AP65502SP-13

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AP65502SP-13 is a high-efficiency PMIC chip belonging to DC-DC switching regulators, which can be extensively applied as a reliable power source supply in various types of applications. The main advantage of these regulator chips is their low power consumption for an extended battery life. This PMIC chip is suitable for a wide input voltage range from 2V to 6V, and can be integrated into systems that require a dc-dc converter.

This chip supports an adjustable output voltage of 0.8V to 5V in a compact 3mmx2.5mm TDFN package, with high efficiency up to 90%. The switching frequency of the AP65502SP-13 is adjustable up to 500KHz and shows a low output noise down to 50mV. It also contains over-voltage, over-current, and thermal shutdown protection.

The AP65502SP-13 is an ideal choice for powering microprocessors, FPGAs, LEDs, and other integrated circuits in industrial control systems, automotive applications, healthcare devices, and consumer electronics. It’s also compatible with a variety of different power supplies such as AC/DC, battery, and USB, making the device even more versatile and efficient.

The working principle of the AP65502SP-13 is based on pulse-width modulation (PWM) switching topology. The chip generates a PWM signal that is optimized based on parameters such as the duty cycle, switching frequency and dead time. This PWM signal is used to create an output voltage that is regulated with a built-in voltage error amplifier. This voltage error amplifier monitors the voltage difference between the output and reference, and adjusts the duty cycle until the voltage is within the desired range.

In addition to this, the AP65502SP-13 comes with a variety of integrated features such as soft-start and phase-shift control, which help prevent output voltage over-shoot and noise during startup. It also implements an interior oscillator to frequency hop across different frequencies during light load condition, which helps maintain efficiency and improve thermal performance. This chip also supports frequency foldback and burst mode operations that can be used to further optimize its performance.

The AP65502SP-13 is a versatile and highly efficient PMIC chip that comes with a wide range of features for improved system performance and protection against over-voltage and over-current. Its op-amp based control loop provides fast response time and excellent output voltage regulation. Furthermore, it has an adjustable output voltage range and adjustable switching frequency of up to 500KHz, making it a great choice for applications requiring low power and high efficiency in a compact package.

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