LT3756IMSE#PBF

LED Driver IC Overview

The LT3756IMSE#PBF is a DC/DC controller designed for driving high-current LEDs. It operates with an input voltage range of 6V to 100V and supports output voltages up to 100V. The device functions as a constant current source, utilizing external switches and supporting multiple topologies including boost, buck, buck-boost, flyback, and SEPIC. It features a switching frequency range of 100kHz to 1MHz and offers both analog and PWM dimming capabilities. Packaged in a 16-lead MSOP with exposed pad, it is rated for junction temperatures from -40°C to 125°C.

LED Driver IC Feature Summary

• Supports multiple converter topologies including boost, buck, buck-boost, flyback, and SEPIC for flexible LED driver designs.
• Enables precise light control through integrated analog and pulse-width modulation (PWM) dimming interfaces.
• Includes open LED protection to safeguard the system against load disconnection or fault conditions.

LED Driver IC Applications

• Industrial high-power LED lighting systems
• Automotive headlamp drivers
• General-purpose LED illumination

LED Driver IC Procurement Notes

Verify the specific suffix designation when ordering, as variants such as LT3756IMSE-1#PBF and LT3756IMSE-2#PBF exist within the family. Confirm that the standard tube packaging aligns with assembly requirements. Ensure compatibility with the intended operating temperature range and topology before finalizing procurement specifications.

LED Driver IC Selection Notes

Select this component for applications requiring high input and output voltage flexibility up to 100V. It is suitable for designs needing external switch control rather than integrated power stages. Consider the available dimming methods and required switching frequency when evaluating its fit for specific thermal and efficiency constraints.

LED Driver IC Part Context

This part belongs to the LT3756 series of LED controllers manufactured by Analog Devices Inc. The series is characterized by its ability to drive high-current LEDs using external MOSFETs. The IMSE variant specifically denotes the industrial temperature grade and MSOP package configuration, distinguishing it from other commercial or automotive grades within the same functional family.

LED Driver IC Replacement Considerations

LT3756HMSE-2#PBF is documented as a parameter-equivalent substitute within the manufacturer's lineup.

LED Driver IC FAQ

Does the LT3756IMSE#PBF contain internal power switches?

No, the LT3756IMSE#PBF is a controller that requires external switches to be connected for operation.

What dimming methods are supported by this IC?

The device supports both analog and pulse-width modulation (PWM) dimming for controlling LED brightness.