LTC3453EUF#TRPBF

LED Driver IC Overview

The LTC3453EUF#TRPBF is a synchronous buck-boost LED driver designed for high-power white LEDs, housed in a 16-pin QFN package. It operates with an input voltage range of 2.7V to 5.5V and delivers up to 125mA output current. The device features a typical supply current of 1000uA and supports four LED segments. Operating temperatures range from -40°C to 85°C, ensuring reliable performance in various environments.

LED Driver IC Feature Summary

• Synchronous buck-boost topology enables efficient operation across wide input voltage ranges without requiring external Schottky diodes.
• Integrated current regulation ensures stable LED brightness control suitable for camera flash and flashlight applications.

LED Driver IC Applications

• Camera flash LED drivers
• High-power white LED lighting
• Portable device backlighting

LED Driver IC Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the part number matches the exact Analog Devices specification sheet to ensure compatibility with existing circuit designs. Check for RoHS compliance status as required by regional regulations before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing circuits requiring efficient power management for high-current white LEDs from single-cell battery sources. Consider the 16-pin QFN footprint for space-constrained layouts. Evaluate thermal performance requirements given the exposed pad design for heat dissipation during continuous operation.

LED Driver IC Part Context

This part belongs to the LTC3453 series of LED drivers from Analog Devices. It complements other PMIC solutions by offering specialized regulation for high-brightness LEDs. The series targets mobile and portable electronics where power efficiency and compact size are critical design constraints.

LED Driver IC Replacement Considerations

Direct substitutes include the LTC3453EUF#PBF for tube packaging variants. Verify pinout compatibility and electrical specifications against alternative suppliers' offerings to ensure functional equivalence in existing designs.