Texas Instruments

LM3631YFFR

LM3631YFFR Description

The LM3631YFFR is a high-performance, dual-output DC-DC regulator designed and manufactured by Texas Instruments. This device is part of the External/Internal LED Drivers category and is currently active in the market. It is compliant with the ROHS3 standard, indicating its adherence to environmental regulations. The LM3631YFFR operates within a wide supply voltage range from 2.7V to 5V and can provide an output voltage of up to 29V. It is capable of delivering 25mA per channel and features PWM dimming, making it suitable for applications requiring precise control over LED brightness.

LM3631YFFR Features

• Dual-Output Capability: With two outputs, the LM3631YFFR can drive two separate LED strings or sections, providing flexibility in lighting design.
• Wide Supply Voltage Range: The ability to operate from 2.7V to 5V makes it suitable for a variety of power sources.
• High Output Voltage: Capable of delivering up to 29V, this device is ideal for high-voltage LED applications.
• PWM Dimming: PWM control allows for precise dimming of LEDs, which is crucial for applications requiring adjustable brightness levels.
• Internal Switches: The presence of internal switches simplifies the design and reduces the number of external components needed.
• Surface Mount Technology: The LM3631YFFR is designed for surface mount, which is space-efficient and.
• 500kHz to 1MHz Frequency: This frequency range allows for efficient power conversion with minimal noise.

LM3631YFFR Applications

The LM3631YFFR is particularly well-suited for backlight applications where high efficiency and precise control over LED brightness are required. It is ideal for use in:

• LCD and LED TV Backlights: The dual-output feature allows for the control of different backlight sections, enhancing the uniformity and brightness of the display.
• Portable Electronics: Due to its low supply voltage range, it is suitable for battery-powered devices where space and power efficiency are critical.
• Automotive Lighting: The high output voltage and PWM dimming capabilities make it suitable for automotive applications where dynamic lighting is needed.

Conclusion of LM3631YFFR

The LM3631YFFR from Texas Instruments stands out for its dual-output capability, wide supply voltage range, and high output voltage, making it a versatile choice for various LED driver applications. Its PWM dimming feature and internal switches offer design simplicity and performance benefits over similar models. With its focus on backlight applications and compliance with environmental standards, the LM3631YFFR is a reliable and efficient solution for high-voltage, precision LED control.