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2A DC 5V-23V to 3.3V DC-DC Step-Down Power Supply Buck Module for esp8266 WiFi

2A DC 5V-23V to 3.3V DC-DC Step-Down Power Supply Buck Module for esp8266 WiFi

  • Model: CE019
  • Shipping Weight: 0.02Kg
  • 10000 Units in Stock

USD $2.99

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Product Name:  2A DC 5V-23V to 3.3V DC-DC Step-Down Power Supply Buck Module for esp8266 WiFi
Module No.:  CE019
Packing list:
1 PCS 5V-23V to 3.3V DC-DC Step-Down Power Supply
Input voltage 4.75~23V,output 3.3V
Long time maximum output current 1.3A(5V to 3.3V)
Short time maximum output current 2A(5V to 3.3V)
DC-DC Step-Down Converter module working frequency 1.4MHz. efficiency is 78-91% .
2.54mm pin pitch, Arduino Breadboard MCU Development Board friendly
Excluding Pin Size 22.5mm x 13.5mm x 6.5mm(small)
Weight : about 2.2g(Very light)
MCU Development Board,FPGA/CPLD UNO MEGA2560 DUE 8051 AVR C8051 etc
3.3V LED Lighting
3.3V Motor
WIFI esp8266 Module
Wireless Module:Nrf24l01 CC1101 CC2500 CC2530 Zigbee
Smart home / home automation
315M 433M Wireless remote controller
Distributed Power Systems
Battery Charger
Pre-Regulator for Linear Regulators
DSL Modems
Attention : 

This is a DC-DC voltage converter module,Must be noted when using:

1 Input voltage can not be greater than the maximum input range
2 Output power can not be greater than the maximum load for a long time
3 Input power must be greater than the output power, because the power consumption of the module itself

Wiring Diagram: 
Introduction for Shenzhen Canton-Power Electronic Technology Co.,Ltd :
We specialize in Power supply field,Factory Outlets,good quality and competitive price! Because the focus, so professional !!!
Normally shipping is by Airmail from China Post Air Mail or Hong Kong Post Air Mail ,15-60 days shipping time based on different country .
Express is available, shipping time is 2-7 days all over the world, and telephone number is needed. Please contact us first for extra payment .
The Best Prices. By working with Canton-Power Ltd, you can take advantage of the internet business, cut off the wholesalers cost and other costs, and import your products directly from the manufacturer at incredible prices.
Prompt Delivery. Most units are in stock all the time, standard units will be completed within 1-3 days if they are sold out, it is great help for you if your project must be completed before deadline.
Prompt Service. Mails will be replied within 24 hours We work 6 days a week.
Return Policy
All mails will be replied to within 24 hours except on weekend and holidays.
Every item is manufactured under Strict Quality-Assurance Guidelines. If you are dissatisfied for any reason, please return the product to us, and we'll refund your money(not  including  shipping fees).
Please ensure that return items are not used.
Return items must be Posted within 7 days of receipt.
Please inform us via email before posting your return package.
We accept PayPal only. 
We only ship item to your PayPal verified address. 
Payment must be received within 3 Days from the date of purchase. 
Please leave note in PayPal when making the payment if you have any special request (colors/size).
Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note before or after you place orders. 
Import tax : 
 We will dispatch the item as SAMPLE or GIFT ,  label the total amount on the custom declare invoice .
 Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to buying.




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Items can be returned for a refund or exchange within 60 days of the date of purchase. But the reason for returns caused by yourself (eg, size, color you choose), cannot be accepted. Special circumstances may require partnership with corporate business partners. For more information, please contact our customer service. We shall ship the items via DHL or USPS Once your order is processed you will receive email notification with shipment tracking number. All delivery standards begin when you receive this email. If order is placed after 3:00 PM CST on Friday or on the weekend, the earliest it will ship is Monday.