LM22670QMR-5.0/NOPB

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The LM22670QMR-5.0/NOPB is a DC/DC switching regulator that is part of the Power Management Integrated Circuit (PMIC) product family manufactured by Texas Instruments (TI). This high-performance device is designed to facilitate power delivery in portable devices and other applications, while providing the convenience and flexibility of a suite of integrated control, protection and monitoring features. In addition, the LM22670QMR-5.0/NOPB integrates output regulation and a synchronous rectifier realizing greater efficiency, low output noise and a smaller form factor.

The LM22670QMR-5.0/NOPB features a high-efficiency switching regulator designed for a wide range of synchronous buck or boost converter applications. It provides a regulated output voltage from 0.6V to 5.5V from up to a 24V input voltage range. The switching frequency can be set to either 250kHz or 500kHz for optimal efficiency for various output load conditions. The device supports easy synchronization with an external clock as well as an adjustable output voltage setting using an external resistor.

The LM22670QMR-5.0/NOPB has a wide array of protection features, which includes an over-current limit (OCL) setting and a programmable hiccup time response to faults. This feature allows the user to set the current limit precisely to meet the output load requirements, enabling accurate on-time regulation. In addition, the device is also suitable for automotive applications, as it is specified down to -40°C ambient temperature.

The LM22670QMR-5.0/NOPB has advanced features for power supply design, such as advanced start-up, soft-run and power-good logic. This device also provides a choice of efficient controllers, protection circuits and monitoring functions, allowing the user to realize reliable and extended operating life from the system. In addition, the device also includes an automatic pulse-skip mode to reduce power consumption during light-load conditions. TI’s Power Management architecture allows the user to reduce power dissipation under light-load conditions, increasing overall system efficiency.

The LM22670QMR-5.0/NOPB utilizes TI’s patented Adaptive Time Control (ATC) to ensure fast transient response and superior accuracy. It senses changes in input voltage and rapidly compensates for transient load currents. Additionally, the device incorporates an asynchronous design that reduces noise and improves performance across the entire load range. The device also features a standby mode that supports extended battery life.

The LM22670QMR-5.0/NOPB has a wide range of operating temperature (-40°C to +125°C) and is available in a variety of packages, depending on the customer’s requirements. This device is RoHS certified, making it suitable for lead-free applications. The device is also certified to support the Automotive Electronics Council’s 3D Triple-Dex requirements.

In summary, the LM22670QMR-5.0/NOPB DC/DC switching regulator is a high-performance, reliable and efficient device suitable for a wide range of portable device and automotive applications. It supports flexible output regulation and a suite of integrated control, protection and monitoring features. The device is RoHS certified and certified to support the Automotive Electronics Council’s requirements. Its advanced features, such as advanced start-up, soft-run and power-good logic, allow the user to reduce power dissipation under light-load conditions, increasing overall system efficiency.

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