LTC3783IFE#PBF

LED Driver IC Overview

The LTC3783IFE#PBF is a current mode LED driver and DC-DC controller manufactured by Analog Devices Inc. It supports boost, flyback, and SEPIC topologies with an input voltage range of 9V to 26V and a maximum supply voltage of 36V. The device operates at switching frequencies between 20kHz and 1MHz. It features analog and PWM dimming capabilities and includes an N-channel load PWM switch drive. The component is housed in a 16-pin TSSOP package with an exposed pad and functions within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Supports multiple converter topologies including boost, flyback, and SEPIC configurations
• Enables precise light control through combined analog and low-frequency PWM dimming methods
• Integrates current mode control for stable LED regulation without internal power switches

LED Driver IC Applications

• LED lighting systems requiring buck-boost or SEPIC architectures
• Display backlight drivers for portable devices
• Indicator lighting circuits with variable brightness control

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates lead-free packaging compliant with RoHS standards. Confirm the 16-TSSOP-EP package dimensions match the design footprint requirements. Ensure the supplier provides valid traceability documentation for the Analog Devices Inc. manufacturing origin. Check for any recent Product Change Notifications regarding epoxy or bond wire changes that may affect assembly processes.

LED Driver IC Selection Notes

Select this component when designing LED drivers that require operation across varying input voltages using a single inductor topology. It is suitable for applications needing both analog precision and digital-compatible PWM dimming signals. Consider the 1MHz maximum frequency for balancing efficiency and passive component size. Verify that the external N-channel MOSFET selection aligns with the controller's drive capabilities and thermal requirements.

LED Driver IC Part Context

This part belongs to the LTC3783 family of high-performance LED drivers and DC-DC controllers. It shares functional similarities with other members like the LTC3783IDHD but differs in package type and pinout configuration. The IFE variant specifically utilizes a 16-pin TSSOP form factor, distinguishing it from DFN or SOIC options within the same product line while maintaining identical electrical performance characteristics.

LED Driver IC Replacement Considerations

LTC3783EDHD#PBF serves as a parameter-equivalent alternative available in different packaging.