LTC3114HFE-1#TRPBF

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The LTC3114HFE-1#TRPBF is a synchronous step-down DC/DC converter (also called a buck converter) with an integrated low dropout (LDO) regulator, developed by Linear Technology Corporation. It is designed to provide high efficiency and wide input range while handling a high-current load up to 18 A. It features an adjustable 1000 µA minimum operating current, allowing for low-power sleep operations. This integrated converter/regulator is suitable for powering microcontrollers, DSPs, FPGAs, ASICs, and other precision electronic components in battery-powered and automotive applications.

The LTC3114HFE-1#TRPBF is operated by a single voltage input, allowing for a wide input voltage range from 3 V to 42 V. Its output voltage is adjustable from 0.6 V to 5.5 V with a guaranteed accuracy of +-0.7 V. The output voltage is preset by internal voltage divider resistors, but can be externally adjusted to increase output accuracy. In addition, the output voltage can be programmed using temperature-controlled OTP memory. It also has an adjustable switching frequency from 200 kHz to 2.2 MHz and adaptive on-time control which helps it to reach high efficiency of up to 95%, even in low output voltages and light loads.

The LTC3114HFE-1#TRPBF also includes an integrated LDO controller and driver with current limiter. The LDO supports output voltages from 0.6 V to 5.5 V with a 5 mA minimum current and a 48 mA maximum current. It is optimized to deliver high current during start-up and low current in light load or no-load conditions. As the load transient changes, the LDO compensates for the current step response to minimize output voltage noise and dropout. In addition, the LDO has comprehensive fault protection including current limiting and thermal shutdown.

The LTC3114HFE-1#TRPBF is an ideal choice for providing ultra-low power and high efficiency to microcontrollers, DSPs, FPGAs, ASICs, and other precision electronic components used in applications such as telecommunications, industrial automation, energy storage systems, and automotive applications. The device is also packaged in a thermally enhanced 4-lead TSSOP-8 package and is RoHS/REACH compliant.

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