L5983TR Integrated Circuits (ICs)

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The L5983TR is a highly efficient and versatile DC/DC switching regulator intended for use in low-voltage applications. It is capable of providing up to approximately 20W of output power in various configurations. The device features a high-frequency flyback topology with programmable output voltage adjustment, allowing it to be used in a wide range of applications.

The most common application for the L5983TR is powering microprocessors and other low voltage system components. This is due to its high efficiency and low component count. The device also has a wide range of application possibilities due to its programmable output voltage, dynamic load-line control, pulse-width modulation (PWM), and its wide input voltage range. It can be used to supply power from 1.8V to 24V and can be used to generate an adjustable output voltage from 0.9V to 14V.

The L5983TR features a dynamic load-line control, which regulates the output current while simultaneously decreasing its internal power dissipation. This allows the device to deliver the required current to the load while remaining efficient. The device also features Pulse-Width Modulation (PWM), allowing it to output current to the load with greater stability. Additionally, the device can be programmed for a wide range of input voltages.

The primary components of the L5983TR are the controller circuit, the power transistor, the transformer, and the high frequency inductors. The controller is a high-speed Pulse Width Modulation (PWM) controller circuit, which uses a feedback network to control the switching frequency. The power transistor is connected to the high frequency inductors, which convert the high frequency voltage pulses into the desired amount of power required to load.

The transformer is used to create a galvanic isolation barrier between the input and output, allowing the device to directly drive along load capacitance, which helps minimize noise and EMI. The input and output of the L5983TR are further subjected to various protections such as short circuit, over current, over temperature, and over voltage.

Overall, the L5983TR is an efficient and versatile DC/DC switch regulator that provides an adjustable output voltage from 0.9V to 14V. It is capable of delivering up to 20W of power and has a wide input voltage range from 1.8V to 24V. Additionally, the device features PWM control, dynamic load-line control, and input protection. The L5983TR is suitable for powering microprocessors, system components, and a wide range of other applications.

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