LT3952IFE#PBF

LED Driver IC Overview

The LT3952IFE#PBF is a high-efficiency boost LED driver IC from Analog Devices, designed for driving high-current LEDs in automotive and industrial applications. It operates with an input voltage range of 4V to 60V and delivers up to 4A of switch current. The device supports switching frequencies between 215kHz and 3MHz, enabling the use of small external components. It features analog and PWM dimming capabilities for precise brightness control. Packaged in a 28-lead TSSOP with an exposed pad, it ensures reliable thermal performance across an operating temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrated 60V, 4A power switch for efficient boost topology operation
• Wide input voltage range supporting direct battery connection in automotive systems
• Supports both analog and pulse-width modulation (PWM) dimming methods
• Programmable switching frequency allows optimization for size and efficiency

LED Driver IC Applications

• Automotive exterior lighting systems
• LED headlamp modules
• Industrial LED illumination
• High-power LED backlighting

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status via official datasheets. Check for recent product change notifications regarding package or material updates. Ensure storage conditions meet moisture sensitivity level requirements before assembly. Validate pinout compatibility with existing PCB footprints during integration planning.

LED Driver IC Selection Notes

Select this component when designing boost converters requiring high input voltages up to 60V. Consider its 4A current capability for driving multiple parallel LED strings. Evaluate thermal management needs due to the exposed pad design. Compare switching frequency options against electromagnetic interference constraints. Verify dimming interface compatibility with system control logic.

LED Driver IC Part Context

This part belongs to the LT3952 family of LED drivers, optimized for high-brightness applications. It shares architectural similarities with other Analog Devices power management ICs but is specifically tuned for LED current regulation. The IFE suffix indicates a specific temperature grade and packaging variant within the broader product line.

LED Driver IC Replacement Considerations

Direct substitutes may include other Analog Devices boost LED drivers with similar voltage and current ratings. Cross-reference specifications such as switching frequency range and dimming methods before substitution. Verify pin-to-pin compatibility if replacing on existing boards. Consult official replacement guides for any discontinued variants.