LT8376RV#PBF

LED Driver IC Overview

The LT8376RV#PBF is a monolithic synchronous step-down DC/DC converter designed for LED driving applications. It features fixed-frequency peak current control and supports PWM dimming for LED strings. The device operates with an input voltage range up to 60V and provides a switch current capability of 3.7A. It utilizes a 200kHz to 2MHz switching frequency range with optional spread spectrum modulation to reduce EMI radiation. The component is housed in a 28-lead plastic LQFN package (4x5mm) with a thermally enhanced exposed ground pad, suitable for surface mount installation.

LED Driver IC Feature Summary

• Monolithic synchronous step-down topology optimized for high-voltage LED string driving
• Integrated PWM dimming functionality for precise light control
• Optional spread spectrum frequency modulation to minimize electromagnetic interference
• Fixed-frequency peak current control mode for stable operation

LED Driver IC Applications

• High-voltage LED lighting systems
• Industrial LED string drivers
• Automotive exterior lighting applications
• General purpose high-voltage DC/DC conversion

LED Driver IC Procurement Notes

Verify the specific suffix and package variant against the official Analog Devices datasheet to ensure compatibility with your design requirements. Confirm that the 28-lead LQFN footprint matches your PCB layout constraints. Check for any recent product change notices regarding pinout or electrical characteristics before finalizing procurement. Ensure supply chain sources are authorized distributors to guarantee component authenticity.

LED Driver IC Selection Notes

Select this component when a high input voltage capability up to 60V is required for direct LED string drive without additional pre-regulation stages. Consider the 3.7A switch current rating for sizing external components appropriately. Evaluate the need for spread spectrum modulation if EMI compliance is critical in the target application environment. Ensure the operating temperature range meets the specific environmental conditions of the end-use system.

LED Driver IC Part Context

The LT8376 belongs to Analog Devices' family of synchronous buck converters tailored for LED applications. It integrates high-side and low-side power switches along with control circuitry into a single compact package. This integration reduces the external component count compared to discrete solutions, simplifying board layout and improving overall system reliability for space-constrained designs.

LED Driver IC Replacement Considerations

Consult the official Analog Devices replacement guide for verified cross-reference part numbers. Ensure any substitute maintains the 60V input rating and compatible LQFN-28 package dimensions. Verify that alternative devices support similar PWM dimming frequencies and current control architectures.