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Description
ROHM BD9A300MUV-E2 DC-DC Switching Buck Step Down Regulator, Adjustable, 2.7V-5.5Vin, 800mV-3.85Vout, 3Aout, VQFN-16This is a DC DC Switching Buck Step Down Regulator, Adjustable, 2. 7V 5. 5Vin, 800mV 3. 85Vout, 3Aout, VQFN 16 product from ROHM with the model number BD9A300MUV E2Product details Input Voltage Max 5. 5V Output Current 3A No. of Outputs 1Outputs Operating Temperature Max 85C No. of Pins 16Pins Output Voltage Max 3. 85V Output Voltage Min 800mV Input Voltage Min 2. 7V Product Range Topology Synchronous Buck (Step Down) Automotive Qualification Standard
This is a DC-DC Switching Buck Step Down Regulator, Adjustable, 2.7V-5.5Vin, 800mV-3.85Vout, 3Aout, VQFN-16 product from ROHM with the model number BD9A300MUV-E2Product details
| Input Voltage Max | 5.5V |
| Output Current | 3A |
| No. of Outputs | 1Outputs |
| Operating Temperature Max | 85°C |
| No. of Pins | 16Pins |
| Output Voltage Max | 3.85V |
| Output Voltage Min | 800mV |
| Input Voltage Min | 2.7V |
| Product Range | - |
| Topology | Synchronous Buck (Step Down) |
| Automotive Qualification Standard | - |
| DC / DC Converter IC Case | VQFN |
| Switching Frequency | 1MHz |
| Packaging | Cut Tape |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | ROHM |
| Part Number | BD9A300MUV-E2 |
| Quantity | Each |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great bottle opener
Size: One Size, Style: Bottle Opener
Love this bottle opener. Looks and feels just like the screwdriver. Easy to grip just like the hand tools. Good gift idea for the electrician or a diy person that appreciates quality tools.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Great bottle opener and looks cool too
Size: One Size, Style: Bottle Opener
Love this opener. Matches with all the other screwdrivers in my tool box and have it ready to whip open a beer whenever needed. Slips into the pocket to carry with you as well. Solid tool and I gave a couple buddies one as a gift. These will see many years of beer opening super fast.
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Reviewed in the United States on November 9, 2025
★★★★★ 5
Funny yet good bottle opener
Size: One Size, Style: Bottle Opener
Nice rubber grip. It would be better if the metal part was one inch longer, but still very functional.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
The right tool for the job.
Size: One Size, Style: Bottle Opener, Size: One Size, Style: Bottle Opener
This is the tool you want. It is exceptionally functional, well made (made in the USA, if that matters to you), and beautiful in the way that quality tools are. The thing that really sets this tool apart is that it correctly balances form vs. function: a heavy duty build (as is the point when buying a bottle opener built by a tool company) without its use as a bottle opener (as is the point when buying ANY bottle opener) being negatively impacted by said build. I also bought the Craftsman bottle cap wrench, which, in my opinion, is hugely successful as feeling like a heavy duty tool and something of a failure as a bottle opener. It's so large and heavy, it has equal mass to the bottle you're opening. Imagine your buddy who has had one too many wielding a 12 oz. steel wrench over your tile floor, countertop, toes, etc. and you'll get the idea.
Lastly, the engraving and materials on this Klein tool are so attractive I had to build it a custom wall mount instead of hiding it away in a drawer or tool chest. I will be buying a second for the office.
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Reviewed in the United States on March 20, 2016
★★★★★ 5
Solid Quality
Size: One Size, Style: Bottle Opener, Size: One Size, Style: Bottle Opener
Solid quality!
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Reviewed in the United States on May 31, 2026
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