LTC3220EPF-1#PBF

LED Driver IC Overview

The LTC3220EPF-1#PBF is a highly integrated multi-display LED driver IC from Analog Devices. It features an 18-channel universal current source with 20mA output per channel, driven by a low-noise charge pump topology. The device supports I2C control for independent dimming and grayscale management. It operates on a supply voltage range of 2.9V to 5.5V with a maximum operating temperature of +125°C. The component is housed in a 28-pin UTQFN package.

LED Driver IC Feature Summary

• Integrates 18 independent universal current sources for high-density LED arrays
• Utilizes a low-noise multi-mode charge pump for efficient power delivery
• Provides granular brightness control via two-wire I2C interface

LED Driver IC Applications

• Multi-zone LED lighting systems
• Display backlight drivers
• Universal LED driver circuits requiring precise current regulation

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging. Confirm the EPF designation corresponds to the extended temperature range and UTQFN-28 package. Cross-reference the manufacturer datasheet to ensure the part meets all electrical specifications for your design requirements before procurement.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple independently controlled LED channels from a single IC. It is suitable for applications needing wide input voltage compatibility and high efficiency. Ensure the thermal management solution supports the +125°C junction temperature capability inherent to the EPF grade.

LED Driver IC Part Context

This part belongs to the LTC3220 family of multi-display LED drivers. The EPF variant specifically denotes the plastic package version with extended industrial temperature ratings. It is designed to replace discrete driver solutions, reducing board space and component count in complex lighting architectures.

LED Driver IC Replacement Considerations

Check for direct pin-compatible alternatives within the same product family that may offer different thermal or electrical characteristics. Verify if updated revisions of the LTC3220 series are available from the manufacturer.