This is a 1.2 – 12 V, max 1A power supply with a low voltage indicator LED. The indicator part includes three diodes and one LED. For example you are charging a battery, you can observe the charge ...
This circuit provides ±12V regulated DC output based on LM7812 and LM7912 that are National Semiconductors’ two of the most popular positive and negative three terminal voltage regulators. The circuit ...