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The LT1268CQ#TRPBF is a switching voltage regulator IC from Analog Devices, designed for buck, boost, and flyback topologies. It features an adjustable output voltage starting at 1.244V with a single output channel capable of delivering up to 7.5A switch current. The device operates within an input voltage range of 3V to 30V and supports a fixed switching frequency of 150kHz. It is housed in a TO-263-6 (D2PAK) package with thermal pad and functions reliably across a temperature range of 0°C to +125°C.
Verify the specific suffix TRPBF indicates tape-and-reel packaging when sourcing this component. Confirm that the C grade meets the required operating temperature specifications for your application environment. Ensure compatibility with the TO-263-6 footprint during PCB layout preparation. Cross-reference official datasheets for detailed thermal performance data and electrical characteristics before finalizing procurement decisions.
Select this component when designing circuits requiring flexible topology options such as buck, boost, or flyback conversions. Consider its 7.5A current rating for applications needing substantial power delivery. Evaluate the 150kHz switching frequency against electromagnetic interference requirements. Verify that the TO-263-6 package aligns with available board space and thermal dissipation strategies for optimal performance.
This part belongs to the LT1268 series of switching regulators manufactured by Analog Devices Inc. The series is known for versatile power management capabilities supporting various industrial and commercial applications. The CQ variant specifically denotes the commercial temperature grade and reel packaging configuration, distinguishing it from tube-packed alternatives within the same product family.
LT1268BCQ#PBF is a documented parameter-equivalent substitute within the same series.