系列simpleswitche芯片手册lm2576t adj.pdf,L August 2004 M 2 5 7 6 / L LM2576/LM2576HV Series M 2 SIMPLE SWITCHER® 3A Step-Down Voltage Regulator 5 7 6 H General Description Features The LM2576 series of regulators are monolithic integrated n 3.3V, 5V,
–Normal relay contacts to the battery charging circuit. As any power failure, it will switch to battery connected to a load or a light bulb instead. And before to cutting the S2 switch on the lights to activate or not. When the electric current failure up. building the circuit You can ...