Here is simple Electronic circuit project of 5 volt
micropower regulator circuit. This micro power 5 volts DC regulator can be
designed using few operational amplifiers and some other electronic parts.
5 Volt Micro-Power Regulator Circuit Diagram:
This 5 volt regulator is ideal for instrumentation requiring
good power efficiency . Maximum load current is 10 mA , and can be increased by
changing Q1 to a power transistor and proportionally increasing the set current
of A2.
This circuit accepts a wide input voltage range between 6.5 volt and 30 volts. Low power 3 terminal IC regulators typically draw 2mA to 5mA quiescent current compared to only 50uA with this discrete implementation.
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