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eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Supply Module 24V to 12V 9V 5V 3V (6 Pack)
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Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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Purchase options and add-ons
Brand | EBOOT |
Current Rating | 3 Amps |
Minimum Frequency | 50 Hz |
About this item
- Mini MP1584EN DC to DC buck converter module with a wide operating range
- Input voltage: 4.5 V to 28 V; Output voltage: 0.8 V to 20 V
- Output current: 3 A (maximum); Conversion efficiency: 92% (maximum)
- Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
- Operating temperature: -45 ℃ to 85 ℃; Size: 22 mm by 17 mm by 4 mm; Warning: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output power) or without load
Additional Details
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This Item eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Supply Module 24V to 12V 9V 5V 3V (6 Pack) | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $9.95$9.95 | -23% $15.30$15.30 List: $19.99 | $7.99$7.99 | $7.99$7.99 | $11.99$11.99 | $10.99$10.99 |
Delivery | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 |
Customer Ratings | ||||||
Value for money | 4.1 | 4.1 | 4.2 | 3.8 | 4.1 | 3.9 |
Accuracy | 4.0 | 4.0 | 3.0 | 3.6 | 4.0 | 3.9 |
Easy to use | 3.9 | 3.5 | 4.2 | 3.6 | 3.5 | 3.9 |
Versatility | 4.0 | 3.7 | — | — | 3.7 | 3.6 |
Easy to install | 4.3 | — | — | 3.6 | — | 4.6 |
Sold By | PATELAI | DROK | Aitrip | Maxmoral | DROK | Valefod-direct |
current rating | 3 amps | 3 amps | 3.0 amps, 2.5 amps | 3 amps | 1.5 amps, 3.0 amps | 3.0 amps, 2.5 amps |
minimum frequency | 50 hertz | 50 hertz | — | — | 50 hertz | 50 hertz |
model number | EBOOT-POWER-CONVERTERS-01 | — | LM2596 | LM2596-3A-2 | 2001708032 | VA-HW-411 |
weight | — | 0.63 ounces | — | 1.58 ounces | 0.63 ounces | 14 grams |
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MP1584EN DC-DC Buck Converter Adjustable Power Supply
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Product information
Product Dimensions | 0.87 x 0.63 x 0.16 inches |
---|---|
Item Weight | 0.352 ounces |
ASIN | B01MQGMOKI |
Item model number | EBOOT-POWER-CONVERTERS-01 |
Customer Reviews |
4.4 out of 5 stars |
Is Discontinued By Manufacturer | No |
Date First Available | November 10, 2016 |
Manufacturer | eBoot |
Warranty & Support
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Product Description
eBoot Mini MP1584EN DC to DC buck converter adjustable power supply module 24V to 12V 9V 5V 3V, 6 Pack
Specifications:
Input voltage: 4.5 V to 28 V
Output voltage: 0.8 V to 20 V
Output current: 3 A (maximum)
Conversion efficiency: 92% (maximum)
Output ripple: less than 30 mV
Switching frequency: 1.5 MHz (highest), typically 1 MHz
Operating temperature: -45 ℃ to 85 ℃
Size: 22 mm by 17 mm by 4 mm
Application: DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply,etc.
Package includes:
6 x Mini MP1584EN DC to DC buck converter
You can adjust the voltage by placing a multi-meter on the output, synchronously, using a screw driver to adjust a potentiometer. It can be minute adjustments to achieve a precise voltage.
Kindly reminder
These boards are adjustable current limiting, fixed 3A current limit.
Please make sure that this module within its working range before using.
Please don't output short circuit, otherwise the board would burn out.
When setting the parameter, please make sure output voltage is stable before using the module to avoid any possible damage.
Tips:
Please check if the product package is intact before opening.
Please check if the negative and positive terminals are accessed correctly before operating.
The input voltage should not be over 28 V to avoid damage.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance of the transformer. They say it works well and is reliable. They also like the value for money. However, some customers have reported issues with the adjustability of the product. They mention that the potentiometer can be difficult to adjust and fragile. Customers also differ on quality, output voltage, size, ease of use, and noise.
AI-generated from the text of customer reviews
Customers like the performance of the transformer. They say it works well, the potentiometer works well to dial the voltage output, and it's simple to use. Some say it'll work great for all sorts of electronic projects, and is reliable. Some mention that it'd be a dream in terms of form factor and performance.
