LTC3217EUD#TRPBF

LED Driver IC Overview

The LTC3217EUD#TRPBF is a multi-output LED driver IC from Analog Devices, designed for camera lighting applications. It integrates a charge pump to drive multiple LED strings with a regulated output current of 600mA. The device operates within a supply voltage range of 2.7V to 5.5V and features a QFN-16 package. Key electrical parameters include an input voltage range of 2.7V to 5.5V, a maximum output current of 600mA per channel, and operation temperatures from -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a charge pump architecture to enable efficient driving of multiple LED strings from low-voltage sources.
• Provides precise current regulation for consistent brightness across multiple channels in camera modules.
• Supports dimming control capabilities for adaptive lighting adjustments.

LED Driver IC Applications

• Multi-LED camera flash systems
• Mobile device illumination circuits
• Compact camera module lighting drivers

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required tape-and-reel packaging configuration. Ensure the procurement source provides valid traceability documentation to mitigate counterfeit risks associated with limited availability components.

LED Driver IC Selection Notes

Select this component when designing compact camera lighting solutions requiring high efficiency from single-cell battery sources. Evaluate thermal performance within the QFN-16 footprint against system power density requirements. Compare against alternative drivers based on the specific number of LED strings and required current matching accuracy.

LED Driver IC Part Context

This part belongs to the LTC3217 series of LED drivers specialized for portable electronics. It complements other power management solutions by addressing the specific need for multi-channel current regulation in space-constrained mobile devices. The series focuses on integrating charge pump functionality to simplify board layout.

LED Driver IC FAQ

What is the primary function of the integrated charge pump?

The integrated charge pump allows the driver to regulate LED current efficiently even when the input supply voltage is lower than the total forward voltage of the LED string.

Does the LTC3217 support external dimming control?

Yes, the device supports dimming control to adjust LED brightness levels according to system requirements.