Texas Instruments

LM3405XMK/NOPB  

External/Internal LED Drivers

LM3405XMK/NOPB Description

The LM3405XMK/NOPB is a high-performance, single-channel DC-DC regulator designed and manufactured by Texas Instruments. This device is specifically engineered for LED lighting applications, providing a reliable and efficient solution for driving LEDs. With a compact TSOT23-6 package, the LM3405XMK/NOPB offers a surface-mount option for space-constrained designs. It is currently an active product, ensuring ongoing support and availability.

LM3405XMK/NOPB Features

• Voltage Regulation: The LM3405XMK/NOPB is capable of handling a wide input voltage range from 3V to 15V, making it suitable for various power supply scenarios.
• Output Voltage: It provides a stable output voltage of 13.5V, which is ideal for driving LEDs that require a consistent and precise voltage.
• Current Output: The device can deliver up to 1A per channel, ensuring adequate power for most LED lighting applications.
• Dimming Capability: It supports PWM dimming, allowing for precise control over the LED brightness levels.
• Frequency: Operating at a frequency of 1.6MHz, the LM3405XMK/NOPB offers efficient power conversion with minimal noise.
• Internal Switches: The presence of internal switches simplifies the design and reduces the number of external components required.
• Compliance: The LM3405XMK/NOPB is compliant with the RoHS3 directive, indicating its adherence to environmental standards.
• Moisture Sensitivity Level: With an MSL of 1, the device can be stored and handled without special precautions, simplifying the manufacturing process.

LM3405XMK/NOPB Applications

The LM3405XMK/NOPB is ideal for a variety of lighting applications where precise control and efficiency are paramount. Some specific use cases include:

• Automotive Lighting: For interior and exterior lighting systems that require stable and adjustable brightness.
• Industrial Equipment: In machines and equipment where LED indicators or work lights need consistent illumination.
• Consumer Electronics: For backlighting in devices such as monitors, TVs, and other electronic displays.
• Architectural Lighting: In building and street lighting systems where energy efficiency and long life are crucial.

Conclusion of LM3405XMK/NOPB

The LM3405XMK/NOPB stands out in the market due to its versatility, efficiency, and compliance with environmental standards. Its ability to handle a wide range of input voltages, combined with its PWM dimming capability and high-frequency operation, makes it a superior choice for LED lighting applications. The LM3405XMK/NOPB's compact form factor and internal switches further enhance its appeal for designers looking to create space-efficient and reliable lighting solutions.

LM3405XMK/NOPB Documents

Download datasheets and manufacturer documentation for LM3405XMK/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-02-05 (PDF)       Pin 1 Dot Mark Implementation selected devices in the SOT23 6L Package (PDF)       Product Change Notification (PDF)      

Models :

LM3405XMK/NOPB Symbol & Footprint by SnapMagic      

Application Notes :

Powering & Dimming High-Brightness LEDs w/ LM3405 Constant-Current Buck Reg (Rev. A)