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Product Features:

  • DC-DC adjustable step-down module
  • Model LM2596
  • Input voltage range: 5~24V;
  • Output voltage range: 0.93~18V (buck mode, enter at least greater than the output 2V above);
  • Output current: 2.5A;
  • Output peak 4A continuous output;
  • Switch: With soft-off feature;
  • Shutdown current low microampere level;
  • Technical description: Measured efficiency: 12V converts to 5V: 12V converts to 5V efficiency = (5V x 1.001A) / (12V x 0.431) = 96.7%; 18V converts to 12V: 18V to 12V Efficiency = (12.019V x 1.001A) / (18.01V x 0.679) = 98.38%
  • Application: Various electronic products or DIY projects
  • Forum link:
  • Material PCB + plastic + iron
  • Dimensions: 44 x 28 x 19 mm / 1.73 x 1.1 x 0.75 inch
  • Weight: 16 g / 0.56 oz
  • Color: Blue

Package Contents:

  • 1 x Module
Available Shipping Method Tracking NO. Estimated Delivery


1) Estimated delivery time includes processing time and actual shipping time. Normally our processing will take 1-2 working days.

2) Estimated Delivery Time shown above is only for reference, since actual delivery time depends on shipping service selected, delivery schedule and local customs clearance time, especially during peak periods.

3) Shipping Costs shown include fuel surcharges and may change a bit due to the fluctuation of currency exchange rates.

4) For the order with only one item (only one item):

a. if your item is less than 20USD and need registered freight, you need to pay certain upgrading fee.
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.

5) For the order with multiple items (multiple items):

a. if most items' price is more than 20USD in one order, we will send the parcel with tracking number for free.
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.

Custom Tax

A. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.

B. Please check with your country's customs office to determine what these additional costs will be prior to buying.

Return Policy

All the cell phones you bought from come with 6-month warranty and all the items we offer have a 3-month warranty. See additional details, please refer to our Shipping & Returns or our FAQ Return Policy.

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Customer Reviews
Average customer review:
4 (4out of 5)
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Showing 1 reviews

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  • Price
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by maxik_k ( UA ) 2014-06-03 13:57:50 GMT
Involvement: эксперт (понимает внутренние работы) Ownership: меньще 1 неделя

Pros: Размеры, малый уровень шумов, некая универсальность.

Cons: Малая площадь радиатора на плате, а значит перегрев.
Неправильно расчитана индуктивность - греется.
Неправильно заданы максимальное значение тока. Я думаю, что на 1.5-2А можно расчитывать (телефон в машине зарядить хватит, но не более)

Other: Сразу поставил на тестирование и сгорел.
Параметры испытаний:
Входное напряжение: 18V
Выходное напряжение: 12V
Выходной ток: 2.5А
Результат: после 10 минут работы начало падать выходное напряжение, а после 15 минут - сгорел от перегрева.

Bottomline: Стоит брать для питания до 1.5-2А

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  • Reply by Татьяна:
    Thanks for your comments!
    But do you mean the item is defective , please don't worry , and contact our customer , we will solve your problem properly .
    For this problem please contact us via online chat or by this link: .
    We will try our best to help you.
    Thanks for your cooperation and consideration.

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