LT3796IFE-1

LED Driver IC Overview

The LT3796IFE-1#PBF is a DC/DC controller designed for constant-current and constant-voltage regulation, suitable for high-power LED driving and battery charging. It supports input voltages from 3V to 100V and delivers up to 10A output current with a quiescent supply current of 2.5mA. The device operates within a frequency range of 100kHz to 1MHz and functions across an operating temperature range of -40°C to 125°C (TJ). It is housed in a 28-pin TSSOP package with exposed pad.

LED Driver IC Feature Summary

• Dual current sense amplifiers with reporting capability for precise monitoring
• Supports True Color PWM dimming with ratios up to 3000:1
• Integrated high-side PMOS disconnect and PWM switch driver
• Programmable open-LED protection with VMODE flag indication

LED Driver IC Applications

• High-power and high-voltage LED driving
• Lead-acid and lithium-ion battery charging
• Supercapacitor charging systems

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix #PBF indicates tube packaging. Check for recent Product Change Notifications regarding manufacturing updates. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

LED Driver IC Selection Notes

Select this controller when wide input voltage ranges up to 100V are required. Consider the dual current sense feature for applications needing detailed fault reporting. Evaluate the 28-TSSOP package constraints against thermal management requirements. Verify compatibility with desired topologies such as boost, buck, or SEPIC configurations.

LED Driver IC Part Context

This component belongs to the LT3796 series introduced by Linear Technology, now part of Analog Devices. It is engineered for versatile power management tasks involving LEDs and batteries. The device integrates advanced control features to simplify design implementation while maintaining high efficiency and reliability standards across various industrial and automotive environments.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinout and electrical specifications before replacing. Ensure any substitute part maintains compatibility with existing circuit topology and thermal limits.