10W 14-40V 24V–12V Feszültségszabályozó DC-DC átalakító Step-Down Buck Modul csere az LM7812 L7812 RS485 relé vezeték

 
Product Name :   10W 14-40V 24V to 12V Voltage Regulator DC-DC Converter Step-Down Buck Module replace LM7812 L7812 RS485 Relay Wireless Control     
 
 Packing list(Does not include L7812):
 
1 PCS DD4012SA_12V 14V-40V to 12V 800MA DC DC Buck Converter Module 
 
Description: 
 
Input voltage 14~40V,output 12V
 
Maximum output current 800MA(Working Long Time 400MA)
 
DC-DC Step-Down Converter module working frequency 550KHz. efficiency is 74-90% .
 
Quiescent current: about 1.5MA
 
Overtemperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection.
 
2.54mm pin pitch,Can directly replace the L78XX LM78XX TO-220 IC
 
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
Applications:
 
 
12V Motor
12V WIFI router
315M 433M Wireless Control
CCTV camera
Toy car
Smart home / home automation
Distributed Power Systems
Battery Charger
Pre-Regulator for Linear Regulators
replace LM7812 L7812 LDO