LT3796HFE-1

LED Driver IC Overview

The LT3796HFE-1 is a high-voltage LED controller designed for constant-current and constant-voltage applications. It operates with an input supply voltage range from 6V to 100V and supports switching frequencies between 100kHz and 1MHz. The device features analog and PWM dimming capabilities, making it suitable for precise light control. It includes two current sense inputs for enhanced monitoring and protection. The component is housed in a 28-pin TSSOP package and is rated for an operating temperature range of -40°C to 150°C.

LED Driver IC Feature Summary

• Supports both constant-current and constant-voltage regulation modes for versatile LED driving.
• Integrates dual current sense inputs for accurate monitoring and system protection.
• Enables flexible brightness control through combined analog and pulse-width modulation dimming interfaces.

LED Driver IC Applications

• High-power LED lighting systems requiring wide input voltage ranges
• Automotive exterior and interior LED illumination modules
• Industrial LED driver circuits with strict thermal requirements

LED Driver IC Procurement Notes

Verify the specific suffix (PBF or TRPBF) against your assembly requirements, as packaging differs. Confirm availability status directly with authorized distributors, as this component may be subject to limited supply or factory special orders. Ensure the selected variant matches your PCB footprint and thermal management strategy before finalizing procurement.

LED Driver IC Selection Notes

Select this controller when designing systems that require operation up to 100V input voltage. Consider the 28TSSOP package constraints for thermal dissipation and board space. Evaluate the need for dual current sensing if complex protection schemes are required. Ensure compatibility with the desired dimming method, whether analog or PWM, for the target application interface.

LED Driver IC Part Context

This part belongs to the LT3796 series of high-voltage LED controllers manufactured by Analog Devices Inc. It is functionally related to other evaluation boards like the DC1706A, which demonstrates its capabilities. The series is categorized under power management ICs specifically tailored for battery management and LED driver applications.

LED Driver IC Replacement Considerations

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