PAH75S48-24

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DC DC converters provide the ideal way to derive the required current and voltage needed in a number of electrical and electronic components. The PAH75S48-24 DC DC converter is an advanced, rugged, easily programmable solution that provides a reliable 24V output from a 48V input. Typical applications include industrial, automotive and avionic devices, where the temperature range must meet specialized requirements. The PAH75S48-24 is an efficient choice for powering digital signal processing (DSPs) and FPGA computing electronics.

The PAH75S48-24 has an adjustable output voltage range of 0.8V to 24V, and a maximum output current of 25A. It features synchronous rectification, enabling a programmable switching frequency up to 350kHz for high-efficiency operation. The device also offers programmable current-mode control for improved stability over a wide load range with excellent line regulation.

The PAH75S48-24 features an integrated high-side and low-side MOSFET, allowing for improved efficiency and reduced package space. The output voltage of the converter is controlled via a single resistor or a voltage feedback. The converter also incorporates a soft-start function and provides system-level protection against overcurrents, overvoltages and overtemperatures.

The working principle of the PAH75S48-24 converter is quite straightforward. The device uses a synchronous buck topology with an integrated high-side and low-side MOSFET. The switch duty cycle is regulated in order to control the output voltage of the converter. The internal control circuit senses the output voltage of the converter and adjusts the duty cycle of the switch accordingly. When the output voltage is too low, the MOSFET switch will be on for a longer period of time, thus increasing the output voltage. The reverse is true when the output voltage is too high.

In terms of power efficiency, the PAH75S48-24 can handle up to 96% efficiency, depending on the input voltage and the load. Notably, the device enables excellent efficiency even at lower output voltages and over a wide range of load conditions. It also offers superior transient response and can handle load transients of up to 3A peak, ensuring that the system remains stable and reliable under varying load conditions.

The PAH75S48-24 is a versatile and reliable solution for a wide range of DC DC conversion applications. It offers excellent power efficiency, an adjustable output voltage range, programmable current-mode control and system-level protection. Combined with its robustness and reliability, the PAH75S48-24 can make a significant difference in the performance and power efficiency goals of any application.

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