PH50S245

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DC-DC converters are electronic devices that convert direct current from one voltage level to another. They are commonly used for regulated power supplies to provide the required voltage levels necessary for most electronic devices. PH50S245 is a kind of DC-DC converters which have various applications due to its features and capabilities.

The PH50S245 is a DC voltage regulator specified for 48 volt input and 12 volt output applications. It provides an adjustable output voltage from 8 volts to 31.2 volts and can support a maximum current of 25 amps. The output voltage is regulated via an internal voltage error amplifier and an external 1 turn potentiometer. It features full protection circuit including current limit, short circuit protection, and over temperature protection.

The PH50S245 is a step-down (buck) converter which is designed for applications such as RV PSU (Power Supply Unit) and industrial equipment requiring regulated 48V DC input voltage. It allows efficient conversion of 48V Input voltage to 12V Output required by various industrial equipment. The converter also offers high efficiency, no-load power and high power output capability with its industry-leading performance.

The working principle of a PH50S245 DC-DC converter is based on a switch mode of operation. In this mode, an internal switch moves primary side current (Vin) to the output side by a pulse width modulated (PWM) signal at a constant frequency. The output voltage is regulated by the internal error amplifier and an external 1 turn potentiometer.

When the power is applied, the voltage on the input side is sensed and regulated to the set value via the internal error amplifier. The PWM signal is then applied to the switch to control and regulate the output voltage. When the current is switched off, the inductor and output capacitor will maintain the output voltage at the set level until the current is switched on again. During the switching on/off period, an internal oscillator will control the rise and fall time of the PWM signal.

The PH50S245 DC-DC converter is designed to be used in a variety of applications such as RV, industrial battery charger, and industry equipment control where 48V DC input is provided and a regulated 12V DC output is required. It offers industry-leading performance, efficiency, no-load power and maximum power output capabilities. Its wide input voltage range ensures reliable operation even in harsh environments. Moreover, with its full protection circuit, it can provide reliable protection against current limit, short circuit, and over-temperature ensuring its safe operation.

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