LT3496HUFD#PBF

LED Driver IC Overview

The LT3496HUFD#PBF is a three-channel LED lighting driver IC manufactured by Analog Devices Inc. It operates within an input voltage range of 3 V to 30 V and delivers up to 700 mA output current per channel. The device features a programmable switching frequency from 330 kHz to 2.1 MHz and supports PWM dimming. Packaged in a QFN-28 surface-mount format, it functions across a temperature range of -40°C to +150°C with a maximum supply current of 14 mA.

LED Driver IC Feature Summary

• Integrates three independent high-side LED drivers for multi-zone illumination control
• Supports precise brightness adjustment through external PWM dimming signals
• Includes open LED protection circuitry to detect and manage fault conditions

LED Driver IC Applications

• Automotive exterior lighting systems
• Industrial LED panel illumination
• High-brightness general lighting fixtures

LED Driver IC Procurement Notes

Verify component authenticity through authorized distribution channels due to limited availability status. Confirm RoHS compliance documentation matches the specific manufacturing lot. Ensure storage conditions adhere to moisture sensitivity level requirements prior to assembly. Validate that the QFN-28 footprint aligns with the target PCB design specifications before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing circuits requiring three independent LED channels driven from a single wide-voltage source. The wide operating input range accommodates various power supplies without additional regulation stages. Consider the thermal performance of the QFN-28 package for high-current applications. Verify that the required switching frequency falls within the 330 kHz to 2.1 MHz adjustable range for optimal inductor sizing.

LED Driver IC Part Context

This part belongs to the LT3496 series of LED drivers designed for robust illumination applications. It complements other Analog Devices power management solutions by providing dedicated multi-channel control. The device integrates protection features typical of the family while maintaining a compact form factor suitable for space-constrained designs.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential cross-references or updated product line replacements.