eBay

DC Adjustable Step Up Down Boost Buck Voltage Regulator Converter Transformer CC CV Power Supply LM2577S LM2596S UK

This listing is for 1x DC-DC step up/down voltage converter.

This module's power output is affected by the module itself-capacity and pre-and post-class load and other factors; the following data for professional equipment measured results, without considering other factors.
This Module Properties: It is non-isolated step-down constant current, constant voltage module (CC CV) charging module

Specification:

Input Voltage :4-35V
Output voltage: Continuously adjustable(1.25-25V unload adjust)
Output current: 3A Max(If more than 15W, please install the heat sink)
CC range :0-2A (adjustable)
Revolving light current: CC value * (1%-100%), default is 0.1 times
Minimum voltage difference: 2V
Output power: natural cooling 15W
Conversion efficiency: 80% (the higher the output voltage, the higher the efficiency)
Operating Temperature: Industrial (-40 ? to +85 ?) (ambient temperature more than 40?, lower power use, or add heat sink)\
Full load temperature rise: 45 ?
Indicator: CC indicator is Red, charging indicator is Red, charging completed the indicator is Blue.
Output short circuit protection: Yes, constant current.
Connect method: Can solder on the PCB with wire directly
Input: IN+ input Positive is, IN- input negative
Output: OUT+ output is positive, OUT- output negative
Module Size: 50 x 37 x 13mm

Some Applications:

High-power LED constant current driver.
Lithium batteries (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, nickel-cadmium nickel-metal hydride batteries (battery) charge.
Solar panels, wind generator voltage regulator circuit board power supply, such as automatic buck regulator circuit.

Battery use:

Make sure of the voltage and current of the battery you need to charge
Adjust the constant voltage potentiometer to make sure the output Voltage is about 5V(about).
Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected charging current value
The charge current of transfer lamp is default 0.1 times of the charging current (constant current value)
Adjust the constant voltage potentiometer to make sure the output Voltage is up to floating Voltage.
Connected to the battery and try to charging (for previous 5 steps, module input terminal is connected to power source, output load is NOT connected to batteries).

LED Constant Current Driver Use:

Make sure operating current and Max operating Voltage of the LED you need to drive.
Adjust the constant voltage potentiometer to make sure the output Voltage is 5V(about).
Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer. To make sure the output current to the expected LED operating current.
Adjust the constant voltage potentiometer to make sure the output Voltage is up to LED Max operating Voltage.
Join LED, test (For the above 3 steps, module input terminal is connected to power source, output load is NOT connected to LED).

I am a GENUINE UK BUSINESS SELLER. Please support UK business.

Reasons to purchase from me:

Fast shipping – All orders are guaranteed to be shipped using Royal Mail 1st Class postal service, unless specified otherwise.
UK stock – No drop shipping! I am in possession of all my stock and all items are ready for immediate local dispatch.
Unparalleled product support – I personally use and have experience with all items that I sell and am able to provide inclusive post-sale technical support, if required. Beware of sellers that simply shift 'commodities' that they have no knowledge about and then refuse to offer assistance in the event of any issue.
Hassle-free returns – You are free to return your purchase, whatever the reason, for a full refund. I offer a generous 30 day returns window for “change of mind” returns.
No hidden charges - Since all my stock is located in the UK, there won’t be any unexpected tax invoices after your purchase.
Easy, effective & fast communication – I endeavour to reply to all messages within three hours of receipt, Mon-Fri 9:00-16:00. I will also do my very best to reply in a timely manner outside of these hours. As a UK born citizen, I am able to communicate in an effective manner.
I am a legitimate UK business seller – All purchases will be covered under The Consumer Contracts Regulations (CCR), which implement the Consumer Rights Directive. This gives you rights when shopping online, so you’re covered if things go wrong. Beware of sellers claiming to be businesses, but selling under a non-business account; they are likely denying you of your consumer rights!
I am a UK taxpayer - I am registered as a sole-trader with HMRC and pay income tax and national insurance on all earnings. Duty and VAT are paid on stock I import into the UK, so you can be sure that you won't have to.
Honesty, reliability & integrity - I am not a ‘dump & run’ trader. I am in business for the long-term. I want to be here to support my existing customers in the future and to do so, I operate with these three ideals at all times.

Important Information:

In the past, it has been easy to filter international vendors from eBay search listings by selecting [UK Only] from the ‘Item location’ search refinement options. However, it is becoming increasingly common for international vendors to 'work' the system by setting up as a UK seller, but still operating from another location. It is also becoming common practice for some of these same vendors to list UK 1st or 2nd class delivery, or fast shipping promises, but to then claim the item is out of stock and actually dispatch the item from elsewhere across the globe using slow shipping methods, often taking weeks to arrive.

If you want to be sure of the actual location of a vendor....

Desktop site - Click on the seller’s name, found under 'seller information' on the right hand side of the listing, then click [Business details] at the top of the page and the location will be displayed. Alternatively, click [Business seller information] at the bottom of the item description and the location will also be displayed.

Mobile site - Click [Read more], just below the seller’s name in 'About this seller' and then '[Registered as business seller] and the seller’s actual location will be displayed.

Mobile app - Click the seller’s name in 'about the seller' and then 'legal information' at the bottom of the page and the sellers actual location will be displayed.

If you are unable to obtain the seller’s address details using the above methods, they are operating as a ‘private’ seller and you will not be protected under Consumer Contracts Regulations. Beware of sellers claiming to be businesses, but selling under a non-business account; they are likely denying you of your consumer rights!