Lm2577s Automatic Buck-boost Module Solar Power Supply Board 3-35v To1.2-30v

US $7.32

Shenzhen, China
Mar 10th

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LM2577S Automatic Buck-Boost Module Solar Power Supply Board 3-35V To1.2-30V 100% Brand New Module properties: Non isolated, Automatic Buck-Boost (SEPIC) Rectifier type : Non synchronous rectifier Input voltage : 7V-35V Output voltage: 1.25V-30V Output current: 2A MAX Conversion efficiency: 92% ( highest) Switching frequency: 50KHz Output ripple : 40mV MAX Load regulation rate: ± 0.5% Voltage regulation rate: ± 0.5% Working temperature: - 40 °C to +85 °C. Outside dimension:48 *24 *14mm Package: 1 x LM2577S Automatic Buck-Boost Module We accept PayPal only. We ship within 1-2 business days of receiving payment. Serious bidders only, please. Orders will be cancelled and an unpaid item dispute filed if payment is not received within 10 days of purchase. Items shipped to United States and Russia are via USPS (ePacket shipping). Items shipped to other countries, we offer two shipping methods for you to choose. One is ordinary Air Mail without tracking number (Economy Int'l Shipping), And the other is Registered Air Mail with tracking number (Standard Int'l Shipping). We highly suggest you choose registered mail ,because it can be tracked. Ship to address provided by ebay if no special notes from buyer . Delivery Time: Normally, It Takes About 10-30 Business Days to Arrival for most Countries. *5-14 days to USA / Russia. *10-25 days to Australia / Canada. *14-30 days to major cities in Europe . *4 - 8 weeks to Middle East, South America Please contact us if you have not receive the item over 30 business days. However, it may delay due to industrial strike action, severe weather, custom reasons or peak seasons, such as Christmas/New Year Holidays. We stand behind every product we sell. All electronic Products or functional products will be test before ship out. If you're not pleased with your purchase, we'll be happy to make an exchange or refund within 30 days of your purchase. For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories. Please be notice, we do not provide return label, also buyer should pay return shipping. We always trying to provide the best service and reliable products for every customer. We do appreciate your positive feedback with 5stars rating comments! Our system will leave feedback to you automatically after we receive your payment. We know that sometimes when order problems arise, it can be very frustrating, we are there with you every step of the way to make your experience more pleasant. Please feel free to contact us for solution, when you have any questions. Please contact us via ebay message. Our work day is Monday to Friday , we will assist you in any way possible and aim to answer all emails within 24 hours. eBay Cross Border Trade powered by Channel Effect