Excellent little converters, easy to set desired voltage. I use them any time I need a 5V from a 12V battery, within 0.1-1.5 Amp range. All I've ordered arrived quickly and worked fine.
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MP1584EN DC-DC Buck Converter Adjustable Power SupplyeBoot Online
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EBOOT Mini MP1584EN DC-DC Abwärtswandler, verstellbares Leistungsmodul, 24 V auf 12 V, 9 V, 5 V, 3 V (6)
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Kaufoptionen und Plus-Produkte
| Marke | EBOOT |
| Aktuelle Bewertung | 3 Ampere |
| Mindestfrequenz | 50 Hz |
| UPC | 713072676690 |
| Hersteller | eBoot |
Info zu diesem Artikel
- Mini MP1584EN DC zu DC Buck-Konvertermodul mit einem breiten Betriebsbereich
- Eingangsspannung 4,5 V bis 28 V; Ausgangsspannung 0,8 V bis 20 V
- Ausgangsstrom:3A (maximal); Umwandlungseffizienz:92% (maximal)
- Ausgangswelligkeit: weniger als 30 mV; Schaltfrequenz 1,5 MHz (höchste), typischerweise 1 MHz
- Betriebstemperatur: -45 ℃ bis 85 ℃; Größe:22 mm x 17 mm x 4 mm; Warnung: die positiven und negativen Klemmen nicht umkehren, um mögliche Schäden zu vermeiden; Verwenden Sie keine leichte Last (weniger als 10% der Ausgangsleistung) oder ohne Last
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4 von 5 Sternen
decent buck converter
This product seems to function as advertised, although I have not done extensive testing. I have used it in a few led projects successfully. You are not provided with any useful dimensions, so here is an image of what I have measured. You should be able to use this to make a footprint for a pcb design if you will be incorporating this component into a pcb project.
Vielen Dank für dein Feedback.
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Spitzenrezensionen
Spitzenrezensionen aus USA
Derzeit tritt ein Problem beim Filtern der Rezensionen auf. Bitte versuche es später erneut.
Bewertet in den USA am6. Juli 2024
Stückzahl: 12Verifizierter Kauf
Bewertet in den USA am9. Dezember 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.
Stückzahl: 6Verifizierter Kauf
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. I am pretty sure I didn’t turn it too far but who knows maybe I applied too much force. So just be gentle I guess. Giving it 1 star because the product was great when it worked. But didn’t even last a few seconds of adjustments.
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.
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.
5,0 von 5 Sternen
Worked great in the beginning
Bewertet in den USA am9. Dezember 2023
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. I am pretty sure I didn’t turn it too far but who knows maybe I applied too much force. So just be gentle I guess. Giving it 1 star because the product was great when it worked. But didn’t even last a few seconds of adjustments.Bewertet in den USA am9. Dezember 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.
Bilder in dieser Rezension
Bewertet in den USA am1. November 2024
Stückzahl: 12Verifizierter Kauf
This product seems to function as advertised, although I have not done extensive testing. I have used it in a few led projects successfully. You are not provided with any useful dimensions, so here is an image of what I have measured. You should be able to use this to make a footprint for a pcb design if you will be incorporating this component into a pcb project.
This product seems to function as advertised, although I have not done extensive testing. I have used it in a few led projects successfully. You are not provided with any useful dimensions, so here is an image of what I have measured. You should be able to use this to make a footprint for a pcb design if you will be incorporating this component into a pcb project.
Bilder in dieser Rezension
Bewertet in den USA am3. Dezember 2022
Stückzahl: 6Verifizierter Kauf
I’m an Escape Room owner and have used these many times to reduce 12vdc voltage to 9v, 6v, 4.5v to power different escape room technical props/puzzles. I’ve also used to replace battery operated Halloween props like blow mold pumpkins using a 12v power supply and knocking down the voltage to replace the need for batteries. Cat5 wire or speaker wire works well, in a pinch, to accomplish this.
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 works with a little patience. Make sure your input power and polarity is correct or you will fire the circuit board. I tend to use a large heat shrink tube to enclose/protect the circuit board after hooking things up.
