LTC3646EMSE#TRPBF

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

LTC3646EMSE#TRPBF is a multifunction power management IC that features low dropout linear regulator (LDO) and synchronous buck controller with a wide input voltage range. The device offers a high level of flexibility and performance, making it the ideal choice for multiple applications. It is ideal for USB data acquisition, message center, router, printer and other power sensitive devices. This article is about the application field and working principle of this IC.

Application Field of LTC3646EMSE#TRPBF

The LTC3646EMSE#TRPBF is suitable for various types of applications that require both LDO and buck voltage regulation. These include powering embedded microprocessors, FPGAs, ASICs, power supplies, low power radio transceiver, router, and other power sensitive devices.

The IC provides a very high efficiency due to the superior integration, while the comprehensive feature set allows designers to easily customize the design to their specific requirements. It supports both linear and buck regulation and can be configured to operate as a single- or multi-phase system. In addition, integrated over-voltage protection and high frequency operation ensure system reliability and high efficiency.

The device is well suited for automotive, industrial, and medical applications where it offers a wide temperature operating range from -40°C to 125°C. This feature makes the LTC3646EMSE#TRPBF ideal for a wide range of high-temperature applications.

Working Principle of LTC3646EMSE#TRPBF

The LTC3646EMSE#TRPBF is a multifunction power management IC that includes low dropout linear regulator (LDO) and synchronous buck controllers. The IC works in a hysteresis (non-overlapping) mode, where it switches between the two operational modes depending on the load. When the load is low, the LDO will be activated, and when the load is high, the buck controller will be activated.

The IC can be configured to operate either in Current Mode or Voltage Mode. In current mode, the buck controller operates with a fixed switching frequency and adjusts the duty cycle in response to changes in load current. This yields a very fast load transient response and high efficiency. The voltage mode, on the other hand, provides a more constant output voltage and allows for more efficient operation at low currents. The voltage mode does, however, come with the penalty of a slower response to load changes.

The LDO of the device is the ideal choice for providing a low noise supply for embedded microprocessors, FPGAs, and ASICs. It provides a low-noise and low-dropout voltage source with up to 250mA of continuous output current.

Overall, the LTC3646EMSE#TRPBF is a very versatile power management IC that is suitable for a wide range of applications that require both LDO and buck voltage regulation. Its feature-rich design allows for easy customization and its high efficiency makes it the ideal choice for high-temperature and power sensitive applications.

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