Description

Welcome to our store:

 beestudio 2016


Tips: If you need Large quantity, please contact us, we can wholesales.


Feature:
1.Module Feature: LM2577S + LM2596S Step up Down module
2.Input voltage: 3.5V-28V
3.Output voltage: 1.25V-26V
LM2577S + LM2596S dual chip modules,
DC-DC step up step down module with wide voltage design,
suitable for solar panel and other high fluctuation external input power supply
Appearance size (L x W x H): Approx. 5.4 x 4.5 x 1.4cm
Step-up mode: Input 3.5-28V, output: 1.25-26V
Output voltage is irrelevant to input voltage (input 3.5-28V with arbitrary value, output 1.25-26V with arbitrary value)
Step-down mode: Input / Output current (max.): 3A, rated input/output: 1A (Please add cooling fin when working in big current)
Voltage regulating mode: (Step-up) Potentiometer rotates in clockwise, (Step-down) Potentiometer rotates in anticlockwise
Note: Because of lower switching frequency and input high current, it is normal to use if it has some noise


Package Include:


1pcs * LED Display step up down module

Payment

  • We only accept payment via Paypal.
  • The buyer is responsible for any applicable import duties and local taxes.
    Usually there's no any charges for small parcel. But please verify with your customs before making your purchase.
    Credit or debit card through PayPal
 
 
 

Delivery details

  • The items will be shipped within 1~2 working days after your payment is received and cleared.(excluding Saturday, Sunday & Holiday) 
  • All items will be shipped to your Paypal address, so please make sure to provide us with the correct, precise, detailed shipping address.
  • The Delivered time to USA buyer is about 7~20 days, other country about 15~35 days delivered.

    Notes: pls contact us if you need need trackable or express shipping service.
 
 

Terms of sales

  • All the items will be tested before shipping. Buy them with the confidence!
  • We maintain the excellent service standards  and strive for 100% customer satisfaction and  Positive feedback.
    If you have any problem, please do feel free to contact us before leave Neutral  or Negative  feedback, so that we can satisfactorily address your concerns.
 
 

Return

  • We afford all cost if it's our fault. Exchange or refund.
 
 

Contact us

  • We strive to provide you with the best service, reply your question within 24 hours.
  • Business time: 9:30~21:30 (GMT+8) exclude the weekend and holidays.
      Contact us 
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