Buck Module 4a The Current Ultra 2596dc-dc Adjustable Buck

US $4.99

???, ???, China
Mar 5th

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Module Properties: non-isolated step-down module (BUCK) 1 Input voltage :5-32V 2 Output Voltage :1-27V adjustable the lowest dropout 2V, step-down power supply input voltage must be higher than the output voltage of 2V above, in order to output Output current :0-4A 5V output recommended 3A below the long-term 6-9V 2.5A following recommended long-term. 10-15V recommended 2A below the long-term (at room temperature of 30 degrees Celsius, without adding any heat test, other real application please contact customer service ) Operating Temperature: -40 to 85 degrees 5 Working Frequency: 300KHz Conversion efficiency: up to 92% (the efficiency of the input and output voltage, current, differential pressure related) 7. Protection features overcurrent protection: 5A overcurrent protection; overtemperature protection 8 Precautions First, follow the VIN input positive; VIN-input negative, VOUT output positive, VOT-output negative, or wrong, there is no reverse polarity protection, will cause damage to the power supply board; Second, there is no anti-irrigation protection if used in battery Please add anti-irrigation diode protected 9 Volume specifications: 40 * 34 * 20MM (L * W * H) Packet: 1x DC power mudule Payment We accept the payment via PayPal only. Payment is expected within 5 days of the auction's end. Availability of the item can not be guaranteed if no payment received in 3 days. Please don't purchase if you are not intend to pay. Unpaid item will report to eBay and get the warning. . Shipping & Handling 1.Items are shipped from china.we will send out within 2 working days after receive the money. 2.We usually send the parcel by Singapore Post Air Mail or HongKong Post Air Mail. After send out,most country will arrived the parcel in 12-25 business days. We also can provide Express,such as Fedex,DHL,EMS,usually 3-7days to most country.If you need Expedited shipping,contact us. The global shipping is difficult to control sometimes,if you havent receive after 25days,contact us,we will check for you. 3.We send to the address of ebay add info,please check your add info of ebay is correct. 4.Some conutries,such as Italy,Brazil,we can ship to,but it usually needs more than 30days to arrive,if you dont care the long time of shipping,contact us. Warranty and Return 1.If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact us before you return it. 2.If item is defective in 14 days, We will send you a replacement without extra charger, or offer refund after we receive the defective item. 3.If item is defective after 14 days, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping free. Feedback please leave behind your positive feedback for us after you receive the item, no matter whether you are satisfactory with my item, we will leave behind the same to you. If you want to leave a negative feedback,please contact me at first, we trust that everything could be issued before you leave it. Contact us We work 6 days except Sunday and public holidays. Please feel free to contact us anytime if you have any questions , We will try our best to help you.