LMR23630AQDDARQ1

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The LMR23630AQDDARQ1 is an integrated power switch (IPS) device from Texas Instruments. The device is a 600 mA DC-DC switching regulator with a wide input voltage range of 4.5V to 22V. Specifically, the device is a 5V/3A step-down DC-DC switching regulator and offers a wide range of features designed to provide power efficiency and system flexibility. In addition, the device offers a simple structure and is highly cost-effective, making it ideal for cost-sensitive applications such as consumer, computing, and automotive applications.

The core function of the LMR23630AQDDARQ1 is to convert an input voltage into an output voltage with different values. The device uses voltage-mode control to regulate the output voltage. The internal oscillator creates a fixed frequency of up to 1 MHz adjusts the Pulse Width Modulation (PWM) duty cycle in order to provide the feedback control to regulate the output voltage. It uses hysteretic operation for high efficiency at light loads, which means that the output voltage rises when the load reduces.

The LMR23630AQDDARQ1 has been designed to meet the requirements of various applications. It is highly suitable for consumer, computing, automotive and industrial applications which require low power and a wide input voltage range. This device can also be used in applications with hot-swap capability, voltage scaling, multiple output-voltage capability and ultra-low dropout voltage conversion. Moreover, it is specially designed to provide high efficiency and excellent thermal performance.

The LMR23630AQDDARQ1 is offered in a 4-mm x 2.3-mm QFN package, which offers design flexibility and makes it convenient for customers to place the device in their desired location. In addition, the device has several built-in features such as adjustable soft start mode, output disconnect, foldback current limit and over temperature protection, which provide safety to customers during operation. The device is also designed to have low quiescent current, making it an ideal choice for cost sensitive applications where power efficiency and system cost are of critical importance.

The device operates in an adjustable voltage mode and has an external feedback connection. The output voltage is adjustable using an external voltage divider. The internal PWM oscillator is specific to each device and can be set with an external resistor. Moreover, the device has an internal synchronous rectifier and current sources which help reduce power losses, maximize efficiency and reduce output voltage ripple.

In summary, the LMR23630AQDDARQ1 is an integrated power switch device from Texas Instruments which is suitable for a wide range of applications. Its features include adjustable voltage mode, low quiescent current, high efficiency and excellent thermal performance. Moreover, the device is offered in a QFN package and has several built-in features such as adjustable soft start mode and output disconnect, making it an ideal choice for applications which require low power and wide input voltage range.

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