LTM4619IV#PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC-DC converters are a type of electronic device that converts direct current (DC) from one voltage level to another. The LTM4619IV#PBF is one such DC-DC converter that is designed for use in automotive, industrial, and communications applications. This article will discuss the application field and working principles of the LTM4619IV#PBF.

LTM4619IV#PBF Application field

The LTM4619IV#PBF is a higher power DC-DC converter that can drive up to 20A of output current at up to 28V from an input voltage of 9V to 36V. The wide input voltage range makes the converter suitable for automotive, industrial, and communications applications. Specifically, it can be used to generate intermediate bus voltages for use in motor drives, power supplies, DC-DC converters, and high voltage rail applications. It is designed to meet the automotive industry’s stringent requirements for reliable operation in virtually any environment.

The LTM4619IV#PBF is optimized for automotive applications and can withstand a range of temperatures from -40°C to +125°C. Additionally, the device is protected from hazards such as excess current and overvoltage, enabling it to perform reliably in various operating conditions. The device is also designed to minimize EMI/EMC emissions, ensuring compliance with automotive EMC standards.

Working Principle of the LTM4619IV#PBF

The LTM4619IV#PBF is a synchronous step-down DC-DC converter. It uses an advanced current mode control topology to ensure stable operation over a wide range of conditions. The converter is designed with an “Nth order fixed frequency control” which ensures a constant switching frequency over a wide range of operating conditions, from light loads to heavy loads. The LTM4619IV#PBF can be used with an external resistor or an internal resistor to vary the switching frequency.

The LTM4619IV#PBF features a current-mode feedback loop which is used to ensure a stable transfer of power from the input to the output, even if the input voltage or output load varies. The converter can be used with an external compensation pin to adjust the response of the current-mode feedback loop, allowing it to adapt to different applications and operating conditions. Additionally, the converter is equipped with an enable pin, which can be used to put the device into a low-power / shutdown mode.

The LTM4619IV#PBF can be used to generate a wide range of output voltages, from 0.9V to the input voltage. The output voltage can be easily adjusted, depending on the application, by manipulating the feedback signal. Additionally, the converter features an external resistor divider, which allows the designer to fine-tune the output voltage with a high degree of precision.

The LTM4619IV#PBF can operate with a wide range of input and output capacitors, enabling it to achieve high frequency operation and power factor correction (PFC) with minimal external components. It can also be used with input and output filter capacitors, allowing the converter to be used in applications with high output ripple requirements.

Conclusion

The LTM4619IV#PBF is a high power DC-DC converter designed for use in automotive, industrial, and communications applications. It uses an advanced current mode control topology with an Nth order fixed frequency control to ensure a stable transfer of power over a wide range of conditions. The converter is also optimized for automotive applications and can withstand a wide range of temperatures. Furthermore, it is equipped with numerous features, such as an enable pin, which can be used to put the device into a low-power / shutdown mode, and external compensation and resistor divider pins that enable fine tuning of the output voltage. All of these features make the LTM4619IV#PBF a highly versatile DC-DC converter suitable for a wide variety of applications.

The specific data is subject to PDF, and the above content is for reference