LT3502AIDC#TRMPBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

LT3502AIDC#TRMPBF is a high-efficiency, isolated DC-DC switching regulator specifically designed for use in distributed power systems. The device operates with input voltages of up to 600V and delivers regulated output voltages of either 3.3V or 5V. The device features selectable current limits, adjustable output voltage and dynamical tracking, as well as soft start and over-temperature protection. The device also features a variety of safety features, such as adjustable under-voltage lockout, input over-voltage protection, input active current-limit protection and output short-circuit protection. It is available in a 14-pin, dual inline surface mount package.

Applications

The LT3502AIDC#TRMPBF is a highly efficient switching regulator ideally suited for use in distributed power systems such as industrial and automotive, as well as renewable energy power applications. It can also be used in a variety of other applications, including in distributed power architectures, especially in situations where two or more isolated power sources need to be interchanged and/or cascaded.

Working Principle

The LT3502AIDC#TRMPBF works on pulse width modulation (PWM) technology. Under this method, the switching regulator controls the amount of load current drawn by the regulated output stage by modulating the width of the pulses generated by the switching transistor. By controlling the width of the pulses in this way, the device can adjust the voltage across and the current through the regulated output stage, ultimately resulting in a regulated output voltage.

In order to ensure that the output voltage of the LT3502AIDC#TRMPBF remains constant, the device includes a number of safety features, including under-voltage lockout, input over-voltage protection, input active current-limit protection, and output short-circuit protection. The device’s adjustable current limit and dynamical tracking features also help to ensure the output voltage remains constant and regulated. Finally, the device’s soft start feature ensures that it will start up safely and without disruption.

Overall, the LT3502AIDC#TRMPBF is a high-efficiency, isolated DC-DC switching regulator specifically designed for use in distributed power systems. It features adjustable current limit and dynamical tracking, as well as a variety of safety features, such as adjustable under-voltage lockout, input over-voltage protection, input active current-limit protection, and output short-circuit protection.

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