Overview
The LM3402MMX/NOPB is a high-performance LED lighting driver produced by Texas Instruments. Designed as a 0.5A constant current buck regulator, it is specifically tailored for driving high-power LEDs. This product is widely used in automotive, industrial, and general lighting applications, offering efficient and reliable performance. Its compact VSSOP-8 package and advanced features make it a competitive choice in the LED driver market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 500 | mA | Constant current |
| Input Voltage | 42 | V | Maximum |
| Output Voltage | 40 | V | Maximum |
| Switching Frequency | 1 | MHz | |
| Operating Temperature | -40 to +125 | °C | |
| Package | VSSOP-8 | 3x3 mm | |
| Topology | Buck | ||
| Dimming | PWM | ||
| Internal Switch | Yes | ||
| Lead-Free | Yes |
Key Features
- 0.5A constant current output for driving high-power LEDs.
- Wide input voltage range up to 42V.
- PWM dimming support for precise brightness control.
- Integrated high-side N-channel MOSFET switch.
- Compact VSSOP-8 package for space-constrained applications.
- Thermal shutdown and open LED protection for enhanced reliability.
Applications
The LM3402MMX/NOPB is ideal for a variety of applications, including automotive lighting, industrial lighting, and general-purpose LED lighting. Its robust design and efficient performance make it suitable for driving LED arrays in both series and parallel configurations. Additionally, its PWM dimming capability allows for precise control of LED brightness, making it a versatile choice for dynamic lighting systems.
Q & A
1. What is the maximum output current of the LM3402MMX/NOPB?
The maximum output current is 500mA.
2. What is the input voltage range for this device?
The input voltage range is up to 42V.
3. Does the LM3402MMX/NOPB support dimming?
Yes, it supports PWM dimming.
4. What is the switching frequency of this LED driver?
The switching frequency is 1MHz.
5. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
6. What package does the LM3402MMX/NOPB come in?
It comes in a VSSOP-8 package measuring 3x3 mm.
7. Does it have built-in protection features?
Yes, it includes thermal shutdown and open LED protection.
8. Can it be used in automotive applications?
Yes, it is suitable for automotive lighting.
9. Is the LM3402MMX/NOPB lead-free?
Yes, it is lead-free.
10. What is the topology of this LED driver?
It uses a buck topology.
