LT1937ESC6#TRPBF

LED Driver IC Overview

The LT1937ESC6#TRPBF is a high-efficiency boost DC/DC converter IC designed for LED driver applications. It operates with an input voltage range of 2.5V to 10V and delivers up to 320mA of switch current. The device integrates a 1.2MHz fixed-frequency PWM controller, enabling the use of small external components. It supports both analog and PWM dimming methods for brightness control. The output voltage can reach up to 36V, making it suitable for driving multiple LEDs in series. Packaged in a compact SC-70-6 (SOT-363) surface-mount package, it ensures minimal board space consumption.

LED Driver IC Feature Summary

• Integrates a 1.2MHz fixed-frequency PWM controller for efficient power conversion
• Supports dual dimming modes including analog current control and PWM signal input
• Features internal power switch rated for 320mA continuous operation
• Provides flexible output voltage capability up to 36V for series LED configurations

LED Driver IC Applications

• LED backlighting for portable electronic devices
• General-purpose LED illumination systems
• Battery-powered lighting modules

LED Driver IC Procurement Notes

Verify the specific suffix ESC6 corresponds to the commercial temperature grade and SC-70-6 package variant required for your design. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the ordering part number matches the exact pinout and thermal characteristics specified in the datasheet to avoid compatibility issues during assembly.

LED Driver IC Selection Notes

Select this component when a compact boost topology is needed for low-power LED strings. It is appropriate for designs requiring precise current regulation without external sense resistors. Consider the 1.2MHz switching frequency for balancing efficiency against EMI filtering requirements. Evaluate the input voltage range against the available battery or supply rail to ensure stable operation across all load conditions.

LED Driver IC Part Context

This part belongs to the LT1937 family of LED drivers from Analog Devices. The family focuses on providing integrated solutions for boosting voltage to drive LEDs efficiently. The ESC6 suffix indicates a specific package and temperature rating within this product line, distinguishing it from other variants like ES5 packages.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.