"It worked great when I tested one of them. So I permanently glued it to my setup. And now the potentiometer is not changing the voltage on 3 of them...." Read more
"The actual functionality of the product is really good...." Read more
"I used 4 of these to swap the fans on my Ender 3 v2 and they worked out great!..." Read more
"Seems to work well even at low load if the input voltage is at least a few volts higher than the output voltage...." Read more
Customers appreciate the value of the transformer. They say it's an excellent value for money, versatile, and great as a low-cost electronic firework. Customers also mention that the buck converters are incredibly cheap and excellent quality.
"...Love it overall, great package size, efficient and a wonderful value. Good to have in the bin for later projects." Read more
"...and stay dang steady.. These are without a doubt the best cost to preformance ratio bucks you can buy......" Read more
"...this tiny board which is not convenient for many but overall great value for the price." Read more
"...Excellent value for the dollar, and they do work just fine...." Read more
Customers are mixed about the quality of the transformer. Some mention that the build quality is good, reliable, and stable. They say it has a nice stable output at 1/4 W load. However, others say that it's fragile, easy to break, and not stable at all.
"...They're extremely easy to use and the build quality is good too, aside from the functional but impossibly cheap set screw...." Read more
"...So it's too cheap to really be useful...." Read more
"...It has been stable and consistent for over a month now...." Read more
"The boards are very tiny, and easily damaged. I had a circuit that was working using them that stopped working and ruined a bunch of components...." Read more
Customers are mixed about the output voltage of the transformer. Some mention that it manages the voltage on the capacitor very nicely, and can regulate power at 5V very well. However, others say that it changes the voltage to an extreme amount, and is difficult to control.
"...So I permanently glued it to my setup. And now the potentiometer is not changing the voltage on 3 of them...." Read more
"...This is a high efficiency buck converter, good for actually pretty decent loads, and you get 6 of them...." Read more
"...WORSE - the moment I put a load on the output, the voltage dropped a few decimal points. So I had to start all over again...." Read more
"...are incredibly cheap and excellent quality.. over preform and stay dang steady.. These are without a doubt the best cost to preformance ratio bucks..." Read more
Customers are mixed about the size of the transformer. Some mention that it's very compact and can easily fit it into projects. However, others say that the boards are very tiny and easily damaged. The pot is small and the buck converters are smaller than picture suggests.
"...Love it overall, great package size, efficient and a wonderful value. Good to have in the bin for later projects." Read more
"The boards are very tiny, and easily damaged. I had a circuit that was working using them that stopped working and ruined a bunch of components...." Read more
"...This looked like a good option - small and "agile".As others have written - it's HARD to adjust...." Read more
"...These work perfectly.Pros:- Extremely small- 2 +/- output pads- No noise-..." Read more
Customers are mixed about the ease of use of the transformer. Some mention it's easy to set up, and easy to solder wires to, while others say that the potentiometer is way too finicky and nearly impossible to set. They also say that it comes with no instructions or data sheet.
"...They're extremely easy to use and the build quality is good too, aside from the functional but impossibly cheap set screw...." Read more
"...Install is just a bit harder." Read more
"...Setting the voltage out put, is fairly simple. Worked, went from 20v to 12v no problem little fiddly but not to bad." Read more
"...Simple to use, gets the job done.No idea why Amazon wanted them rated for Warmth and Sheerness but tossed in 5 stars for those too...." Read more
Customers are mixed about the noise of the transformer. Some mention that it has relatively low noise on the output, and is great for a silent mod. However, others say that the noise is high, annoying, and can be heard in an otherwise silent room. The voltage seems unstable, and the pitch changes randomly.
"...have mentioned: these are noisy (RF) devices, so particularly audio is subject to interference...." Read more
"...Pros:- Extremely small- 2 +/- output pads- No noise-..." Read more
"...and they were getting way too hot, and there was a ton of noise on the output line..." Read more
"...seem stable enough for micro controller. It does make a funny noise when under ANY load... I think I can deal with it" Read more
Customers find the adjustability of the transformer to be difficult and fragile. They also say the adjustment knob is small and sensitive, making it difficult to adjust with accuracy. Customers also mention that the potentiometer is very small and difficult to use. Overall, customers are dissatisfied with the adjust ability of the product.
