LT3958EUHE#TRPBF

The LT3958EUHE#TRPBF is a high-performance LED driver IC manufactured by Linear Technology, now part of Analog Devices. This device is designed for driving high-brightness LEDs in various applications, including automotive lighting, architectural lighting, and general illumination.

Key Features:

1. Input Voltage Range: The LT3958 operates over a wide input voltage range, typically from 4.5V to 60V, making it suitable for a variety of power supply configurations.

2. Constant Current Control: The IC provides precise constant current control for driving LEDs, ensuring uniform brightness and extending the lifespan of the LEDs.

3. High Efficiency: The LT3958 is designed for high efficiency, often exceeding 90%, which helps to minimize heat generation and improve overall system performance.

4. Integrated Switching Regulator: It features an integrated boost converter, allowing it to step up the input voltage to the required level for driving the LEDs, even when the input voltage is lower than the forward voltage of the LED string.

5. PWM Dimming: The device supports PWM dimming, enabling smooth brightness control and allowing for dynamic lighting effects. The dimming frequency can be adjusted to suit various applications.

6. Thermal Protection: The LT3958 includes thermal shutdown features to protect the device and the connected LEDs from overheating, ensuring reliable operation under varying conditions.

7. Compact Package: The IC is available in a compact 16-lead HTSSOP package, which is suitable for space-constrained designs.

8. Programmable Current Setting: The output current can be easily set using an external resistor, providing flexibility in design and allowing for customization based on specific LED requirements.

9. Fault Protection: The LT3958 includes features such as open LED protection and short-circuit protection, enhancing the reliability of the LED driver circuit.

Applications:

• Automotive LED lighting (interior and exterior)
• Architectural and decorative lighting
• General-purpose LED illumination
• Backlighting for displays

Conclusion:

The LT3958EUHE#TRPBF is a versatile and efficient LED driver IC that combines high performance with a range of features designed to enhance the functionality and reliability of LED lighting systems. Its ability to handle a wide input voltage range, coupled with precise current control and dimming capabilities, makes it an excellent choice for both consumer and industrial applications.