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Description
STMICROELECTRONICS L7986TR DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.5V-38Vin, 600mV-38Vout, 3Aout, VFQFN-10This is a DC DC Switching Buck (Step Down) Regulator, Adjustable, 4. 5V 38Vin, 600mV 38Vout, 3Aout, VFQFN 10 product from STMICROELECTRONICS with the model number L7986TRProduct details Topology Buck (Step Down) Input Voltage Min 4. 5V Input Voltage Max 38V No. of Outputs 1Outputs DC DC Converter IC Case VFQFN No. of Pins 10Pins Output Current 3A Output Voltage Min 600mV Output Voltage Max 38V Switching Frequency 250kHz Operating Temperature Max 150C
This is a DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.5V-38Vin, 600mV-38Vout, 3Aout, VFQFN-10 product from STMICROELECTRONICS with the model number L7986TRProduct details
| Topology | Buck (Step Down) |
| Input Voltage Min | 4.5V |
| Input Voltage Max | 38V |
| No. of Outputs | 1Outputs |
| DC / DC Converter IC Case | VFQFN |
| No. of Pins | 10Pins |
| Output Current | 3A |
| Output Voltage Min | 600mV |
| Output Voltage Max | 38V |
| Switching Frequency | 250kHz |
| Operating Temperature Max | 150°C |
| Packaging | Cut Tape |
| Product Range | - |
| Automotive Qualification Standard | - |
| MSL | MSL 3 - 168 hours |
Other details
| Brand | STMICROELECTRONICS |
| Part Number | L7986TR |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice 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.
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- Free Standard Shipping on $100+ Orders to the USA.
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- We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome.
The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings.
One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐
These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room.
Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project.
One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely.
The rest of the hardware worked fine and once installed the shelves feel solid and hold items well.
Pros
- Clean modern look
- Easy installation
- Feels solid once mounted
- Good size for books or decor
Cons
- The small level included isn’t very accurate — use your own level
- One of the metal brackets was slightly bent out of the box but straightened out easily
Helpful tip:
Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely.
Final thoughts:
For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Cute for coffee bar!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Great for above my coffee bar. Easy to mount and align. Seems stable!
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great shelves, strong, secure, sturdy, decent size, unbeatable price.
Color: White, Number Of Shelves: 4, Size: 15.7in
Easy installation fits where we wanted them. Stable strong secure snug fit. Cleans easily with dust wipe. I would recommend buying these.
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Reviewed in the United States on May 19, 2026
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