IRU3038CS

PMIC - Voltage Regulators - DC DC Switching Controllers

The IRU3038CS is a low quiescent current, high efficiency, synchronous Buck converter with a very wide operating input range, making it ideal for applications in industrial, automotive and military environments. In addition to its reliable performance, the IRU3038CS also offers linear regulation, variable output, adjustable current limit and output tracking, thermal monitoring and protection. This makes it an ideal choice for a variety of applications.

Application Fields

The IRU3038CS switching regulator can be used in a variety of applications, including power supplies for computer systems, industrial PCs, wireless routers and any other equipment that needs to safely convert and regulate an input voltage. It can also be used in applications such as generic low voltage power conversion, battery chargers and voltage regulation for automotive, industrial and military purposes.

Working Principle

The IRU3038CS switching regulator operates on the Buck topology, which is a type of switching power supply that works by using a determination circuit to control the switching of a transistor. The topology is essentially a fixed frequency, constant-off-time, voltage mode design. This allows the regulator to efficiently convert an input voltage to an adjustable output voltage. The IRU3038CS provides excellent efficiency, precision output voltage regulation and wide input voltage range.

The converter system consists of an inductive boost stage and a synchronous rectifier stage. The function of the inductive boost stage is to transform the input voltage to a higher voltage level. The output from the boost stage is then rectified by the synchronous rectifier stage, which also regulates the output voltage. The inductive boost stage is controlled by the detection circuit, which is programmed to switch at a predetermined frequency. This enables the regulator to efficiently convert an input voltage to an adjustable output voltage.

Features

The IRU3038CS adjustable switching regulator is a highly efficient, low quiescent current, synchronous Buck converter with a very wide operating input range. It has a wide range of features such as adjustable output voltage, adjustable current limit, output tracking, and thermal monitoring and protection. The IRU3038CS is ideal for applications that need a reliable and precise output voltage regulation.

The IRU3038CS also offers a wide range of output currents, ranging from 0.2A to 3A. It has an adjustable switching frequency of up to 1.5MHz and a peak efficiency of 96%. The adjustable output voltage range is 2.0V to 6.0V and the adjustable overcurrent protection feature is programmable to anywhere in the range 0.2A to 3A.

The IRU3038CS switching regulator is an ideal choice for a variety of applications, including power supplies for computer systems, industrial PCs, wireless routers and any other equipment that needs to safely convert and regulate an input voltage. It is also suitable for a wide range of industrial, automotive and military applications.