LT3596IUHG#TRPBF

LED Driver IC Overview

The LT3596IUHG#TRPBF is a high-voltage, three-channel LED driver IC manufactured by Analog Devices Inc. It utilizes a buck topology to regulate current for up to ten LEDs per channel with a maximum output current of 100mA per channel and 300mA total. The device supports a wide input voltage range and operates at a switching frequency between 200kHz and 1MHz. It features digital PWM dimming capability with a ratio of 10,000:1 at 100Hz. The component is housed in a 52-lead QFN package measuring 5x8 mm and is rated for an operating temperature range from -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates three independent buck regulators capable of driving multiple LEDs per channel without requiring a microcontroller.
• Supports high-resolution digital PWM dimming with a 10,000:1 ratio at 100Hz for precise brightness control.
• Features configurable output currents ranging from 20mA to 150mA per channel using external resistors.

LED Driver IC Applications

• LED display backlights
• General signage illumination
• Indicator lighting systems

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm that the 52-QFN (5x8) package dimensions align with your PCB footprint requirements. Ensure the design accommodates the thermal dissipation characteristics associated with the QFN package type under maximum load conditions.

LED Driver IC Selection Notes

Select this component for applications requiring high-voltage step-down regulation for multiple LED strings. It is suitable for designs needing precise PWM dimming without complex digital interfaces. Consider the 52-lead QFN package size and thermal performance when evaluating board space constraints.

LED Driver IC Part Context

This part belongs to the LT3596 series of LED drivers from Analog Devices. It is designed as a standalone solution for multi-channel LED control, eliminating the need for external microcontrollers for basic operation. The series focuses on providing efficient power management for lighting applications through integrated buck converters.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative components.