UPSToday. - This is Circuit Diagram a Simple Form of the Commercial Uninterruptible Power Supply (UPS) with 5V and 12V Output like in Figure 1. below. The circuit schematic will provides a constant regulated 5 Volt output and an unregulated 12 Volt supply. In the event of electrical supply line failure the battery takes over, with no spikes on the regulated supply.
Circuit Diagram
Component Parts
- Transformer
- Diodes
- Capacitors
- Fuses
- Resistors
- LM7805 IC
Description
Circuit diagram like in Figure 1. is Circuit Diagram a Simple Form of the Commercial Uninterruptible Power Supply (UPS) with 5V and 12V Output. According Zen22142.zen site that publish this circuit describe that this circuit can be adapted for other regulated and unregulated voltages by using different regulators and batteries. For a 15 Volt regulated supply use two 12 Volt batteries in series and a 7815 regulator. There is a lot of flexibility in this circuit.
TR1 has a primary matched to the local electrical supply which is 240 Volts in the UK. The secondary winding should be rated at least 12 Volts at 2 amp, but can be higher, for example 15 Volts. FS1 is a slow blow type and protects against short circuits on the output, or indeed a faulty cell in a rechargeable battery. LED 1 will light ONLY when the electricity supply is present, with a power failure the LED will go out and output voltage is maintained by the battery.
Please read more about Circuit Diagram a Simple Form of the Commercial Uninterruptible Power Supply (UPS) with 5V and 12V Output from original article using link [Here],
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