Product:
- 10PCS LM317 DC-DC Linear Converter Buck Step Down Low Ripple Power Supply Module

Specifications:
- Output Current: 1.5A (min), 2.2A (typ)
- Input-output voltage differential (VI-VO): 40Vdc (max)
- Adjustable output voltage range: 1.2 ~ 37V
- Operating temperature: -55°C to +150°C
- Current output: 1.5A
- Voltage Input: 4.2 ~ 40 V
- Characteristic frequency: 100 (MHz)
- Module size: 35.6mm x16.8mm
- Input Method: VIN input is level, GND Input Negative
- Output: VOUT output positive stage, GND output negative
- Size: 3.5x2.1x1.7cm (approx)

Package includes:
- 10 x LM317 DC-DC Linear Converter Buck Step Down Low Ripple Power Supply Module

Payment:
- We accept Paypal ONLY. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.

Shipping:
- We will arrange shipping within 24 Hours after payment cleared except the holidays.
- We only ship to the confirmed address provided by PayPal.
- Shipping is worldwide and delivery time is about 15-28 business days to most countries.

Refund:
- Return within 30 Days in original condition for a full refund. Pay for the returned postage.

Feedback:
- Leave positive feedback if satisfied with the product and services.
- Contact us immediately for any issues.

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.