Circuit Project Electronic

LM2577 (3A)
DC to DC step up voltage regulator.
Wide input voltage 3.5Vdc to 40Vdc.
This is Circuit DC to DC Converter Step up Voltage Regulator From 5V To 12V 1A Regulated Output.

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Component list
- 2.2kΩ 1/4W resistor
- 0.1uF capacitor
- 0.33uF capacitor
- 680uF 50V electrolytic capacitor
- 1N5822 high speed schottky diode (3A)
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This step-up converter is intended for use in a ‘67 Citroen 2CV. This car, and I use the word loosely, has a 6V battery and won’t support a modern radio that needs 12V. The circuit described here converts 6V to 12V at 1A sustained load current.
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To implement this, [...]

The circuit is a boost step-up regulator based around an LM2577-ADJ voltage regulator chip and a few other discrete components. Resistors R1 and R2 set the regulated output voltage.
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A switch inside the voltage regulator closes between pins 4 and 3, causing current to flow through the inductor to [...]