"...the only issue I had was adjusting the voltage output as the adjuster is so itty bitty...." Read more
"...As others have written - it's HARD to adjust...." Read more
"...on your application but I do like the idea of being able to fine tune the output...." Read more
"...As others have mentioned, adjusting voltage is a bit tedious and requires a small (tiny) screwdriver and it is somewhat hard to dial in, but it..." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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EDIT: I changed my mind. They are working really good now. Yeah the potentiometer can be finicky but it works. By trial and error you can get the right voltage. Just be careful to go really slow and gentle while changing voltage. Don’t push down too hard and turn slowly.
Reviewed in the United States on December 9, 2023
EDIT: I changed my mind. They are working really good now. Yeah the potentiometer can be finicky but it works. By trial and error you can get the right voltage. Just be careful to go really slow and gentle while changing voltage. Don’t push down too hard and turn slowly.
The only bad thing is there are no mounting holes, no great way to secure this in any project you might be working on, and the through holes for in and out are irregularly spaced so it can't be used on a breadboard or a wire wrap board! Each pair of in/out pins have 0.1" standard spacing but their distance from one another is not on that grid so you'll never seat this board on to anything but a custom PCB! Baffling. Even worse because there are no other mount points.
I have read other reviews of input voltages exceeding the rating of the filter capacitor, so it's something to be wary of, but unfortunately there is no way to check the voltage rating of it so I cannot vouch for that.
Love it overall, great package size, efficient and a wonderful value. Good to have in the bin for later projects.
I have read other reviews of input voltages exceeding the rating of the filter capacitor, so it's something to be wary of, but unfortunately there is no way to check the voltage rating of it so I cannot vouch for that.
Love it overall, great package size, efficient and a wonderful value. Good to have in the bin for later projects.
As others have written - it's HARD to adjust. I had to use special screw drivers to make adjustments (ceramic) - I destroyed the first unit I tried to use. Even a tine adjustment makes a "huge" difference and getting to the exact right voltage is hard. WORSE - the moment I put a load on the output, the voltage dropped a few decimal points. So I had to start all over again. I was never able to get "exactly" 5.1v as I wanted - it jumped between 5.12 and 5.0x. Worse, touching the potentiometer also resulted in changes. So expect to spend quite a while doing this. I'm beginning to think just adding a zener for voltage regulation post this unit is much better and more precise. It's for this reason alone I'm keeping them.
This unit goes bonkers when the input amp hits around 1amp. I had a 1.1amp using a simple load resister on the unit, with a 12V input. Initially I managed to get that working, and it ran for a few minutes very steady according to my scope. I then wanted to up the amperage use and that's when things went bad. Once I put a load higher than the 1.1Amp the unit keeps turning on/off. Worse, even at 12V it wanted 1.5A on the input to just drive this - while it kept switching on/off. My current limit initially made me think my 5 minute test had destroyed it. It just keeps turning on/off when there's a substantial load. So for my project this will not work.
If you need less than 1Amp on the output this looks like a great solution vs. a regulator that gets very hot around 0.5A (at least if you use the good old 7805). It's a great alternative that works once you've dialed the unit in. Do consider a zener for more precise regulation - set the output a bit high so it will be right under load.
I compared the units temperature during the 5 minute test run with a 7805 - the 7805 maxed out at around 150C - when I turned it off. This unit never got higher than 45C - much better from an efficiency perspective.
So it's too cheap to really be useful. But for a quick prototype where you don't have a cheap transformer with steady voltage, this will definitely do.
If you cook the coil on it it does NOT allow full voltage to pass through (I have had some buck regs fail and allow full voltage to pass through for a few seconds.. I killed two of these intentionally to make sure that when it failed no voltage pass through and on neither one did that happen and that makes me VERY HAPPY. A failure acts like a breaker, it fails it fails and circuit is instantly broken.. I tested this with a O-scope and it had 0ms of full voltage seep when it failed..) These are incredibly cheap and excellent quality.. over preform and stay dang steady.. These are without a doubt the best cost to preformance ratio bucks you can buy...
Bucks are not a place to skimp and buy as cheap as possible BECAUSE a failure on a buck that is supplying constant regulated voltage to high dollar electronics and fail and allow unregulated voltage to seep by for even a 1ms can damage sensitive to voltage electronics and ruin your day and make you wish you wouldn't have saved that 30 cents per piece.
Top reviews from other countries
Seems to be working great! cant wait to use the other 5 somewhere