronous buck switching regulator.

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Buck DC/DC Converter BD9E300EFJ

This product guarantees long life cycle in Industrial market. BD9E300EFJ-LB is a synchronous buck switching regulator with built-in power MOSFETs. It is capable of an output current of up to 2.5A. It has a high oscillation frequency of 1MHz while using small inductance value. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily.

Specifications

  • Input Voltage Range: 7.0V to 36V „
  • Output Voltage Range: 1.0V to VIN×0.7V „
  • Output Current: 2.5A (Max) „
  • Switching Frequency: 1MHz (Typ) „
  • High-Side MOSFET ON-Resistance: 170mΩ (Typ) „
  • Low-Side MOSFET ON-Resistance: 140mΩ (Typ) „
  • Standby Current: 0μA (Typ)

What are included in the reference design file?

A Schematics design file (.sch), a PCB layout design file(.pcb), and parts library files for the design are provided. A RS part number and size information of parts are already linked to each part in the library. So you can directly order parts to RS by using the BOM quote feature, or can convert PCB files into 3D CAD data to design and simulate cases of boards. Of course, parts in the library would be used in another design. 

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 Schematic

 

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 PCB layout

 

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 Parts library

 

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 Convert Designspark PCB designs into Designspark Mechanical 3D models

 

What is DesignSpark PCB format?

DesignSpark PCB is an award-winning software package for schematic capture and PCB layout, available for FREE from RS Components. Our software is easy to learn and use yet surprisingly powerful. DesignSpark PCB is now widely adopted in the industry as a standard format for design file sharing and collaboration. This is especially useful in the prototyping phase where most of the innovation takes place. Not yet a DesignSpark PCB user? 

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October 5, 2017 08:04

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