PXF4024WS15

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DC-DC converters are often used to adjust voltage and convert electrical power efficiently from one voltage domain to another. The PXF4024WS15 is a high efficiency DC/DC converter that has been designed to provide high efficiency, extended temperature range and excellent line and load regulation. It uses an advanced topology to provide low ripple and noise characteristics along with high power density. It is well suited for a variety of applications and can handle a wide range of input voltages and power levels.

The PXF4024WS15 operates off of a 1V to 15V input voltage and provides output currents of up to 4A. It can be used as an isolated supply for powering ASICs, FPGAs, DSPs, microcontrollers, sensors, or other integrated circuits. It can also be used for battery charging applications such as portable chargers, USB power sources, and consumer electronics chargers.

The PXF4024WS15 features a 4-phase interleaving PWM for smooth and silent operation. The converter incorporates a peak current mode control architecture that provides a wide load and line regulation range with excellent transient response characteristics. It is designed to achieve low noise operation even at frequencies as low as 200kHz, allowing the designer to reduce board space.

The PXF4024WS15 operates over a wide temperature range, from -40°C to +85°C in its extended industrial temperature range. It also has low stand-by power consumption and can operate in both constant voltage and constant current modes. It is also FCCB and RoHS compliant.

The working principle of the PXF4024WS15 DC-DC converter is that incoming power is rectified from AC to DC, and then regulated to the desired output voltage. The input stage includes a full wave bridge rectifier and a common-mode choke. The front-end buck switch is then driven by a peak current mode control topology to provide a regulated output. The control loop regulates the output voltage by sensing the primary side output voltage through the feedback network. The current-mode operation provides excellent line and load regulation, as well as a fast transient response, to ensure the output remains stable.

The PXF4024WS15 is a highly efficient DC-DC converter, capable of operating at up to 95% efficiency. It features a wide input voltage range, high operating temperature range, low noise output, FCCB and RoHS compliance, and peak current mode control for improved reliability. It is well suited for applications such as portable charger, USB power sources, consumer electronics charger and other integrated circuits.

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