LM22670QMRX-5.0/NOPB

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The LM22670QMRX-5.0/NOPB is a DC/DC buck switching regulator that is rated for an output power of up to 5.0W. It has been designed to provide a highly efficient and reliable power conversion solution for industrial, instrumentation, and consumer electronics applications. The device is capable of producing a regulated output voltage from 0.7V to 10V with a maximum output current of 1A. It is based on the LM22670 high-efficiency buck switching voltage regulator IC, which is capable of delivering up to 96% efficiency and provides low dropout voltage operation.

Features:

• Wide Input Voltage Range (2.7V – 16V)
• Integrated Power MOSFETs
• Maximum 1A Output Current
• Programmable UVLO Protection
• Programmable Frequency
• Programmable Output Voltage (0.7V – 10V)

Applications:

• Battery Powered Devices
• Microcontrollers
• Cameras
• GPS and Navigation Systems
• Portable Audio Devices
• Sensors and Measurement Equipment

Working Principle

The LM22670QMRX-5.0/NOPB is a buck converter, meaning it converts a higher input voltage to a lower output voltage. The voltage converter works by controlling an output switch and regulating the on-time of the switch based on feedback from an error amplifier. The output voltage of the LM22670QMRX-5.0/NOPB is monitored by an internal comparator and it\'s protected against over-voltage/short-circuit conditions by an input UVLO (Under Voltage Lock Out) circuit. Depending on the application, the user can adjust the output voltage by connecting an external resistor divider between the OUT and FB pins.

Design Considerations

When working with DC/DC switching regulators, it\'s important to understand the basics of power supply design and thermal management. The LM22670QMRX-5.0/NOPB should be placed as close as possible to its power source, with short and direct connections to minimize EMI (electromagnetic interference). A proper thermal solution should also be implemented to ensure proper operation of the device, since it\'s designed to operate over an extended temperature range.

Conclusion

The LM22670QMRX-5.0/NOPB is a high-efficiency DC/DC buck switching regulator that is designed for industrial, instrumentation, and consumer electronics applications. It has a wide operating input voltage range and is capable of providing up to 1A of output current. Appropriate thermal and EMI solutions should be implemented to ensure proper operation.

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