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LTC1772BIS6#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 MULT TOP TSOT23-6. Review the specifications below when checking this part for your BOM.
The LTC1772BIS6#TRMPBF is a constant frequency current mode DC/DC controller manufactured by Analog Devices Inc. It supports Buck, Boost, and Flyback topologies with a single positive output. The device operates within an input voltage range of 2.5V to 9.8V and features a fixed switching frequency of 550kHz. It utilizes a TSOT-23-6 package and functions across a temperature range of -40°C to +85°C.
Verify the specific suffix 'I' indicates industrial temperature grade (-40°C to +85°C) compared to commercial variants. Confirm the '#TRMPBF' designation corresponds to tape and reel packaging with lead-free composition. Cross-reference the manufacturer datasheet for the exact pinout and electrical characteristics to ensure compatibility with the target circuit design.
Select this component when a versatile controller supporting buck, boost, and flyback modes is required in a compact TSOT-23-6 package. It is suitable for applications needing a fixed 550kHz switching frequency and operation from low input voltages down to 2.5V. Ensure the design accommodates the external P-channel MOSFET driver requirement inherent to this controller architecture.
This part belongs to the LTC1772 family of DC/DC controllers. It shares core functionality with variants like the LTC1772BES6#TRMPBF but differs in temperature rating and packaging configuration. The series is designed for high-efficiency power conversion in space-constrained portable devices.
Public confirmed substitute part numbers are not available in the provided documentation.
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