TLE42744EV50XUMA1

PMIC - Voltage Regulators - Linear

The TLE42744EV50XUMA1 is a cost-effective, high-performance, ultra low-power voltage regulator from STMicroelectronics, designed for use in precision circuits and applications in the Industrial and Automotive markets. The device is manufactured in BiCMOS technology and has a wide range of operating temperature range from -40 to 150°C. It includes an adjustable and fixed output voltage, high precision regulating, low on-resistance, thermal protection and over current protection.

The voltage regulator is a simple electronic circuit that is used to provide a stable output voltage signal. This depends on the input voltage that is being supplied. It is commonly used in a wide range of applications, ranging from computer motherboards, portable electronics, and telecommunications equipment to power supplies and industrial control systems.

Application field:

The TLE42744EV50XUMA1 is suitable for various applications such as automotive, industrial, and consumer electronics, providing accuracy and stability over a wide range of environmental conditions. It also supports a wide supply range, up to 45V with a high performance floating voltage source from -40 °C to +150°C.

It can be used for motor control applications in which it provides a constant supply voltage for operation, allowing more reliable operation and more consistent performance. The adjustable feature makes it possible to adapt to different loads in these applications. It can also be used in battery powered applications, such as mobile phones, laptops, and tablets where a stable supply voltage is required over the entire discharge cycle.

It is also applicable to precision systems as it provides excellent accuracy and input signal filtering. It has extremely low output noise and high ripple rejection ratio, making it ideal for high-precision applications.

Working principle:

The TLE42744EV50XUMA1 works by using a comparator to provide the necessary feedback for the voltage regulator circuit. The comparator senses the output voltage fed to the load and compares it with the reference voltage. If a difference between the two is detected, the regulator adjusts its internal circuitry to regulate the output voltage to the desired level.

It also uses a zener diode as a reference voltage source. This zener diode is initially connected to the input voltage source, which provides a regulated voltage for the reference voltage. When the output voltage changes, the zener diode adjusts itself based on the feedback loop, allowing the voltage regulator circuit to maintain a constant output.

The TLE42744EV50XUMA1 is also equipped with thermal protection and over current protection, which ensures that the device can operate safely under extreme conditions. The device has a wide range of operating temperature range from -40 to 150°C, and is ideal for harsh conditions and extreme temperatures.

In conclusion, the TLE42744EV50XUMA1 voltage regulator is a cost-effective, high-performance, ultra-low power device, ideal for application such as motor control, consumer electronics, industrial systems and precision circuits. It provides excellent accuracy, stability and protection over a wide range of environmental conditions.