TLE4275DATMA1

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Introduction

The TLE4275DATMA1 is a linear voltage regulator from Infineon Technologies. It is a monolithic integrated circuit designed for use in applications requiring good electrical performance. This document provides background on the application field and working principle of the TLE4275DATMA1.

Application Field

The TLE4275DATMA1 is suitable for a wide range of applications, including power supplies for digital systems, battery applications, and analog circuitry. It can be used to provide level shifting between different voltages, as well as to provide local powering of individual application-specific ICs such as microcontrollers, transceivers, and frequency oscillators.

The device can also be used as an inverter in processor power supplies, as well as in DC-DC converters, switching regulators and charge pumps. With its low dropout voltage, the device can provide additional flexibility in battery-powered systems, allowing more efficient power usage of the battery source.

Working Principle

The TLE4275DATMA1 is a linear voltage regulator. It works by controlling the amount of current flow through a pass element between the input voltage and the output voltage. The amount of current is determined by the amount of voltage differential between the input and output voltage. Depending on the operating conditions, the device is capable of providing a dropout voltage as low as 300 mV.

The device features built-in current limiting and thermal shut-down protection. The current limitation is determined by an external resistor connected to the control pin, while the thermal shutdown is activated at 170°C. The device also features reverse-battery protection, over-voltage protection, and under-voltage lockout.

Conclusion

The TLE4275DATMA1 is a linear voltage regulator from Infineon Technologies that is suitable for a wide range of applications, including power supplies for digital systems, battery applications, and analog circuitry. It works by controlling the amount of current flow through a pass element between the input voltage and the output voltage. The device features built-in current limiting and thermal shut-down protection, as well as reverse-battery protection, over-voltage protection, and under-voltage lockout. It can provide a dropout voltage as low as 300 mV, depending on the operating conditions.

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