Manufacturer Part Number
LM3406HVMHX
Manufacturer
Texas Instruments
Introduction
The LM3406HVMHX is a high-voltage, single-channel step-down DC-DC regulator designed for driving high-power LEDs in automotive and lighting applications.
Product Features and Performance
Operates over a wide input voltage range of 6V to 75V
Integrated high-side power switch with current limiting
Supports PWM dimming for LED brightness control
Wide switching frequency range of 10kHz to 1MHz
Robust thermal shutdown and overcurrent protection
AEC-Q100 qualified for automotive applications
Product Advantages
High efficiency and small size for space-constrained designs
Comprehensive protection features for reliable operation
Flexible dimming and output current control
Automotive-grade reliability and performance
Key Technical Parameters
Output current: Up to 1.5A
Output voltage: Up to 76V
Switching frequency: 10kHz to 1MHz
Operating temperature range: -40°C to 125°C
Quality and Safety Features
Thermal shutdown protection
Overcurrent protection
ESD protection
Compatibility
Suitable for a wide range of automotive and lighting applications
Application Areas
Automotive LED headlights, taillights, and interior lighting
High-power LED lighting for general illumination
Product Lifecycle
The LM3406HVMHX is an active product and is not nearing discontinuation.
Replacement or upgrade options may be available from Texas Instruments.
Key Reasons to Choose This Product
High-performance and reliable LED driver solution
Comprehensive protection features for safe operation
Wide input voltage range and flexibility for various applications
Automotive-grade qualification for demanding environments
Small size and high efficiency for space-constrained designs
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