LD39150PT25-R

LD39150PT25-R Application Field and Working Principle

LD39150PT25-R is a 3-pin low-dropout linear regulator made by ROHM Semiconductor. This type of regulator is mainly used for providing a stable reliable power and getting rid of noise from the power supply and other interferences like voltage fluctuation. It can also be used for designing circuits that require long battery life and minimal power use. This type of linear regulator is categorized under PMIC - Voltage Regulators - Linear.

This regulator is mainly used in automotive electronics, mobile phone applications and other systems that require robust performance. It has operating temperature range of -40°C to 125°C, making it suitable for a wide range of applications. It is also AEC-Q100 Grade 1 qualified which makes it a reliable component for automotive applications.

The working principle of the LD39150PT25-R features two voltage regulator modes of operation: control mode and bypass mode. In control mode, the output voltage is regulated by the control difference between a reference voltage and the output voltage. The output voltage is then adjusted according to the set voltage of the voltage regulator. In bypass mode, the output voltage is regulated by supplying power directly from the output of the regulator, which bypasses the control circuit. This mode makes it possible to reduce power consumption and minimize component count.

The LD39150PT25-R is a low-dropout regulator (LDO) which means it operates with very low input-output differential voltage. This reduces the amount of power lost during the voltage regulation process, thus improving efficiency. This regulator also has very low quiescent current, making it suitable for battery-powered applications where low power consumption is required.

Other features of the regulator include under-voltage protection (UVLO), overload protection (OLP), over current protection (OCP), and thermal protection (TSD). These features make the LD39150PT25-R an ideal choice for applications where reliability is required such as automotive, computing, industrial and communications.

In conclusion, the LD39150PT25-R is a three-pin low-dropout linear regulator made by ROHM Semiconductor. This regulator is mostly used in automotive electronics and mobile phones applications. It has two voltage regulator modes of operation - control mode and bypass mode - and offers several protection features such as under-voltage protection, overload protection, over current protection and thermal protection. It also has very low quiescent current and input-output differential voltage, making it suitable for applications that require minimal power use.