Note: Adjustable resistors (potentiometers) are components that are easily damaged. Use a suitable screwdriver to slowly rotate. Click here to buy a screwdriver.
 
Applications:
  
1.5V/1.8V/2.5V/3.3V/5V MCU ARM CPU FPGA/CPLD
12V 5V TO 3.7V lithium battery-powered systems
12V 9V 6V 5V 3.3V Motor
WIFI esp8266 Module
CCTV camera
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
 
 
 
   
 
 
Packing list:
 
1 PCS DD40AJSB mini 5W DC DC Converter Step Down 4.75V-40V to 0.8-30V Adjustable output Module
 
Description:
 
Input voltage 4.75~40V,Adjustable output 0.9~30V
 
Long time maximum output current 0.8A(12V to 5V)
 
Short time maximum output current 1A(12V to 5V)
 
Quiescent current: about 1.5MA
 
DC-DC Step-Down Converter module working frequency 550KHz. efficiency is 75-90% .
 
Overtemperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection.
 
Size 15mm x 10.3mm x 6.8mm(Very small)
 
Weight : about 1.1g(Very light)
 
 
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