Specification: 
Module Properties:non-isolated constant current & voltage module
Rectification: Non-Synchronous Rectification
Input voltage: DC 7V-35V
Output voltage: DC 1.25V-30V
Output current: Adjustable Maximum 3A
Conversion efficiency: 92% (MAX)
Switching frequency: 150KHz
Output ripple: 50mV (maximum) 20M-bandwidth
Load regulation: ± 0.5%
Voltage regulation: ± 2.5%
Operating Temperature: -40° C to +85 ° C
Size: 48*23*14mm

Instructions:

1.This module is an adjustable buck module that can be used to change the output voltage by adjusting the blue adjustable resistor on the module. The input and output voltage difference is 2V, and the minimum output voltage is 1.23V.

2.The IN- (input negative), IN+ (input positive), OUT- (output negative), and OUT+ (output positive) indicated on the module must be connected correctly. Otherwise, the module may be damaged.

Battery charging How to use:
1. Determine the float voltage and charge current of the rechargeable battery you need, the input voltage of the module;
2. Adjust the constant voltage positioner and adjust the output voltage to about 5V.
3. Use the multimeter 10A current block to measure the output short-circuit current, and adjust the constant current potentiometer to make the output current reach the predetermined charging current value;
4. The charge-to-light current defaults to 0.1 times the charge current (constant current value). If you need to adjust, please adjust the turn-on current potentiometer; (normally no adjustment)
5. Adjust the constant voltage position device to make the output voltage reach the float voltage;
6. Connect the battery and try to charge.
(1, 2, 3, 4, 5 steps are the module input power supply, the output is not connected to the battery.)
LED constant current drive How to use:
1. Determine the operating current and maximum operating voltage at which you need to drive the LEDs;
2. Adjust the constant voltage positioner and adjust the output voltage to about 5V.
3. Use the multimeter 10A current block to measure the output short-circuit current, and adjust the constant current potentiometer to make the output current reach the predetermined LED operating current;
4. Adjust the constant voltage position device to make the output voltage reach the maximum working voltage of the LED;
5. Connect the LED and test the machine.
(1, 2, 3, 4 steps are connected to the power supply of the module, and the output is not connected to the LED light.)
 

Package include：
1 PCS * Module
  • 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
  • The items will be shipped within 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 6~20 days, other country about 15-30 days delivered.

    Notes: pls contact us if you need need trackable or express shipping service.
  • 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.
  • We afford all cost if it's our fault. Exchange or refund.

    • 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.
      winwin-eshop
PushAuction