LTC3417AEDHC-2#PBF

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PMIC (Power Management Integrated Circuit) is an important component in modern electrical systems, offering significant convenience and performance advantages. In particular, DC DC switching regulators play an important role in providing high efficiency and reliable power conversion. The LTC3417 series is a versatile, low noise, synchronous step-down DC DC converter module that is designed to tackle a wide range of difficult power conversion problems. In this article, we discuss the important features of the LTC3417AEDHC-2#PBF, its application fields, and how it works.

Features and Benefits

The LTC3417AEDHC-2#PBF features 3 power channels and is capable of converting a 4.5V to 38V input voltage range down to a 0.8V to 20V output voltage range. It is provided in an 8.12 mm x 11.67 mm, 24-pin TSSOP package and is capable of providing up to 3.3A of output current per channel. The LTC3417 series also offers the capability of tracking multiple output voltages and provides a wide range of protection features to ensure proper operation. In addition, this series features adjustable frequency, current mode control and integrated soft-start. The module also features low noise operation and supports pulse-skipping mode for optimum efficiency.

Applications

The LTC3417AEDHC-2#PBF module is ideal for multiple output application scenarios such as intermediate bus conversion, point of load (POL) regulating, powering FPGAs and ASICs, powering hard disc drives, powering DC/DC converters, and powering computing and telecom applications. In addition, this series is a great choice for portable devices, due to its small package size, low noise operation, high efficiency, and variety of protection features.

Working Principle

The LTC3417AEDHC-2#PBF series features synchronous step-down DC DC converter technology. It works by using two internal power switches (high side and low side transistors) to produce a DC voltage from the input AC source. The power switches are turned on and off at a regular rate, determined by the switching frequency. The two switches are always turning on and off in the same direction and in sync, making it a synchronous converter. A current-mode controller then monitors the voltage and current, ensuring that the output voltage is always consistent and within the specified voltage range.

The LTC3417AEDHC-2#PBF series also features advanced protection features, such as over-voltage protection and over-temperature protection, which allow the module to operate safely and reliably. In addition, the module includes an integrated soft-start function that limits inrush current and helps to reduce switching noise. This feature is especially important in portable devices.

Conclusion

The LTC3417AEDHC-2#PBF series is a versatile and efficient DC DC switching regulator module that is suitable for a wide range of applications. It is capable of transforming 4.5V to 38V input voltage ranges to an output voltage of 0.8V to 20V, and can provide up to 3.3A of output current per channel. This series features adjustable frequency, current mode control and integrated soft-start, as well as advanced protection features and low noise operation. When combined with its small package size, the LTC3417AEDHC-2#PBF series is an ideal choice for powering portable devices and other demanding power conversion applications.

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