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LTC3772EDDB#TRMPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 8DFN. Review the specifications below when checking this part for your BOM.
The LTC3772EDDB#TRMPBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with a fixed switching frequency of 550kHz and supports an input voltage range from 2.75V to 9.8V. The device features a maximum duty cycle of 100% and includes integrated current limit and enable control characteristics. Designed for surface-mount installation, it utilizes a TSOT-23-8 package and functions within a specified ambient temperature range of -40°C to 85°C.
Verify the specific suffix TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free compliance. Ensure the selected variant matches the required operating temperature range and package dimensions for your PCB layout. Cross-reference the manufacturer part number with authorized distributors to confirm availability status and authenticity before finalizing procurement orders.
Select this component when designing synchronous buck converters requiring a fixed 550kHz frequency and wide input voltage compatibility. Consider the TSOT-23-8 package constraints for space-limited applications. Evaluate thermal management requirements based on the specified -40°C to 85°C operating range. Confirm that the external component selection aligns with the controller's drive capabilities and protection thresholds.
This part belongs to the LTC3772 family of synchronous step-down controllers. It is functionally related to other variants such as the LTC3772ETS8#TRPBF and LTC3772BEDDB, which share similar core control logic but differ in package type or temperature rating. The EDDB designation specifically indicates the DFN package configuration available in tape-and-reel format.
LTC3772ETS8#TRPBF
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