LM3880MF-1AD/NOPB

The LM3880MF-1AD/NOPB is a compact system power supply controller from Texas Instruments. It is a monolithic switching regulator/monitor IC designed to provide regulated outputs, overvoltage protection and regulated input power in space-saving, low-power applications. The LM3880MF-1AD/NOPB provides a low creep power supply at a low cost, is compatible with 5V and 3V logic, and is suitable for battery-powered systems. It allows for an input power of up to 5V DC, a regulated output voltage range of 2.7V to 5.5V and an output current of up to 200mA.

Application fields

The LM3880MF-1AD/NOPB is suitable for applications such as portable electronic devices, which require low-cost, space-saving designs with high efficiency, such as: Mobile phones and digital cameras, PDAs, home appliances and medical equipment, industrial electronics and instrumentation, automotive and commercial products.

Working principle

The LM3880MF-1AD/NOPB is a monolithic switching regulator/monitor IC designed to regulate voltage and monitor current in a wide range of portable systems. The LM3880MF-1AD/NOPB has five main components, the power supply switch, power monitoring circuit, current monitor and overvoltage protection circuit. The power supply switch controls the output voltage by regulating the on/off duty cycle of the power supply switch, while the power monitoring circuit monitors the output voltage. The current monitor monitors and regulates the load current, while the overvoltage protection circuit protects the device from overvoltage faults. The LM3880MF-1AD/NOPB has a low on-resistance power switch and a high current capability, resulting in a compact, space-saving and efficient design.

Conclusion

The LM3880MF-1AD/NOPB is a monolithic switching regulator/monitor designed for a variety of portable electronic devices which require low power cost and space savings. The device features a low on-resistance power switch, a high current capability and an efficient output voltage regulation. The overvoltage protection circuit protects the device from overvoltage faults, while the current monitor monitors and regulates the load current. The LM3880MF-1AD/NOPB provides a simple, compact and cost-effective solution for portable electronic devices.