PAM2401YPADJ

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PAM2401YPADJ is a class of DC-DC switching regulator, part of a family of voltage regulators by Diodes Inc. It is a step-up switching converter with a low shutdown current and selectable output voltage. It is ideal for applications such as post-regulation, LED lighting or powering microcontrollers.

Features

The features of PAM2401YPADJ make it a great choice for applications requiring these types of voltage regulators. It has a wide 4V to 40V input voltage range, an output current of up to 1A with no external components, a high efficiency of 82%, and a fast transient response with adjustable output voltage.

It also has an adjustable operating frequency, allowing users to select the frequency based on their needs. This allows the user to optimize the system\'s efficiency, which is especially useful in LED lighting applications. It also has shadow mode control and burst mode function, allowing it to maintain a constant output voltage in order to save power when the load demands it.

The PAM2401YPADJ also has a low operating current of just 8μA, allowing it to be used in battery-powered applications. In addition, it has an adjustable soft-start circuit, helping to reduce inrush current during startup. Finally, it also has short-circuit and over-voltage protection, as well as thermal protection, improving the overall reliability of the system.

Applications

The PAM2401YPADJ is a great choice for applications such as post-regulation, LED lighting or powering microcontrollers. It is well-suited for battery-powered devices, as its low operating current allows it to remain in operation even when the battery voltage is low. It is also suitable for lighting applications due to its high efficiency and adjustable operating frequency, two features which enable the user to optimize their system.

Finally, the PAM2401YPADJ is advantageous for powering microcontrollers due to its adjustable output voltage, fast transient response, and short-circuit and over-voltage protections. It is also well-suited for any application requiring a step-up switching regulator with these types of features.

Working Principle

The PAM2401YPADJ uses a pulse width modulation (PWM) control scheme to regulate the output voltage. The controller monitors the feedback voltage in order to compare it to its set point, and adjusts the duty cycle of the PWM signal accordingly. The correct duty cycle allows the converter to maintain a constant output voltage, helping it to remain stable even when the load changes.

In shadow mode, the voltage is sensed directly at the output, enabling the controller to bypass the feedback loop. This helps to improve the efficiency of the circuit as less energy is wasted as heat, thus improving the overall energy efficiency of the system.

The burst mode function keeps the circuit in a low-power mode during light loads, thus reducing the overall power consumption. This also reduces the overall heat generation, which can be especially useful in power sensitive applications.

Conclusion

The PAM2401YPADJ is a great choice for applications requiring step-up switching regulators. It has a wide input voltage range, a high efficiency of 82%, and a fast transient response, making it well-suited for post-regulation, LED lighting or powering microcontrollers. Its low operating current, adjustable output voltage, adjustable soft-start, and overload and thermal protections provide it with better protection and reliability.

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