LTC3240EDC-3.3#TRMPBF

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LTC3240EDC-3.3#TRMPBF is an energy-efficient synchronous DC/DC and switch-mode controller featuring automatic burst-mode operation for extended battery life. It is a member of the PMIC (Power Management Integrated Circuits) family’s Voltage Regulators, specifically DC DC Switching Regulators category. This controller is designed to offer efficient and accurate power delivery solutions for low-input, high-output voltages with minimum external parts and support for low input supply voltages.

This controller operates from an input voltage range of 2.5V-5V and provides a programmable integer-feedback, constant-voltage/current regulation for high-efficiency, highly accurate, and absolutely stable operation over a wide input-voltage range. With the integrated current-limit detection loop, when the output current (IOUT) exceeds the set current-limit, the voltage will be clamped to a predetermined level. An external reference, Rtot, sets the full-scale value of the current limit.

The controller’s adaptive operating frequency and automatic burst-mode operation offer minimum input power dissipation, extending battery-life for portable applications. An automatic pulse-skipping feature toggled and monitored via a logic pin. This allows the controller to modulate the duty cycle in response to accelerating, decelerating and varying loads.

The device includes accurate on-chip power FET drivers and an internal voltage reference. It is available in an 8-pin MSOP package with an operational temperature range of -40°C to 125°C. It is suitable for buck/boost or single-ended applications, as well as voltage, current or charge-pump applications.

The LTC3240EDC-3.3#TRMPBF is ideal for point-of-load regulation, digitial DC/DC power supply, and mobile devices. With its synchronous rectification and high-output current capability, it delivers pristine DC regulation and efficient power delivery with minimal external parts count. It is popular for powering VoIP phones, wireless base station infrastructure, and portable consumer computing devices, such as smartphones and tablets, to name a few.

In conclusion, LTC3240EDC-3.3#TRMPBF is an efficient and reliable DC/DC controller from the PMIC family’s Voltage Regulators, specifically DC DC Switching Regulators category. It offers wide input voltage range, adaptive operating frequency, and automatic burst-mode operation, extending battery life and reducing input dissipation. With features like current limit detection loop, external reference, accurate on-chip power FET drivers and internal voltage reference, the LTC3240EDC-3.3#TRMPBF is a great choice for portable and consumer applications.

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