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UBEC DC/DC Step-Down (Buck) Converter – 5V @ 3A output Adafruit

Original price was: $ 9,95.Current price is: $ 5,97.

SKU: mode_6294901316 Category: Power > Converters Tags: 5V, buck, Converters, step-down, updated 11-22

Description
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Your power supply problems just got SOLVED! This little circuit board may look tiny but inside is a high efficiency DC/DC step-down converter which can output up to 3 Amp at 5V without the need of any heat-sink or forced cooling. (It does get a bit toasty at 3A though) UBEC stands for “universal battery eliminator circuit” and this UBEC is designed to replace a 5V supply in RC planes and ‘copters but its also great for any kind of microcontroller or electronics project that runs off of 5V. We tried a half dozen different ‘BECs and found this one to be the best in terms of range and stability. You can check the technical tab for the analysis of input/output range and current draw.

To use, connect 6V-23V to the IN-side wires and 5V will be generated on the OUT-side wires. You’ll get 5V (+-5%) regulated output from 6 – 23VDC input. 3A output current, 5A peak – if you’re trying to draw 3A you’ll need to give it a little more than 6V though, 7V works well. The UBEC has built in filter capacitors on the input and output, but it’s a switching supply so it’s a little noisy compared to a linear regulator.

Technical Details

We pulled the heatshrink off of one and found an MP2307. You can check the datasheet for conversion efficiency and other specifications. The input capacitor might be rated for 16V max.

Here are some numbers we found when attaching various loads to the UBEC:

Iout Vin Iin Vout

0.5A 6V 0.47A 4.9V

0.5A 7V 0.39A 5.2V

0.5A 9V 0.35A 5.2V

0.5A 12V 0.28A 5.25V

Iout Vin Iin Vout

1A 6V 0.9A 4.8V

1A 7V 0.79A 5.2V

1A 9V 0.67A 5.1V

1A 12V 0.52A 5.2V

Iout Vin Iin Vout

2A 6V 1.85A 4.9V

2A 7V 1.67A 5.1V

2A 9V 1.28A 5.0V

2A 12V 0.97A 4.9V

Iout Vin Iin Vout

3A 7V 2.6A 5.0V

3A 9V 1.88A 4.7V

3A 12V 1.43A 4.8V

Fast Shipping and Professional Packing

We offer a broad range of shipping options due to our long-standing partnerships with UPS, FedEx and DHL. Our warehouse staff is highly trained and will pack the goods according to our precise and exact specifications. Before shipping, all goods will be thoroughly examined and securely secured. We deliver to hundreds of thousands of customers every day in different countries. The fact that we are determined to become the largest online retailer in the world is evident. Warehouses and distribution centres can be located in Europe as well as the USA.

Note: Orders with more than one item will be assigned a separate processing time for each item.

Before shipment, all ordered items will be thoroughly examined. Most orders are now shipped within 48 hrs. Delivery is expected to take between 3 and seven days.

Returns

Stock is dynamic, and cannot be fully controlled by us because of the involvement of multiple parties including the factory and our warehouse. This means that the actual stock could alter at any time. It's possible that the stocks could be depleted after your order has been processed.

The policy is for 30 days. Unfortunately, if 30 days have passed from the date you purchased the item, we will not be able to provide a refund or exchange.

The item must not be in use and must be in the original packaging. You must have the item in the original packaging.

UBEC DC/DC Step-Down (Buck) Converter – 5V @ 3A output Adafruit

Technical Details

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