LD39150PT33-R

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LD39150PT33-R is a voltage regulator circuit designed by Motorola Inc. In the PMIC (Power Management Integrated Circuit) industry, it belongs to the category called Linear Voltage Regulator Circuits. Such circuits are typically used in any application where a stable fixed DC (direct current) voltage output is required. The application field of LD39150PT33-R is quite varied, covering wide range of technological applications in computers, communications, consumer electronics and industrial instrumentation.

The working principle of the LD39150PT33-R voltage regulator circuit is rated at 3V to 15V (volt) IN adjustment range and provides an adjustable, low drop out and high efficient output at a maximum of 1.5A. It is a three-terminal adjustable regulator type which consists of a precision reference, an error amplifier, a series pass element and short-circuit protection. The output is regulated by driving a series pass element from the amplifier.

The gain selection is realized by connecting an external resistor from the output to the adjustment pin of the device. At the initialization of the device, the output voltage (Vout) steadily reaches the value set by the two resistors in the circuit. When the load increases, the error amplifier responds and increases the current to the series pass element in order to bring the output voltage back to the desired value.

The reference voltage terminal of the device is internally set and has a typical value of 1.25V. A separate test output pin is also available which is directly from the reference. This pin serves as a diagnostic feature and can be used to detect a malfunctioning device by measuring the voltage level at the test pin.

The LD39150PT33-R voltage regulator circuit is designed to operate in a wide input voltage range that is from 3V to 15V in order to support variety of voltage regulators, and the output is adjustable by using two external resistors. The low drop out voltage of the device requires as little as 1.25V differential between input and output and allows the LD39150PT33-R to regulate a much wider input voltage range than other linear voltage regulators.

The device also provides some very useful protection features such as inrush current limiting, overvoltage protection, overcurrent protection and thermal protection. The device is packaged in the industry standard TO-263 packages, making it convenient for engineers to use it in their designs. This device is ideal for applications where low output voltage and low dropout voltage are desirable.

In summary, the LD39150PT33-R is a well-designed three-terminal adjustable voltage regulator circuit from Motorola Inc. It offers a wide input voltage range, low dropout voltage, protection features which include inrush current limiting, overvoltage protection, overcurrent protection and thermal protection, and internal precision reference. It is packaged in the industry standard TO-263 packages, making it easy to use. It is suitable for a wide range of applications where a stable, low dropout, high efficiency and adjustable output voltage is needed.

The specific data is subject to PDF, and the above content is for reference