MAX1730EUB+

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MAX1730EUB+ Application Field and Working Principle

The MAX1730EUB+ is a DC-DC switching regulator developed by Maxim Integrated Semiconductor for use in various applications. It belongs to the family of PMIC (Power Management Integrated Circuit) voltage regulators, in particular, DC DC switching regulators. This regulator is designed to regulate the output current of any type of low-voltage system.

MAX1730EUB+ is a monolithic voltage regulator designed to deliver high output current in a very small package. It is capable of driving up to 500mA of output current with excellent regulation characteristics and high ripple rejection. The input voltage range is from 2.7V to 14V, while the output voltage range is from 0.8V to 12V.

It is suitable for a wide range of applications such as automotive, consumer, portable electronics, and embedded control. It is a high-performance chip that offers low-noise, low-ripple, and low-power operation in a small package. It has an industry-standard pin-out and can be easily integrated into a variety of commercial and consumer applications.

Working Principle

The MAX1730EUB+ utilizes a non-inverting buck-converter topology with a synchronous rectifier to regulate the output voltage. The device uses a fixed-frequency switching architecture to deliver current to the output. The regulator operates in either Burst Mode® or fixed-frequency operation to reduce switching losses and improve efficiency. Burst Mode is enabled by an enable or disable circuit while fixed-frequency operation is enabled by a frequency adjust circuit.

The device uses a feedback loop to compare the voltage output to the setpoint voltage and adjust the output current to maintain the desired output voltage. The built-in error amplifier allows the correction of errors in the output voltage and enables the device to respond quickly to transient loads.

The MAX1730EUB+ also features over-current limit protection and over-temperature shutdown protection. It also has an auto recovery function which allows the regulator to automatically restart after a current limit or over-temperature event.

Conclusion

The MAX1730EUB+ is an efficient DC-DC switching regulator designed for use in a wide range of applications. It is a high-performance device which offers excellent output current regulation, low-noise, low-ripple, and low-power operation in a small package. It utilizes a synchronous rectifier and a non-inverting buck-converter topology and features several protection features such as over-current and over-temperature protection. This device is suitable for applications such as automotive, consumer, portable electronics, and embedded control.

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