Dc-dc Converter 3-27v Step-down Adjustable 1.5-25v 3a Power Supply Dc Charger

US $100

default, default, Hong Kong
Jan 29th

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We are a manufacturer for power solution and business in Hong Kong and some of Asia Countries. Now, we are introducing our business Worldwide through eBay's perform. This item for 1pieces of Brand new Adjustable DC-DC Step-down Converter Easy installation Input range 3-27V Stable & High efficient up to 93% Powerful max.3A / 48Watts Adjustable output 1.5-25V Condition: 100% Brand New Item Description: This is a DC step-down power module with variable output voltage range 1.5-25V when input 3-27V Output current rated at around 2.5A and max. up to 3A continuously with good ventilation or heat sink adopt . High efficiency is up to 93% Application: Vehicle power supply step-down for various handheld equipments lead-acid batteries, lithium batteries, the charging voltage can be adjusted by the buyer when replace R1R2 two resistors MP3, MP4 and mobile emergency power Specifications: Dimension: 31(L)x17(W)x13mm(H) Input voltage: DC 3-27V Output Voltage: DC 1.5-25V (adjustable, O/P Voltage < I/P Voltage by 1.5v, the default is 5V when delivery) Output current: Rated current 2.5A, max up to 3A(heat sink is required) Minimum Voltage difference: 1.5V Conversion efficiency: Up to 93% (O/P voltage higher, the higher the efficiency) Potentiometer adjustment direction: Clockwise (increase), counterclockwise (decrease) Operating temperature: Industrial grade (-40 °C to 85 °C) Static power consumption is only about 6mA. Dynamic response speed: 5% 200uS Load regulation: ± 1% Voltage regulation: ± 0.5% the chip can limit voltage between R1R2 at 0.3v so we can change current by replacing R1R2 value(Reduce R, Current increase). we can follow below calculation. R(total)=0.3*0.8*Vin/Vout*Iout Package include : 1 x DC-DC Converter module (Delivery with seated metal pack) (Tracking number will be provided when you choice "STANDARD SHIPPING") Our products are great for outdoor environment and widely used in automotive, posts and telecommunications, communications,TA electricity, coal, aerospace, defense, surveillance systems, railway signals, medical equipment, instruments and meters, LED displays, cable TV and other fields. We have other custom made specification if you can not find a suitable model from our TCH Warehouse Store, please contact our product engineer through eBay email. Payment Paypal only (Easy registration of Paypal account if you have not this Free / Secure payment tool). Please ensure your address is correct while you leave and Paypal. We will only follow your address listed in the Paypal payment for the shipment. We have no responsibility for shipping address provided. Due to the secure reasons, we are not allowed the address change through email. Payment must be received 3 days after the auction ended. Please do not bid if you are not intend to buy. Unpaid dispute & the negative feedback will be filed to eBay for the nonpayable bidders. Money back will give after the return item is received. Shipping and handing cost will not be refunded . This fee does Not include VAT/TAX fees. It is the bidder's responsibility to thoroughly understand and accept any import fees. We have can't control over these fees. But I will try my best to reduce the VAT/TAX.! SHIPPING We ship worldwide. Item will be shipped within 2 business days (parcel will marked as 'GIFT'). We are not responsible for uninsured parcel lost / item damaged in transit. Delivery time is around 7-12 business days to most countries: 5-10 days to United Kingdom 6-10 days to Australia 8-14 days to USA / Canada 10-14 days to most countries in Europe 3-4 weeks to Italy · Additional charge for worldwide express through EMS, please notice in advance for the arrangement. Terms of sale 100% Satisfaction Guarantee / Money Back Guarantee . We offer a 30 days money back guarantee. We will take back any products with which you are not completely satisfied within the 30 days from the date of our purchase. All returned products MUST be in new, resalable condition and include original packaging. All manuals, registration cards and accessories MUST be included. We will promptly refund your purchase price. NO question asked. SHIPPING IS NOT REFUNDABLE. CUSTOMER PAYS ALL RETURN SHIPPING . We do not pay for return shipping, nor do we refund promotional shipping. . Once returned items are received, credit will be issued to the original credit card used for the purchase. Outbound shipping (including promotional shipping) and return shipping costs will not be refunded. Feedback Policy We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them!

Condition:

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...

Country of Manufacture

China