LTC3220EPF-1#TRPBF

LED Driver IC Overview

The LTC3220EPF-1#TRPBF is a highly integrated multi-display LED driver manufactured by Analog Devices Inc. It features a high-efficiency, low-noise charge pump capable of powering up to 18 universal LED current sources. The device operates within an input voltage range of 2.9 V to 5.5 V and delivers an output current of 25 mA per channel. It utilizes a UTQFN-28 package with SMD/SMT installation style. The switching frequency is fixed at 850 kHz, and the unit supports I2C control for configuration. It functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency, low-noise charge pump for power delivery
• Supports up to 18 independent universal LED current sources
• Enables precise regulation via I2C digital interface

LED Driver IC Applications

• Multi-display LED lighting systems
• Display backlight drivers
• Indicator light circuits

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the UTQFN-28 package matches your PCB footprint requirements. Ensure the I2C address configuration aligns with your system's bus architecture. Check datasheet specifications for thermal management needs given the operating temperature range. Validate supply chain integrity to avoid counterfeit components.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple regulated LED channels from a single low-voltage source. The integrated charge pump eliminates external inductors, simplifying layout. Consider the 850 kHz switching frequency for EMI constraints. Verify that the 25 mA output current meets the specific LED array requirements. Ensure the controller supports the necessary I2C communication protocol for dimming and control.

LED Driver IC Part Context

This part belongs to the LTC3220 series of multi-display LED drivers. It shares functional similarities with the LTC3220IPF-1#PBF but differs in packaging and reel format. The EPF suffix indicates the specific UTQFN-28 package variant. The #TRPBF designation confirms it is supplied in tape and reel format for automated assembly processes.

LED Driver IC FAQ

What is the maximum number of LED channels supported?

The device supports up to 18 universal LED current sources.

How is the LED current regulated?

Current regulation is managed through an I2C digital interface allowing for programmable control.