Overview
The LM3402MMX, produced by Texas Instruments, is a highly efficient LED lighting driver designed for high-power LED applications. This model is a 0.5A constant current buck regulator, which ensures stable and reliable performance in driving LEDs. Marketed primarily towards industrial, automotive, and general lighting applications, the LM3402MMX stands out for its compact design, high efficiency, and robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 0.5 | A | Constant Current |
| Input Voltage | Up to 42 | V | |
| Output Voltage | Up to 40 | V | |
| Switching Frequency | 1 | MHz | |
| Operating Temperature | -40 to +125 | °C | |
| Package | TSSOP-8 | 3.00 x 3.00mm | |
| Dimming | PWM | ||
| Internal Switch | Yes |
Key Features
- Compact TSSOP-8 package suitable for space-constrained applications.
- High efficiency with up to 1MHz switching frequency.
- PWM dimming capability for precise control of LED brightness.
- Robust performance across a wide temperature range from -40°C to +125°C.
- Integrated internal switch reduces external component count and simplifies design.
Applications
The LM3402MMX is widely used in various fields including automotive lighting, industrial lighting systems, and general illumination. Its ability to provide a constant current output makes it ideal for driving high-power LEDs in environments where reliability and efficiency are critical. Additionally, its compact size and high efficiency make it suitable for portable and space-constrained applications.
Q & A
What is the maximum input voltage for LM3402MMX?
The maximum input voltage for LM3402MMX is 42V.
Can LM3402MMX be used for dimming LEDs?
Yes, LM3402MMX supports PWM dimming for precise control of LED brightness.
What is the operating temperature range of LM3402MMX?
LM3402MMX operates within a temperature range of -40°C to +125°C.
Does LM3402MMX have an internal switch?
Yes, LM3402MMX includes an integrated internal switch.
What package does LM3402MMX come in?
LM3402MMX is available in a TSSOP-8 package measuring 3.00 x 3.00mm.
What is the output current of LM3402MMX?
LM3402MMX provides a constant output current of 0.5A.
Is LM3402MMX suitable for automotive applications?
Yes, LM3402MMX is designed to meet the rigorous demands of automotive lighting applications.
What is the switching frequency of LM3402MMX?
The switching frequency of LM3402MMX is up to 1MHz.
Can LM3402MMX drive multiple LEDs?
Yes, LM3402MMX can drive multiple LEDs in series or parallel configurations.
What are the key advantages of using LM3402MMX?
Key advantages include high efficiency, compact size, robust performance, and integrated features like internal switch and PWM dimming.
