LTC3114HDHC-1#TRPBF

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The LTC3114HDHC-1#TRPBF is a synchronous boost converter from Linear Technology’s family of DC DC switching regulators. It is a high efficiency current mode step-up converter that can provide up to 1A of output current from a source as low as 0.8V. It is AEC-Q100 qualified for automotive applications.

Features

The LTC3114HDHC-1#TRPBF has a few key features. It has an adjustable switching frequency up to 2MHz, allowing for small, low-profile inductors, capacitors, and power transistors. It also has differential current sensing, allowing for accurate control of output current. It also has a 6-bit programmable current limit and a Peak Current Mode control loop, and the MODE pin is adjustable to provide fast transient response. The shutdown current is 10uA max, making it suitable for portable applications.

Application Field

The LTC3114HDHC-1#TRPBF is suitable for a wide range of applications, including handheld and stationary devices, automotive, industrial and scientific equipment, battery operated devices and more. Because of its high efficiency and wide input voltage range, it can be used in some of the most demanding applications. It can be used in a variety of power management applications, such as powering microprocessors, FPGAs, SRAMs, RF transceivers and more.

Working Principle

The LTC3114HDHC-1#TRPBF operates using a synchronous boost converter. In this type of converter, an inductor stores energy during the switch on time, and releases it during the switch off time. The output voltage is determined by the Duty Cycle, which is controlled by the Output Voltage Sense (VOS) pin. The output current is sensed by the differential current sense inputs, and the MODE pin adjusts the response time of the converter. The converter runs in Peak Current Mode, meaning that when the output current reaches the predetermined set point, the Duty Cycle is stopped. When the current drops back to the set point, the Duty Cycle is resumed.

Conclusion

The LTC3114HDHC-1#TRPBF from Linear Technology is a high efficiency synchronous boost DC DC switching regulator. It has a wide input voltage range, adjustable switching frequency, and differential current sensing for accurate current control. Its peak current mode operation makes it suitable for a variety of power management applications. It is AEC-Q100 qualified for automotive applications, and is suitable for handheld and stationary devices, automotive, industrial and scientific equipment, battery operated devices and more.

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