LT3498EDDB#TRMPBF

LED Driver IC Overview

The LT3498EDDB#TRMPBF is a regulated LED driver and OLED driver from Analog Devices Inc., housed in a 12-pin DFN package. It operates with an input voltage range of 2.5 V to 12 V and supports output voltages up to 32 V. The device delivers a constant 20 mA output current per channel with a switching frequency of 2.3 MHz. It features low quiescent current of 8 µA and supports both analog and PWM dimming methods. The component functions within a junction temperature range of -40°C to 85°C.

LED Driver IC Feature Summary

• Integrates internal Schottky diode for simplified circuit design
• Supports both analog and pulse-width modulation (PWM) dimming control
• Provides regulated constant current output suitable for LED and OLED applications

LED Driver IC Applications

• Display backlight systems
• OLED driver circuits
• General LED lighting regulation

LED Driver IC Procurement Notes

Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free status. Ensure the ordering part number matches the exact electrical specifications required for your design, as minor suffix variations may indicate different packaging or environmental compliance levels.

LED Driver IC Selection Notes

Select this component when a compact solution for driving LEDs or OLEDs with precise current regulation is required. The integrated Schottky diode reduces external component count. Consider the 2.3 MHz switching frequency for balancing efficiency and EMI performance in space-constrained designs requiring 20 mA constant current.

LED Driver IC Part Context

This part belongs to the LT3498 family of LED drivers manufactured by Analog Devices Inc. It is designed for portable electronics where size and power efficiency are critical. The DFN package facilitates surface-mount assembly, making it suitable for modern consumer devices and industrial displays requiring reliable light source control.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully before replacing.