Overview
The LM3410XMFE/NOPB is a high-frequency, constant current LED driver from Texas Instruments. This monolithic DC-DC converter is designed for use in various LED lighting applications, including backlighting, flash drivers, and automotive systems. Available in a space-saving 5-pin SOT-23 package, the LM3410XMFE/NOPB offers ease of use with a minimum of external components required. It operates with high switching frequencies of either 525 kHz or 1.6 MHz, enabling the use of small surface mount inductors and capacitors, thus minimizing board space. The device is qualified for automotive applications and meets AEC-Q100 standards, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Input Voltage | 2.7 to 5.5 | V |
| Output Voltage | 3 to 24 | V |
| Switch Current Limit | 2.8 A (Typical) | A |
| Switching Frequency | 525 kHz (LM3410Y), 1.6 MHz (LM3410X) | kHz/MHz |
| NMOS Switch On Resistance | 170 mΩ | mΩ |
| Internal Voltage Reference | 190 mV | mV |
| Thermal Shutdown Temperature | 165 °C | °C |
| Standby Current | 80 nA | nA |
Key Features
- Qualified for Automotive Applications with AEC-Q100 compliance
- High switching frequencies: 525 kHz (LM3410Y) and 1.6 MHz (LM3410X)
- Space-saving SOT-23 and WSON packages
- Input voltage range: 2.7 V to 5.5 V
- Output voltage range: 3 V to 24 V
- 2.8-A (typical) peak switch current
- 170-mΩ NMOS switch
- 190-mV internal voltage reference
- Internal soft start and thermal shutdown
- Current-mode, PWM operation with internal compensation
- PWM dimming and cycle-by-cycle current limit
- Ultra-low standby current of 80 nA
Applications
- LED Backlight Current Sources
- Lithium-Ion Backlight OLED and HB LED Drivers
- Handheld Devices
- LED Flash Drivers
- Automotive Applications
Q & A
- What is the operating temperature range of the LM3410XMFE/NOPB?
The operating temperature range is -40°C to 125°C.
- What are the available switching frequencies for the LM3410XMFE/NOPB?
The switching frequencies are 525 kHz (LM3410Y) and 1.6 MHz (LM3410X).
- What is the typical switch current limit of the LM3410XMFE/NOPB?
The typical switch current limit is 2.8 A.
- What is the internal voltage reference of the LM3410XMFE/NOPB?
The internal voltage reference is 190 mV.
- Does the LM3410XMFE/NOPB support PWM dimming?
- What is the standby current of the LM3410XMFE/NOPB when in shutdown mode?
The standby current is 80 nA.
- What types of packages are available for the LM3410?
The LM3410 is available in 6-pin WSON, 8-pin MSOP-PowerPad, and 5-pin SOT-23 packages.
- Is the LM3410XMFE/NOPB qualified for automotive applications?
- What is the thermal shutdown temperature of the LM3410XMFE/NOPB?
The thermal shutdown temperature is 165°C.
- How does the LM3410XMFE/NOPB regulate the output current?
The device regulates the output current using current-mode control and internal compensation, with the current magnitude set by a series resistor.
