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Comidox

Comidox 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to 5V DC-DC Step Up Power Module Voltage Boost Converter Board 0.9-5V to 5V 5PCS

    • Based on 184 reviews
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Availability: In Stock.
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Arrives Monday, May 20
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Features

  • DC-DC boost converter module, operating frequency 150KHZ, typical conversion efficiency of 85%.
  • Pin 2.54MM pitch.
  • Input voltage: 0.9-5V, output voltage: 5V, maximum output current: 480 mA.
  • Dimensions: 11mm x 10.5mm x 7.5mm (ultra-small module, 1mm=0.0393inch)
  • Weight: about 1g

Description

Voltage and current correspondence: Starting voltage 0.8V, output current 7MA Input 1-1.5V, output 5V 40-100MA Input 1.5-2V, output 5V 100-150MA Input 2-3V, output 5V 150-380MA Input more than 3V, output 5V 380-480MA This is a voltage boost converter module. When using it, be sure to observe the following conditions: The input voltage cannot be greater than the nominal voltage, otherwise the module will burn out The input power must be greater than the output power, otherwise the output voltage will be less than the nominal voltage The output load cannot be greater than the nominal load, otherwise the output voltage will be less than the nominal voltage Note: The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully! Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 5Pcs


Brand: Comidox


Color: green black


Item Weight: 1 Grams


Input Voltage: 5 Volts


Output Voltage: 5 Volts


Package Dimensions: 4.41 x 2.99 x 1.5 inches


Item Weight: 0.035 ounces


Item model number: CP323


Is Discontinued By Manufacturer: No


Date First Available: December 8, 2018


Manufacturer: Comidox


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If you place your order now, the estimated arrival date for this product is: Monday, May 20

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Top Amazon Reviews

    • Great boosters
All 5 boosters worked just fine. Tested them as a Joule Thief with a green LED and 5.1K series resistor (draws around 0.5mA at 5V) as a load. All boosters managed to turn the LED on with as little as 0.52V on the input. And the maximum draw on the input was about 7mA which happens when the input voltage is on the low end (0.52V). At higher input voltages the input current to the booster is lower. ... show more
Reviewed in the United States on August 15, 2023 by Amaruk
    • Used these to power a 5v device with a 3.7v source
Didn't quite work, but that's because I had too much current draw. The modules output 5v as described, I was just pushing them too hard. I will be using them in other projects though.
Reviewed in the United States on July 9, 2023 by M.
    • Easy to use and they basically work. HOWEVER - Very inefficient.
I used these devices (I am not using them any more) to take power from an 18650 battery and generate 5V for target devices. They are super-simple to use (just 3-wires), and they worked well out of the box. The 5V is stable and clean (add a few caps, downstream, of course). They are not at all efficient. Best case, when the input voltage is 4.5V+ (fully charged battery), they yielded about 84% efficiency. However (and this dramatic a drop was surprising to me), the efficiency drops as the input voltage drops. With 2.8V going in (like when a battery is nearing exhaustion), the efficiency is 44%. Around 2.8V they get a little wonky and won't up-convert voltage much below that. So this means that as your battery drains, the efficiency drops, requiring more and more power from the battery to satisfy a constant load, for example. It's an accelerating cycle that drains the battery really quickly. That's too bad, since these are tiny, easy to deploy units with a relatively clean output. They're kind-of battery killers, though. Modern DC/DC converters should be able to maintain 90%+ efficiency over their full range of input voltages. For non-battery powered applications where power does not matter, or your load is very, very light, and all you need to do is convert a voltage between about 3V-5V to a stable 5.0V output, they'd probably be OK. ... show more
Reviewed in the United States on April 26, 2023 by Stephen Metzger
    • Perfect for battery-powered projects that need 5V
Having jelly-bean parts like this available makes electronics fun again! It would be nice if there was a 3.3V model available as well, since many chips today either prefer or require 3.3V.
Reviewed in the United States on June 22, 2023 by JimT
    • Works as advertised - may need a pull down resistor if application is "high" frequency
Review Image by Annette Davis Annette Davis
Review Image by Annette Davis Annette Davis
Works well, however it takes about a quarter of a second for voltage to fall off when boosting 0.8V to 5V. This can be fixed with a pull down resistor. I am using this to take a 0.8V signal and boost it to 5V so that an arduino can trigger off the 5V signal (input must be over 3V for arduino to read high). The thing I'm measuring rotates up to 6k RPM so I need a signal to go from on to off in a few milliseconds. The voltage would not fall off quick enough on this for the arduino to read low before the next cycle starts, so I had to add a 1k pulldown resistor between ground and the 5V line so that the voltage falls off quick enough. Now works great with this addition. Nothing is getting noticeably hot. I haven't ran this for any meaningful time so no telling if it'll last, but so far this is a cheap simple solution to triggering arduino with low voltage levels. ... show more
Reviewed in the United States on October 22, 2022 by Annette Davis Annette Davis
    • Almost as advertised…
The media could not be loaded. Output voltage is close to rated (5vdc). However the output current that is published is not accurate. I applied a constant 100mA load (via my electronic DC load) across the rated voltage range. The unit I tested could not reliably support a 100mA @5vdc load under 2.8 vdc input voltage. See my video… ... show more
Reviewed in the United States on February 4, 2023 by David T.
    • Worked for 1S lipo, for RC receiver + 2 sub micro servos.
I purchased this to use with FlySky receiver and 2 tiny sub micro 5g servos. boosting voltage from 2.4 to 5v. It did indeed boost the voltage enough to power the RC receiver. However, it could not power the servos when trying to step up from only 2.4v ( two NiMh batteries ) the servos would not move and the voltage dropped from 5v to 1v when trying to use the servos. This booster is only rated for 480ma. However, using it with a 1S lipo at 3.7v worked just fine.... it is only rated for 480ma so technically my RX and 2 servos may draw more than 480ma but it worked fine on a 40 minute test. For low power applications, it seemed to work well, at the right price and great low weight ( good for RC planes ) at only 1g. However I will probably look for a similar light weight booster rated for 2 amps, as I'm worried this one is rated for only half an amp. ... show more
Reviewed in the United States on April 28, 2021 by Cthulhu
    • Really Tiny 5V Boost Converter, Very Low Power Operation Possible
I bought these to use with 3.7-4.2 V lithium ion batteries for projects where I needed 5V to run older electronics, specifically liquid crystal displays (LCDs). They are really tiny and easy to add to even the smallest project box. They have a significant current capability, but all of my applications are in the battery-operated, micro power range. Without an illuminating LED, most LCDs are in the sub-milliamp range unless updated at high rates. This boost converter uses a small inductor to generate a voltage above the input voltage. By themselves, these controllers draw a minimum no-load current of a few milliamps. I added a 2.5 mH hand-wound toroid inductor to the input wire to augment the inductance on the board, along with a 100 uF capacitor on the output for noise filtering. This dropped the no-load operating current to a fraction of a milliamp. That allowed using the LCD with about a milliamp of added current draw to the battery. There are probably a lot of other applications for these that involve higher currents, but small size and the possibility of very low quiescent current was why I bought them. ... show more
Reviewed in the United States on October 31, 2019 by systemguy

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