LMS3635MQRNLRQ1

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PMIC - Voltage Regulators - DC DC Switching Regulators, otherwise known as DC to DC Switching Regulators, plays an integral role in providing precise power regulation in today’s modern system designs. Utilizing cutting-edge technology, DC to DC switching regulators provide a precise, controllable and cost-effective solution to applications requiring voltage regulation and power conversion. The LMS3635MQRNLRQ1 is a powe efficient, low-noise, step-down DC-DC switching regulator with an internal operating frequency up to 2MHz, designed for use in multiple industrial, communication, computing and consumer applications.

Application Field of LMS3635MQRNLRQ1 and its Working Principle

The LMS3635MQRNLRQ1 is particularly well-suited for a variety of demanding applications where precise, efficient and low-noise power regulation is of paramount importance. High power conversion efficiency over a wide operating temperature range and current mode control offers the processor or the microcontroller a clean regulated power supply. It has the capability to withstand input voltages up to 24V and output current of up to 2A. It is also composed of highly integrated components, including voltage regulator, synchronous rectifier, and logic control circuitry, that provides accurate and ripple free power output.

The LMS3635MQRNLRQ1 utilizes a PWM converter architecture, consisting of two main components: an inductor, and a power switch (typically a MOSFET). The device controls the power switch in order to regulate the input voltage to the desired output voltage by varying the on and off times of the switch. When the switch is turned on, energy is stored in the inductor; when the switch is turned off, the energy is released from it, thus providing the current for the output. The feedback control ensures that the output voltage is maintained within a specified range by adjusting the on-time of the switch.

In addition, EMI filters are designed with the LMS3635MQRNLRQ1 to reduce electromagnetic interference from the power switch circuit. The EMI filter ensures that any generated EMIs—LF, RF or PW—are suppressed, which allow the device to function within the required frequency range.

Key Features of LMS3635MQRNLRQ1

The LMS3635MQRNLRQ1 offers several unique features such as fast transient response, adjustable output voltage, programmable soft-start, overload protection, short-circuit protection, and thermal detection. These features make it a perfect choice for applications such as LED lighting, motor drives, robotics, communication systems, and multimedia.

Fast transient response: The fast transient response time of the LMS3635MQRNLRQ1 allows the device to quickly adjust to sudden changes in the input voltage, thereby providing the best output voltage for current load demand.

Adjustable output voltage: The LMS3635MQRNLRQ1 can be programmed using an external resistor divider for an adjustable output voltage range from 0.6V to 5.5V. This feature allows the user to easily set the desired output voltage for their application.

Programmable soft-start: The user-programmable soft-start prevents the inrush current during start-up by gradually raising the output voltage to the desired level. This helps to eliminate the risk of short-circuit and damage to sensitive components.

Overload protection: The LMS3635MQRNLRQ1 features an overload protection mechanism that shuts down the device when the output current exceeds the safe level. This helps to protect the device from damage due to an overload.

Short-circuit protection: The device includes a short-circuit protection circuit that shuts down the device in the event of a short-circuit. This helps to protect the device from damage due to a short-circuit.

Thermal detection: The LMS3635MQRNLRQ1 also provides a thermal protection to prevent the device from overheating. The thermal protection circuit automatically shuts down the device when the temperature exceeds a safe level, helping to protect the device from damage due to overheating.

Conclusion

The LMS3635MQRNLRQ1 DC-DC switching regulator is a highly efficient and low noise solution for adjustable voltage applications. It features fast transient response, adjustable output voltage, programmable soft-start, overload protection, short-circuit protection, and thermal detection, making it a perfect choice for applications requiring precise and reliable power regulation. For these and many more reasons, the LMS3635MQRNLRQ1 DC-DC switching regulator is an ideal choice for designing small, low noise, and power efficient applications.

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