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5個のミニDC調整可能電源降圧モジュールステップダウンモジュール

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Description

Module Properties: Non-isolated step-down module (BUCK)
Rectification: Synchronous rectification
Input voltage: DC 4.75V-23V
Output voltage: DC 1.0V-17V (Adjustable, Output < Input)
Output current: Rated current 1.8A (3A MAX, can not be prolonged)
Output ripple: 30mV (no-load)
Dimension: 17 x 11 x 4mm(L x W x H) / 0.67'' x 0.43'' x 0.16'' approx
Weight: 1g (per.)

Package included:

5 x Mini DC-DC step-down adjustable module

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ernie.881 VIP3
BE
29/11/2017

Ordered 5 got 7 :-) Thank you very much for the premature Christmas gift!
The only thing, I have to criticize is that both outputs are labeled "OUT -" (see picture)

Ordered 5 got 7 :-) Thank you very much for the premature Christmas gift!
The only thing, I have to criticize is that both outputs are labeled "OUT -" (see picture)

Ordered 5 got 7 :-) Thank you very much for the premature Christmas gift!
The only thing, I have to criticize is that both outputs are labeled "OUT -" (see picture)
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vjgeor VIP2
GR
24/12/2020

Works amazingly for such a small thing. It is so small, it is difficult to solder wires and you need a 1mm screwdriver to adjust. However, once adjusted it has very good input regulation ( see images). From 8.90 to 14.50V input the output changes only 1mV! The input must be at least 1.5V above the desired output for it to work. Adjusting to 3.3V is very touchy if you try to hit 3.30V exactly. I have not tested it for loads regulation or at high current yet.

Works amazingly for such a small thing. It is so small, it is difficult to solder wires and you need a 1mm screwdriver to adjust. However, once adjusted it has very good input regulation ( see images). From 8.90 to 14.50V input the output changes only 1mV! The input must be at least 1.5V above the desired output for it to work. Adjusting to 3.3V is very touchy if you try to hit 3.30V exactly. I have not tested it for loads regulation or at high current yet.

Works amazingly for such a small thing. It is so small, it is difficult to solder wires and you need a 1mm screwdriver to adjust. However, once adjusted it has very good input regulation ( see images). From 8.90 to 14.50V input the output changes only 1mV! The input must be at least 1.5V above the desired output for it to work. Adjusting to 3.3V is very touchy if you try to hit 3.30V exactly. I have not tested it for loads regulation or at high current yet.
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Q:
hi, i want to reduce my 3s lipo to 2s lipo (11.1v to 7.4v), the drone i fly is the Lizard95, will it be higher then 1.8 Amper and burn? and if it does, may i connect 3 of these in parallel?

hi, i want to reduce my 3s lipo to 2s lipo (11.1v to 7.4v), the drone i fly is the Lizard95, will it be higher then 1.8 Amper and burn? and if it does, may i connect 3 of these in parallel?
hi, i want to reduce my 3s lipo to 2s lipo (11.1v to 7.4v), the drone i fly is the Lizard95, will it be higher then 1.8 Amper and burn? and if it does, may i connect 3 of these in parallel?

A:

These modules are not meant for such a high current draw that you are describing. Just like watageek suggests these modules are for powering things like flight controllers or general peripherals not ESC's or motors.

These modules are not meant for such a high current draw that you are describing. Just like watageek suggests these modules are for powering things like flight controllers or general peripherals not ESC's or motors.

Answered by Gaz on 27/11/2018Helpful (0)
0

Q:
Could I use this module to power an Arduino board from a 3s LiPo battery? (The required input voltage for the Arduino is 9 Volts)

Could I use this module to power an Arduino board from a 3s LiPo battery? (The required input voltage for the Arduino is 9 Volts)
Could I use this module to power an Arduino board from a 3s LiPo battery? (The required input voltage for the Arduino is 9 Volts)

A:

Yes. This should be just the thing. Also, if you trim this carefully for 5 or 3v3, you can pass or remove the on board regulator and use this directly for the controller, which will be more efficient than chaining the two. But just connecting this to the 9V input (after you trim the output voltage to 9V!) would probably give smoother voltage.

Yes. This should be just the thing. Also, if you trim this carefully for 5 or 3v3, you can pass or remove the on board regulator and use this directly for the controller, which will be more efficient than chaining the two. But just connecting this to the 9V input (after you trim the output voltage to 9V!) would probably give smoother voltage.

Answered by realblades on 03/08/2019Helpful (0)
0

Q:
Where can I get mounting pins for these regulators?

Where can I get mounting pins for these regulators?
Where can I get mounting pins for these regulators?

A:

The holes (1mm) are for connecting input and output, so only 2 are grounded. I don't think there are premade mounting solutions which take this into account.

The holes (1mm) are for connecting input and output, so only 2 are grounded. I don't think there are premade mounting solutions which take this into account.

Answered by BG741413216 on 15/03/2023Helpful (0)
0

Q:
it says adjustable. how to adjust?

it says adjustable. how to adjust?
it says adjustable. how to adjust?

A:

You can adjust with the small trimmer: any output voltage between 0 and about 1.5 V below the input voltage.

You can adjust with the small trimmer: any output voltage between 0 and about 1.5 V below the input voltage.

Answered by MihaiP on 13/12/2020Helpful (0)
0

Q:
can this be used on a servo ...?

can this be used on a servo ...?
can this be used on a servo ...?

A:

maybe you can try.

maybe you can try.

Answered by Ambrosial on 01/06/2020Helpful (0)
0

Q:
Keep it the output voltage stable also if the source-voltage changes (like energy from solar cells)?

Keep it the output voltage stable also if the source-voltage changes (like energy from solar cells)?
Keep it the output voltage stable also if the source-voltage changes (like energy from solar cells)?

A:

As long as the input voltage is greater than the set output voltage.

As long as the input voltage is greater than the set output voltage.

Answered by BG741413216 on 15/03/2023Helpful (0)