LT1942EUF#PBF

Special Purpose Regulators Overview

The LT1942EUF#PBF is a quad DC/DC converter designed for triple output TFT supply plus LED driver applications. It integrates four high-efficiency synchronous buck converters within a single package. The device supports input voltages from 3V to 60V and delivers up to 2A of output current per channel. Operating frequencies are adjustable between 300kHz and 2MHz, allowing optimization for size and efficiency. It features PWM dimming control and open LED protection mechanisms.

Special Purpose Regulators Feature Summary

• Integrates four independent synchronous buck converters in a single QFN-28 package
• Supports wide input voltage range from 3V to 60V for flexible power design
• Includes dedicated LED driver functionality with PWM dimming capability
• Provides open LED protection to ensure system reliability during fault conditions

Special Purpose Regulators Applications

• Triple output TFT LCD panel power supplies
• White LED backlight drivers for large LCD panels
• Multi-rail power distribution systems requiring compact footprint
• Industrial display modules with integrated lighting

Special Purpose Regulators Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm package type and temperature grade. Confirm RoHS compliance status through the manufacturer's certified datasheet. Check for obsolescence notices or lifecycle changes directly from Analog Devices before procurement planning. Ensure ESD handling procedures are followed during storage and assembly.

Special Purpose Regulators Selection Notes

Select this component when designing power systems for TFT displays requiring multiple regulated rails and integrated LED driving. Consider the QFN-28 package for space-constrained PCB layouts. Evaluate thermal performance based on total power dissipation across all four channels. Verify that the required output currents and voltage ranges align with the device specifications.

Special Purpose Regulators Part Context

The LT1942 belongs to Analog Devices' family of multi-channel DC/DC converters optimized for display applications. It replaces discrete solutions by integrating multiple regulators into one IC. This integration reduces board space and simplifies design complexity for complex power architectures in consumer electronics and industrial displays.

Special Purpose Regulators Replacement Considerations

LT1942EUF#TRPBF (Tape and Reel version)

Special Purpose Regulators FAQ

What is the maximum input voltage supported by the LT1942EUF#PBF?

The device supports a maximum input voltage of 60V.

How many independent output channels does the LT1942 provide?

The LT1942 integrates four independent synchronous buck converter channels.

Does the LT1942 support LED dimming control?

Yes, it includes PWM dimming capability for LED driver applications.