EL7562CUZ-T7

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EL7562CUZ-T7 is a monolithic, wide Vin range, buck switching regulators by Power Integrations (PI) Inc. It is part of the PI’s Family of DC-DC switching regulators, categorized under Voltage regulation and switched-mode power supply (SMPS). The EL7562CUZ-T7 provides good efficiency, low noise and high accuracy over large input voltage range up to 65V while delivering up to 500mA of current. It offers two fixed output options of 3.3V and 5V, both with ±1% accuracy.

The EL7562CUZ-T7 can operate in five modes : buck, boost, SEPIC, flyback and buck-boost. It is designed to operate with a supply voltage of 6V to 65V, and can deliver up to 500mA output current with an adjustable output voltage from 0.6V to VIN. The switching frequency is adjustable from 50kHz to 1 MHz, and the EN/UVLO pin can be used to control the output voltage. The device also features short-circuit, over-current protection and over-temperature protection for added safety.

The EL7562CUZ-T7 is suitable for use in applications where high current, wide Vin range and good efficiency is required, such as power supplies in telecommunications, industrial, computers and automotive systems. The device can also be used as an isolated converter in battery powered systems. The programmable frequency and adjustable output voltage, together with precise current and temperature monitoring provide great flexibility and helps extend battery life.

The main components of EL7562CUZ-T7’s internal function are the high-side MOSFET, the low-side MOSFET, and the control switches that regulate the output voltage and current. The high-side MOSFET is controlled by a PWM signal to regulate the voltage and current, while the low-side MOSFET is used to operate in either buck or boost mode, depending on the system requirements. The control switches govern the flow of current through the high and low-side MOSFETs when the circuit is in Buck, Boost and Buck-Boost modes. The regulation of the output voltage and current of the device is accomplished through the feedback loop.

The EL7562CUZ-T7 is an efficient, wide input voltage range, DC/DC switching regulator with good accuracy and low noise, catering to a variety of applications. The device offers adjustable switching frequencies and output voltages, making it suitable for isolated converter designs. The robust protection provides additional safety and reliability in demanding applications.

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