MAX668 16V 4.4A switching power supply circuit design electronic project
The MAX668 integrated circuit serves as a versatile component in the design of a 16-volt switching power supply. Its ability to handle input voltages from 1.8V to 28V makes it suitable for various applications, including battery-powered devices and industrial equipment. The PWM control method employed by the MAX668 allows for efficient power conversion, minimizing energy loss during the switching process.
The operating frequency range of 100kHz to 500kHz provides flexibility in designing the power supply, allowing engineers to optimize performance based on the specific requirements of the application, such as load regulation and electromagnetic interference (EMI) considerations. The soft-start feature is particularly important in preventing inrush current, which can damage components and reduce the overall reliability of the power supply. By gradually ramping up the output voltage, the soft-start mechanism ensures a smooth startup process.
Additionally, the SYNC input capability allows the MAX668 to synchronize with an external clock signal, which can be beneficial in multi-channel applications where phase alignment is critical. This synchronization helps reduce noise and improves the overall performance of the power supply system.
Overall, the MAX668 provides a robust solution for designing a 16-volt switching power supply, combining efficiency, flexibility, and advanced features to meet a wide range of electronic application needs.A very simple 16 volt switching power supply electronic circuit can be constructed using this circuit diagram that is based on the MAX668 constant-frequency, pulse-width modulating (PWM), current-mode DC-DC controller that is designed for a wide range of DC-DC conversion applications. The MAX668 integrated circuit supports a wide input voltage ra nge from 1. 8V to 28V. The MAX668 has operating frequency between 100kHz to 500kHz, soft-start, and a SYNC input that allow the MAX668 oscillator to be locked to an external clock. 🔗 External reference
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