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
DD40AJSB_8Product Name :2P DC DC Buck Converter Step down LED Power Module 24V 15V 12V to 9V 6V 5V 3.3V 3V
Module No.: CE_DD40AJSB
Packing list:
2PCS DD40AJSBmini 5W DC DC Converter Step Down 4.75V-40V to 0.8-30V  Adjustable output Module
DD40AJSB_2DD40AJSB_1
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


DD40AJSB_9DD40AJSB_10



DD40AJSB_7DD40AJSB_6