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 works with a little patience. Make sure your input power and polarity is correct or you will fire the circuit board. I tend to use a large heat shrink tube to enclose/protect the circuit board after hooking things up.
Bewertet in den USA am4. Dezember 2023
Stückzahl: 6Verifizierter Kauf
I used 4 of these to swap the fans on my Ender 3 v2 and they worked out great! I also added one to a sunlu s1 heatbox from 24v dropped to roughly 14v where this little pcb has to live inside of a 55c degree chamber for the rest of its life. So far they are holding up after a few weeks!
Bewertet in den USA am13. Januar 2020
Stückzahl: 6Verifizierter Kauf
This is an example of "if it sounds too good to be true, it is". I have several other buck converters - they work great. For a project I needed smaller units to provide at least 5V/1A - I would like to to be able to handle 2Amps. This looked like a good option - small and "agile".
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.
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.
Bewertet in den USA am28. April 2018
Stückzahl: 6Verifizierter Kauf
Excellent adjustable buck style voltage regulators.. don't get hot, provide a soild voltage feed with raises and falls that stay within 1 to 2 hundredths a volt.. give a fairly clean output voltage (still need a LC filter if you want very clean wave forms) provides 0.6 to 23 volts from my testing.. able to pull a constant 3.5 amps off it at 16.8v without it getting hot 2.5amps at 20volts gets warm but ok... 3amps at 20v will cook the coil in about 20 minutes.. at 12v I was able to pull a solid 4.2a off it for 2 hours and the temp never got above 97F, 4.5a at 12v smoked it in 7 minutes...
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.
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.
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Bewertet in den USA am23. September 2024
Stückzahl: 6Verifizierter Kauf
installed some LED to my RC and needed these to make it work. The Rc looking real good now with the added lights
Spitzenrezensionen aus anderen Ländern
Craig Willis
5,0 von 5 Sternen
Cheap, easy, and efficient
Bewertet in Kanada am 11. August 2022Stückzahl: 6Verifizierter Kauf
I got these to power a raspberry pi on my 3d printer. it was really simple to set it to 5.3v out on 24v in and it gets warm but not to a concerning level. voltage seems steady.
Seems to be working great! cant wait to use the other 5 somewhere
Seems to be working great! cant wait to use the other 5 somewhere
Achronyme
5,0 von 5 Sternen
Excellent product
Bewertet in Kanada am 6. Juli 2023Stückzahl: 6Verifizierter Kauf
As described. Works perfectly.
Amazon Customer
4,0 von 5 Sternen
Not the smallest but it's okay
Bewertet in Kanada am 11. April 2023Stückzahl: 6Verifizierter Kauf
It had the right pin pitch for a breadboard and the pot could be adjusted to get the right output voltage.
Amazon Customer
5,0 von 5 Sternen
Flexible, easy to use, and excellent value
Bewertet in Kanada am 16. Juli 2021Stückzahl: 6Verifizierter Kauf
This device is small and adjustable to any voltage within the range specified, not just the discrete voltages listed. ie you don't select a voltage from a finite set of choices, you adjust it to anything you want in the range. Once set, it doesn't matter what the input voltage is, so long as it's within the specified range. At 3A rated output, it's perfect for mobile application payloads (eg. on drones), instrumentation platforms, and so on to name a few. At the low cost these devices sell for, I'm going to buy another batch just to have them around for those last minute projects that need a great stable power supply.
Curtis Murphy
5,0 von 5 Sternen
Does what it says.
Bewertet in Kanada am 11. Juli 2022Stückzahl: 6Verifizierter Kauf
I used this buck converter to convert a set of solar LED string lights to run off the 12v battery in my tent camper. I simply connected it to a spare 12v battery on my bench to set the output to 3.5v before shrink-wraping and installing it by splicing into the existing exterior light circuit on the trailer. I was concerned that a higher input voltage while charging the trailer battery may effect the output voltage but it does not. Steady 3.5v regardless of input voltage. I will report back on dependability and heat generation after I've run them for an extended time in a few weeks.

