NCP3155 5 volt regulated power supply electronic project
The NCP3155 is a highly efficient switching regulator designed to provide a stable 5V output while accommodating a broad range of input voltages. It is particularly suitable for applications where space and power efficiency are critical. The circuit architecture employs high-side and low-side N-channel MOSFETs, which are controlled by the integrated driver within the NCP3155. The use of these MOSFETs allows for reduced power losses and improved thermal performance compared to traditional linear regulators.
The internal boost circuit is a key feature that enhances the performance of this power supply. By utilizing a boost clamp and boost diode, the circuit can generate the necessary gate voltage for the high-side MOSFET, ensuring that it operates effectively even when the input voltage is lower than the desired output voltage. This capability is crucial for maintaining regulation under varying load conditions.
The protection features integrated into the NCP3155 enhance the reliability of the power supply. The input undervoltage lockout (UVLO) prevents the circuit from operating when the input voltage drops below a specified threshold, thereby protecting the load from insufficient voltage conditions. Similarly, the output undervoltage (OUV) and output overvoltage (OOV) protections safeguard the connected devices from potential damage due to output voltage fluctuations.
In summary, this 5-volt regulated power supply circuit utilizing the NCP3155 is a robust solution for various electronic applications, combining efficiency, compact design, and comprehensive protection features to ensure reliable operation across a wide range of input voltages.This 5 volt regulated power supply circuit project is designed using the NCP3155 DC DC switching regulator with fully integrated power switches and full fault protection. This 5 volt regulated power supply circuit project require few external electronic parts and will provide a fixed output voltage using a wide input voltage from 10.
8 to 24 volts. This 5 volt regulator circuit project drives high ’side and low ’side N ’channel power MOSFETs. The NCP3155 incorporates an internal boost circuit consisting of a boost clamp and boost diode to provide supply voltage for the high side MOSFET gate driver. This regulator also integrates several protection features including input undervoltage lockout (UVLO), output undervoltage (OUV), output overvoltage (OOV), adjustable high ’side
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