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LTC1772HS6#TRPBF 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 MULT TOP SOT23-6. Review the specifications below when checking this part for your BOM.
The LTC1772HS6#TRPBF is a constant frequency current mode buck DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.5V to 9.8V and supports output voltages from 800mV to 9.8V with a maximum output current capability of 5A. The device features a fixed switching frequency of 550kHz and draws a typical quiescent current of 270µA. It is housed in a TSOT-23-6 package and functions reliably across an operating temperature range of -40°C to +85°C.
Verify the specific suffix HS6 against official datasheets to confirm temperature grade and package variations. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices or lifecycle changes directly from Analog Devices before finalizing procurement plans.
Select this component when a compact, non-synchronous buck solution driving external P-channel MOSFETs is required. Ensure the application benefits from the simplicity of current mode control and the specified 550kHz frequency. Verify that the external MOSFET selection aligns with the 5A current requirement and thermal constraints.
This part belongs to the LTC1772 family of switching regulators. It shares architectural similarities with other controllers in the series but is distinguished by its specific package configuration and operational parameters. The device represents a standard solution for low-cost, space-constrained power designs.
Public confirmed substitute part numbers are not available in the provided source material.
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