Texas Instruments

LM3423MHX/NOPB  

External/Internal LED Drivers

LM3423MHX/NOPB Description

The LM3423MHX/NOPB is a high-performance, single-output DC-DC controller designed and manufactured by Texas Instruments. This device is part of the External/Internal LED Drivers category and is known for its robust technical specifications and versatile applications. With a maximum supply voltage of 75V and a minimum supply voltage of 4.5V, it is suitable for a wide range of power requirements. The LM3423MHX/NOPB operates at a frequency of 2MHz, providing efficient power conversion and control. It is also compliant with the RoHS3 standard and has a moisture sensitivity level of 1 (Unlimited), making it suitable for various electronic devices.

LM3423MHX/NOPB Features

• Active Product Status: The LM3423MHX/NOPB is an active product, ensuring ongoing availability and support from Texas Instruments.
• No Internal Switches: This controller does not have any internal switches, allowing for greater flexibility in system design.
• Wide Voltage Range: With a supply voltage range of 4.5V to 75V, it can handle various input voltages.
• REACH Unaffected: The LM3423MHX/NOPB is not affected by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation.
• Surface Mount: This device is designed for surface mount applications, making it suitable for compact and space-constrained designs.
• PWM and Analog Dimming: The LM3423MHX/NOPB supports both PWM and analog dimming, providing flexibility in controlling LED brightness.
• Single Output: This controller is designed for single-output applications, simplifying the design process for LED drivers.

LM3423MHX/NOPB Applications

The LM3423MHX/NOPB is ideal for various applications where efficient and reliable LED driving is required. Some specific use cases include:

1. General Lighting: This controller can be used in general lighting applications, such as LED bulbs and fixtures, providing efficient power conversion and control.
2. Automotive Lighting: The LM3423MHX/NOPB is suitable for automotive lighting applications, such as headlights and taillights, due to its wide voltage range and robust performance.
3. Industrial Equipment: This controller can be used in industrial equipment, such as machinery and manufacturing systems, to provide reliable LED lighting and control.
4. Outdoor Lighting: The LM3423MHX/NOPB is ideal for outdoor lighting applications, such as streetlights and landscape lighting, due to its ability to handle a wide range of input voltages and its robust performance.

Conclusion of LM3423MHX/NOPB

The LM3423MHX/NOPB is a versatile and high-performance DC-DC controller that offers a wide range of technical specifications and features. Its unique combination of a wide voltage range, PWM and analog dimming capabilities, and surface mount design make it an ideal choice for various LED driver applications. With its active product status and compliance with industry standards, the LM3423MHX/NOPB is a reliable and efficient solution for designers and engineers in the electronics industry.

LM3423MHX/NOPB Documents

Download datasheets and manufacturer documentation for LM3423MHX/NOPB

Datasheets :

LM3421,23(Q1,Q0)      

Reference Design Library :

RD-168: Ambient Light Adaptive, 100mA @ 20V Max, 6 ~ 12V in      

Design Resources :

Ambient Light Adaptive LED Driver       LM3423 Design with WEBENCH® Power Designer      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

LM3421,23(Q1,Q0)      

PCN Design/Specification :

Cu Wire 17/Jun/2016       LM342y Datasheet 29/Aug/2019