LT3922EUFD#PBF

LED Driver IC Overview

The LT3922EUFD#PBF is a synchronous boost LED driver IC from Analog Devices, designed for high-performance lighting applications. It features a wide input voltage range of 2.8 V to 36 V and supports an output current of up to 2 A. The device operates at a programmable switching frequency between 200 kHz and 2 MHz, allowing optimization for efficiency and component size. It includes integrated open LED protection and supports PWM dimming for precise brightness control. Packaged in a QFN-28 footprint, it offers robust thermal performance and compact integration for space-constrained designs.

LED Driver IC Feature Summary

• Synchronous boost topology for high-efficiency LED driving
• Integrated open LED protection circuitry
• Supports analog and PWM dimming methods

LED Driver IC Applications

• General LED lighting systems
• Display backlight drivers
• Indicator lighting circuits

LED Driver IC Procurement Notes

Verify the specific suffix (#PBF) indicates lead-free packaging compliant with RoHS standards. Confirm the package type matches the required QFN-28 footprint for PCB layout compatibility. Ensure the operating temperature range meets the environmental requirements of the target application. Cross-reference the manufacturer part number with official distributor catalogs to confirm current availability status.

LED Driver IC Selection Notes

Select this component when a single-channel synchronous boost driver is required for LED strings. Consider the 2.8 V to 36 V input range for compatibility with various power sources. Evaluate the 200 kHz to 2 MHz frequency range against electromagnetic interference constraints. Verify that the 2 A output current capability aligns with the total forward voltage and current demands of the LED array.

LED Driver IC Part Context

This part belongs to the LT3922 series of LED lighting drivers. It is distinct from development tools like the LT3922EUFD-1#WPBF, which are evaluation kits rather than production components. The #PBF suffix specifically denotes the commercial-grade, lead-free version of the integrated circuit intended for mass manufacturing.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices resources for direct replacements or pin-compatible alternatives.