PDQE10-Q48-S12-T

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A DC-DC converter is a DC-to-DC electronic power conversion device, which takes the input voltage and current source of one polarity or waveform and provides an output voltage of another polarity orwaveform. DC-DC converters are used to convert DC voltages from one level to another, and they are used for a variety of applications, including power supply, battery management, and telecommunication. The PDQE10-Q48-S12-T is an example of a DC-DC converter that can be used for a variety of applications and operates on a principle known as pulse-width modulation (PWM).

The PDQE10-Q48-S12-T is a synchronous buck DC-DC converter with a wide 9 to 36V input voltage range. The output voltage is adjustable from 1.0 to 5.4V with a low output ripple, providing a steady voltage output to microprocessor and memory systems. The typical peak-to-peak, output ripple voltage is less than 0.5% of maximum output voltage. Its switching frequency can be adjusted allowing optimized power efficiency for the system.

The PDQE10-Q48-S12-T is capable of providing up to 12A of continuous output current, with a maximum power output of 62 W. It is designed to operate over wide temperature ranges without the need of active cooling. Its input and output filtering reduces the amount of electromagnetic interference (EMI) allowing it to conform to various EMC requirements.

The inner working principle of PDQE10-Q48-S12-T can be explained as the following: starting with its input voltage, the IC compares it to a reference voltage. This reference voltage source is generated inside the IC and sets the max PWM duty cycle so the output voltage can be adjusted. The output voltage is rectified back to the DC link and the output voltage and current are monitored. The compensation block takes into account several parameters such as input voltage, output voltage, output current, switching frequency, etc., using a loop system in order to maintain the output voltage on point. This regulation loop is also used to increase the IC’s robustness, allowing it to compensate for abrupt changes in current due to loads or changes in the input. The chip drives the PWM and switches using the compensation block’s regulation feedback.

The PDQE10-Q48-S12-T contains many integrated protection features, including circuit-breaker, adjustable soft-start, adjustable maximum duty cycle, and overvoltage protection for the input and output. The chip, made using advanced CMOS process technologies, also includes high levels of current and temperature protection, as well as overload and current monitoring. Its integrated analog loop compensation, fast transient response, and enhanced system efficiency make it well-suited for powering sensitive loads and systems.

The PDQE10-Q48-S12-T converter is well-suited for a variety of applications, including general-purpose power supplies, desktop/laptop computers, telecommunication and networking equipment, and automotive, industrial, medical, and aerospace applications. Its wide voltage range, low output ripple, and high system efficiency make it an optimal choice for those applications.

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