The power supply unit is smaller with a component area reduced by 72% compared to conventional models! A compact, energy-saving DC-DC converter IC that saves space and reduces standby power consumption

ROHM manufactures refrigerators, washing machines, PLCs, inverters, etc. Ideal for consumer and industrial applications In response to these demands, ROHM has developed the compact DC-DC converter ICs "BD9ExxxFP4-Z / BD9E304FP4-LBZ / BD9A201FP4-LBZ." As of March 12, 2024Contents of the announcement)

【table of contents】Click to move within the page.
●Product Features● Various support tools ● S OT23 package product lineup (Data sheet available) ● Product introduction material download● inquiry
　
＜Product Features＞
1. Contributes to miniaturization of power supply section
Adopts a small SOT23 package, compared to conventional products. Parts area reduced by approximately 72% Did.
　
2. Improved efficiency at light loads
Improved efficiency during light loads. For applications that want to reduce standby power consumption It's perfect.
(BD9E105FP4-Z / BD9E202FP4-Z / BD9E304FP4-LBZ)
　
3. Extensive design support content
We provide evaluation boards, calculation tools, and web simulators that are useful for evaluation during design.

Various support tools

The link will take you to the ROHM website.

■ Calculation Sheet: This is a calculation tool for application circuits that can be used for external constant design. By setting values according to the explanation, you can determine the circuit parameters that satisfy the desired characteristics.
They can be downloaded from the "Models and Tools" section of each product page on the ROHM official website.
"BD9E105FP4-Z  /  BD9E304FP4-LBZ  /  BD9A201FP4-LBZ​

■ ROHM Solution Simulator: A free simulation tool that can be run on the official ROHM website. By changing the external constants in the topology described in the data sheet, you can easily study the optimal solution for the frequency response of the power supply.
"BD9E105FP4-Z  /  BD9E202FP4-Z  /  BD9E304FP4-LBZ  /  BD9A201FP4-LBZ" *You will need to log in to MyROHM to use this service.

■ Other content:​ ​SPICE models that can be used for circuit simulation, as well as application notes containing information useful for thermal design and circuit design and verification, can also be downloaded from each product page.

SOT23 package product lineup

☆: Under development (as of March 12, 2024)

Download product brochure

Click the link below to download from the ROHM website.

Inquiry

If you have any questions, please contact us from here.