LT3956EUHE#PBF

LED Driver IC Overview

The LT3956EUHE#PBF is a DC/DC converter designed for constant-current and constant-voltage regulation. It supports Boost, Buck, Buck-Boost, Flyback, and SEPIC topologies with an input voltage range of 4.5 V to 80 V. The device delivers up to 3.3 A output current and regulates voltages up to 80 V. Operating frequencies range from 100 kHz to 1 MHz. It functions within a temperature range of -40°C to +125°C TJ and utilizes a QFN-36 package.

LED Driver IC Feature Summary

• Supports multiple converter topologies including boost, buck, flyback, and SEPIC configurations.
• Provides integrated PWM dimming control capabilities.
• Includes open LED protection mechanisms.

LED Driver IC Applications

• LED lighting systems
• Display backlights
• Indicator circuits

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm the specific suffix matches the required thermal grade and RoHS compliance status. Review the latest datasheet revision for any updates to pinout or electrical characteristics before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when high input voltage tolerance up to 80 V is required alongside flexible topology options. Ensure the design accommodates the QFN-36 package thermal requirements. Verify that the application demands either constant-current or constant-voltage regulation modes supported by this specific IC family.

LED Driver IC Part Context

This part belongs to the LT3956 series of wide input voltage DC/DC converters. It is manufactured by Analog Devices Inc. and is distinct from other LT39xx series devices which may offer different current ratings or voltage limits. The EUHE suffix indicates a specific package and temperature grade variant within the product line.

LED Driver IC Replacement Considerations

LT3956IUHE#PBF is a documented equivalent within the same series offering similar functional specifications.