LT3491EDC#TRPBF

Introduction

The LT3491EDC#TRPBF is a high voltage, single-channel LED driver with constant current regulation. Combining the advantages of low parts count, small size, and low noise, it makes an ideal power source for a wide range of LED lighting applications. The LT3491EDC#TRPBF is part of Linear Technology\'s line of power management integrated circuits (PMICs). PMICs are integrated circuits (ICs) that combine several components and circuits which manage the power and system components such as LED drivers, power converters, power supplies, and voltage regulators.

Functional Description

The LT3491EDC#TRPBF is a PMIC-LED driver with a current limiting topology which provides a constant current output. The device has minimal external components, which makes it suitable for driven high brightness light emitting diodes (LEDs). Its single-channel configuration allows for a maximum current of 2A. Additionally, the output voltage range of 36V is excellent for a vast range of power sources from 1.2V-36V.

The LT3491EDC#TRPBF also offers a high-voltage rating of up to 36V for higher power applications. The device includes several features including temperature, output current, and short circuit protection. Additionally, the IC includes a high-efficiency PWM dimming that allows for adjustment of the intensity of the LEDs with minimal losses.

Application Field and Working Principle

The LT3491EDC#TRPBF is ideal for use in a wide range of applications, including sign and light box lighting, architectural lighting, portable medical and consumer lighting, automotive interior lighting, and display backlighting. The device is especially useful for applications that require high power and efficiency, such as automotive interior lighting.

The LT3491EDC#TRPBF works by using a current-limiting topology that provides a constant current output. The device has a high voltage rating of up to 36V, which makes it suitable for a wide range of power sources. Additionally, the device is designed to be very efficient, ensuring minimal losses during power conversion and LED dimming.

The LT3491EDC#TRPBF includes several features to protect against faults and enhance performance, such as temperature, output current, and short circuit protection. Additionally, the device includes a high-efficiency PWM dimming, which allows the LED intensity to be adjusted with minimal losses.

Conclusion

The LT3491EDC#TRPBF is a high-performance PMIC-LED driver with a current limiting topology that provides a constant current output. The device is ideal for a wide range of power sources, from 1.2V - 36V, and its single-channel configuration allows for a maximum current of 2A. It also offers a high voltage rating of up to 36V and a high-efficiency PWM dimming for LED intensity adjustability. Additionally, the device includes several features such as temperature, output current, and short circuit protection for added safety. The LT3491EDC#TRPBF is a perfect solution for a wide range of LED lighting applications, from sign and light box lighting to automotive interior lighting.