LT3952AHFE#PBF

LED Driver IC Overview

The LT3952AHFE#PBF is a current mode step-up DC/DC converter featuring an internal 60V, 80mΩ DMOS power switch. It operates with a supply voltage range of 3V to 42V and delivers up to 4A switch current. The device supports switching frequencies between 215kHz and 3MHz. It utilizes True Color PWM technology for dimming control. The component is housed in a 28-TSSOP package with an exposed pad and functions within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Integrates a high-voltage 60V DMOS power switch with low on-resistance for efficient boost conversion
• Supports analog and PWM dimming methods via True Color PWM technology
• Features adjustable switching frequency ranging from 215kHz to 3MHz

LED Driver IC Applications

• Automotive lighting systems
• High-power LED backlighting
• General LED driver circuits

LED Driver IC Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm package type and reel configuration. Ensure compatibility with automotive-grade environmental standards if required for the target application. Cross-reference the exact part number with manufacturer datasheets to validate electrical parameters and thermal characteristics before integration.

LED Driver IC Selection Notes

Select this component for applications requiring high input voltage tolerance and robust current handling capabilities. The integrated 60V switch allows for flexible LED string configurations. Consider the thermal performance of the exposed pad package for heat dissipation requirements. Evaluate the operating temperature range to ensure reliability under extreme ambient conditions.

LED Driver IC Part Context

This part belongs to the LT3952 family of LED drivers designed for high-power applications. It improves upon previous generations by offering enhanced efficiency and precise current regulation. The series is optimized for automotive and industrial lighting where reliability and wide input voltage ranges are critical.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic equivalents may not match the specific True Color PWM functionality or internal switch specifications.