The LT3845AIFETRPBF is a performance DCDC controller from Linear Technology (now Analog Devices) in a 16pin TSSOP package. This device is designed to control external switching power stages in compact, efficient switching regulators. The RPBF suffix indicates Tape and Reel Pb packaging for automated assembly. Quantity: 1 piece. Key benefits Enables efficiency voltage regulation in space constrained designs by driving an external power stage with a versatile controller. Provides flexible topology for buck, boost, or buckboost regulator configurations depending on the surrounding circuit components. Supports robust, reliable switching regulator designs with a compact 16pin TSSOP package suitable for dense PCBs. Ready for automated assembly with Pb Tape and Reel packaging. Key attributes Functionality: DCDC controller intended to regulate switching regulators via external components and power stages. Compatibility: Designed to work with standard external MOSFETs and passive components as part of typical LT design approaches. Size: TSSOP16 package, compact footprint for small or densely populated boards. Packaging: Tape and reel Pb (RPBF) for and assembly. Performance: Optimized for efficiency switching regulation with stable dynamic response across applicable operating ranges (as defined by the LT3845A family and datasheet). Use cases and applications Compact buck regulator for portable devices and batterypowered equipment to generate stable lowvoltage rails from higher input voltages. LED driver or constantcurrent regulator using an external power stage for efficient solidstate lighting applications. Automotive or industrial power management designs where space, efficiency, and reliability are critical, leveraging a performance controller with external FETs.