Overview
The LM3410XQMF/NOPB is a high-frequency, constant-current LED driver IC produced by Texas Instruments. This device is designed for automotive and other applications requiring efficient and compact LED driving solutions. It operates as a boost or SEPIC converter, offering high switching frequencies of either 525 kHz or 1.6 MHz, which allows for the use of small surface mount inductors and capacitors, thereby minimizing board space. The IC features internal compensation, current-mode control, and PWM dimming, making it versatile and easy to use with minimal external components.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package Type | SOT-23-5 | |
| Input Voltage Range | 2.7 V to 5.5 V | V |
| Output Voltage Range | 3 V to 24 V | V |
| Switching Frequency | 1.6 MHz | kHz |
| Output Current | 2.8 A (typical) | A |
| Efficiency | Up to 88% | % |
| Maximum Operating Temperature | 125 °C | °C |
| Minimum Operating Temperature | -40 °C | °C |
| Quiescent Current | 3.4 mA | mA |
| Topology | Boost, SEPIC | |
| Dimming Method | PWM |
Key Features
- High switching frequencies of 525 kHz or 1.6 MHz, allowing for small surface mount components.
- Internal compensation and current-mode control for high performance over a wide range of operating conditions.
- PWM dimming with duty cycle control from 0 to 100% for adjustable LED brightness.
- Cycle-by-cycle current limiting and thermal shutdown for protection.
- Ultra-low standby current of 80 nA during shutdown.
- Internal soft start and external shutdown capabilities.
- High efficiency up to 88% and low switch on resistance (170 mΩ).
Applications
- LED backlight current sources for displays and OLEDs.
- Handheld devices and mobile applications requiring efficient LED driving.
- Automotive LED lighting and display systems.
- LED flash drivers for camera and other applications).
Q & A
- What is the primary function of the LM3410XQMF/NOPB?
The LM3410XQMF/NOPB is a constant-current LED driver IC that operates as a boost or SEPIC converter, providing regulated LED current).
- What are the available switching frequencies for the LM3410XQMF/NOPB?
The device operates at switching frequencies of either 525 kHz or 1.6 MHz).
- What is the package type of the LM3410XQMF/NOPB?
The IC is packaged in a SOT-23-5 package).
- What is the input voltage range for the LM3410XQMF/NOPB?
The input voltage range is from 2.7 V to 5.5 V).
- What is the maximum output current of the LM3410XQMF/NOPB?
The maximum output current is 2.8 A (typical)).
- How does the LM3410XQMF/NOPB support dimming?
The device supports PWM dimming with duty cycle control from 0 to 100%).
- What are some key protection features of the LM3410XQMF/NOPB?
The IC features cycle-by-cycle current limiting and thermal shutdown for protection).
- What are the typical applications of the LM3410XQMF/NOPB?
Typical applications include LED backlight current sources, handheld devices, automotive LED lighting, and LED flash drivers).
- What is the efficiency of the LM3410XQMF/NOPB?
The device can achieve efficiencies up to 88%).
- What is the quiescent current of the LM3410XQMF/NOPB during operation?
The quiescent current is 3.4 mA).
