TL2575-15IKV

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Introduction

TL2575-15IKV is a DC/DC buck converter integrated circuit developed by Texas Instruments (TI). It is the 15-Volt version of the low-voltage TL2575 family of regulators. It is part of thePMIC - Voltage Regulators - DC DC Switching Regulators category of integrated circuits.

Features and Applications

The TL2575-15IKV is ideal for use in automotive and industrial applications, providing a regulated output of 15 volts with a peak load of 1 amp. It is designed to work with wide input voltage range, making it suitable for use in harsh power environments. Its low dropout voltage, low quiescent current, and low operating frequency make the TL2575-15IKV a highly efficient component.

The TL2575-15IKV is also suitable for use in portable computing, networking, and communication applications, providing a reliable and safe power source.

Working Principle

The TL2575-15IKV operates on the principle of buck-mode switching regulation. It senses the output voltage and adjusts the top switch\'s conduction time to regulate the output voltage. The TL2575-15IKV is composed of two main subsystems: the control logic and the power stage. The control logic consists of an input voltage sensor and an error amplifier connected to an oscillator, while the power stage consists of two N-channel MOSFETs and two inductors.

The input voltage sensor senses the input voltage and provides an output voltage proportional to the input voltage. The error amplifier compares the output voltage and the input voltage, and adjusts the pulse width of the oscillator, providing the necessary conduction time for the N-channel MOSFETs. The two N-channel MOSFETs, connected to the inductors, then switch on and off in a given frequency. The current begins to build up in the inductor when the switch is on, and is released at the output when the switch is off. This process continues and the output voltage is regulated.

Conclusion

The TL2575-15IKV is a highly efficient DC/DC buck converter integrated circuit, designed for a wide input voltage range and suited for automotive and industrial applications. It is composed of a control logic and a power stage, and operates on the principle of buck-mode switching regulation. The TL2575-15IKV is an excellent choice for power regulation applications with its high efficiency, small size, and reliability.

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