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DC7V-35V to DC1.25V-30V LED Driver Charging Constant Current Voltage Step Down Buck Power Supply Module

4.4617

$10.99 / $13.41

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$1.00 / $13.41

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Axɔ Fifa Dze egɔme

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Axɔ si wòkpɔ

Dɔwɔnuku Xɔse

Dɔwɔnuku xɔse si wòaxɔ

Dɔwɔwɔ Kɔkɔe

Dɔwɔwɔ xɔse si wòaxɔ $9.9 kple

Dɔwɔwɔ Kɔkɔe

Dɔwɔnukuwo si wòaxɔ 40 ŋkeke me. Dɔwɔnuku si wòkpɔ mele anyi o. Dɔwɔnuku si wòaxɔ kaati mele anyi o.

Dɔwɔnuku Xɔse

Dɔwɔwɔ Kɔkɔe

1. Dɔwɔwɔ Kɔkɔe

Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku. Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku. Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku.Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku.
Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku.Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku.Wòe nànye Roymall, wò dɔwɔnuku si wòkpɔ. Mía ɖe dɔwɔnuku siwo katã wɔna na dzigbeŋkeke, srɔ̃ɖeŋku, dɔwɔwɔ dziɖuɖu kple bubuwo. Kpɔe mía dɔwɔnukuwo na nya yeye siwo katã wɔna kple Roymall Dɔwɔnuku.

2.Dɔwɔwɔ Kɔkɔe

Feature:

This module uses the LM2596 chip, high efficiency (up to 92%), low heat, can be very easily used to above 3A current, in conjunction with the original TI op amp control output current, so the overall output is very stable.
This module uses the original Sanyo low ESR filter capacitor, you can make low ripple voltage to 50mV!
This module uses machine placement, reflow soldering.
This module is an adjustable buck module, the module can be adjusted from the blue adjustable resistor to change the output voltage. Input and output differential pressure is 2V, the minimum can be output 1.23V.
Module indicated IN - (negative input), IN + (positive input), OUT - (negative output), OUT + (positive output), please note must be correct connected, otherwise may cause damage to the module.

Description:

Nature of the module: Non-isolated step-down module
Rectification: Non-synchronous rectification
Input voltage: 7V - 35V
Output voltage: 1.25V - 30V
Output current: Adjustable, 3A (maximum)
Transfer efficiency: 92% (maximum)
Switching frequency: 150KHz
output ripple: 50mV (maximum) 20M Kbps
Load regulation: ±0.5%
Voltage regulation: ±2.5%
Operating temperature: -40°C to +85°C
Dimension: 48 x 23 x 14mm (L x W x H)

Battery charging method:

1. Make sure the battery float voltage and charging current, the module input voltage;
2. Adjustment constant potentiometer, the output voltage is adjusted to about 5V.
3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjust the constant current potentiometer make the output current reaches a predetermined charge current value;
4. Turn lamp current default is 0.1 times charging current (constant current value), if you need to adjust please adjust the turn lamp current potentiometer; (generally doesn't need adjustment)
5. Adjustment constant potentiometer allows the output voltage reaches the float voltage;
6. Connected to the battery and try to charge.
(1,2,3,4,5 steps are for the module input connected to the power supply, output-load battery is not connected.)

LED constant current driver using method:

1. Make sure that the drive LED operating current and maximum working voltage;
2. Adjustment constant potentiometer, output voltage adjusted to about 5V.
3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current;
4. Adjustment constant potentiometer allows the output voltage reaches the maximum operating voltage LED;
5. Connect LED, test machine.
(1,2,3,4 steps are module input connect to the power supply, output-load is not connected LED lights.)

Package included:

1 x Buck module

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DC7V-35V to DC1.25V-30V LED Driver Charging Constant Current Voltage Step Down Buck Power Supply Module

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A part of the review has been auto-translated.

foksa VIP4
RS
05/07/2017

This is great module, that can be used both for battery charging and as LED driver. I mostly use it as a driver for these dirt cheap 10w LED: https://goo.gl/g3aBNy

This is great module, that can be used both for battery charging and as LED driver. I mostly use it as a driver for these dirt cheap 10w LED: https://goo.gl/g3aBNy

This is great module, that can be used both for battery charging and as LED driver. I mostly use it as a driver for these dirt cheap 10w LED: https://goo.gl/g3aBNy
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petrweigl VIP4
CZ
06/06/2017

I have already 3 units, work as expected as a led drivers, but one of them I instantly burn by bad polarity input. So be careful about it.

I have already 3 units, work as expected as a led drivers, but one of them I instantly burn by bad polarity input. So be careful about it.

I have already 3 units, work as expected as a led drivers, but one of them I instantly burn by bad polarity input. So be careful about it.
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Q:
Hello, Why does the price change? Price in the newsletter US*****. If I click on the article in the newsletter my browser opens with the article but for US*****. What the hell, am I doing something wrong?

Hallo, warum ändert sich der Preis? Preis in der Newsletter US*****. Wenn ich auf den Artikel in der Newsletter klicke öffnet sich mein Browser mit dem Artikel aber für US*****. Was soll das, mache ich da etwas falsch?
Hello, Why does the price change? Price in the newsletter US*****. If I click on the article in the newsletter my browser opens with the article but for US*****. What the hell, am I doing something wrong?

A:

Sa ist vielleicht ein Fehler auf der Web Seite

Sa may be a mistake on the web site

Answered by Roger on 25/06/2023Helpful (0)
0

Q:
Is the output issolated for reverse current when charging a battery? In other words, can the battery remain connected to the output if the input is switched off?

Is the output issolated for reverse current when charging a battery? In other words, can the battery remain connected to the output if the input is switched off?
Is the output issolated for reverse current when charging a battery? In other words, can the battery remain connected to the output if the input is switched off?

A:

sorry not sure for that

sorry not sure for that

Answered by Blue7x on 22/04/2022Helpful (0)
0

Q:
How many watts can this handle?

How many watts can this handle?
How many watts can this handle?

A:

3A max. so it is 30*3=90W

3A max. so it is 30*3=90W

Answered by Hartdjar on 03/05/2018Helpful (0)
0

Q:
Can someone tell me is current continuously adjustable, like voltage and witch is minimum and maximum value of current? Thank you in advance. Have a nice day!

Can someone tell me is current continuously adjustable, like voltage and witch is minimum and maximum value of current? Thank you in advance. Have a nice day!
Can someone tell me is current continuously adjustable, like voltage and witch is minimum and maximum value of current? Thank you in advance. Have a nice day!

A:

Output current: Adjustable, 3A (maximum)

Output current: Adjustable, 3A (maximum)

Answered by Waddleeeenn on 06/05/2019Helpful (0)