Overview
The LM3410XMY/NOPB is a high-frequency, constant-current LED driver from Texas Instruments. It is part of the LM3410 and LM3410-Q1 series, designed for applications requiring efficient and compact LED driving solutions. This device is available in an 8-pin MSOP-PowerPad package and is suitable for a wide range of applications, including LED backlighting, handheld devices, and automotive systems. The LM3410XMY/NOPB operates with input voltages from 2.7 V to 5.5 V and can drive peak currents up to 2.8 A, making it a versatile choice for various LED driving needs.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage | 2.7 | - | 5.5 | V |
| Output Voltage | 3 | - | 24 | V |
| Switch Current Limit | 2.1 | 2.8 | - | A |
| Switching Frequency (LM3410X) | 1200 | 1600 | 2000 | kHz |
| Switching Frequency (LM3410Y) | 360 | 525 | 680 | kHz |
| Switch On Resistance (RDS(ON)) | 170 | - | 330 | mΩ |
| Quiescent Current (IQ) | 7 | 11 | - | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | MSOP-PowerPad | - |
Key Features
- High switching frequencies of 525 kHz (LM3410Y) and 1.6 MHz (LM3410X) allowing for the use of small surface mount components.
- Internal 170-mΩ NMOS switch with cycle-by-cycle current limiting.
- Internal soft start and thermal shutdown for enhanced reliability.
- PWM dimming capability with a DIM pin, supporting frequencies from 1 Hz to 25 kHz.
- Ultra-low standby current of 80 nA during shutdown.
- Current-mode control with internal compensation for high performance over a wide range of operating conditions.
- Compact packaging options including SOT-23, MSOP-PowerPad, and WSON.
Applications
- LED backlight current sources for displays.
- Lithium-ion battery-powered backlight OLED and HB LED drivers.
- Handheld devices such as smartphones and tablets.
- LED flash drivers for camera applications.
- Automotive LED lighting systems.
Q & A
- What is the input voltage range of the LM3410XMY/NOPB?
The input voltage range is from 2.7 V to 5.5 V.
- What are the typical switching frequencies of the LM3410XMY/NOPB?
The typical switching frequencies are 525 kHz for the LM3410Y and 1.6 MHz for the LM3410X.
- What is the maximum switch current limit of the LM3410XMY/NOPB?
The maximum switch current limit is 2.8 A.
- What is the quiescent current of the LM3410XMY/NOPB?
The quiescent current is typically 11 mA.
- Does the LM3410XMY/NOPB support PWM dimming?
Yes, it supports PWM dimming with frequencies from 1 Hz to 25 kHz.
- What is the operating temperature range of the LM3410XMY/NOPB?
The operating temperature range is from -40°C to 125°C.
- What are the package options available for the LM3410XMY/NOPB?
The package options include SOT-23, MSOP-PowerPad, and WSON.
- Does the LM3410XMY/NOPB have thermal shutdown protection?
Yes, it includes thermal shutdown protection for enhanced reliability.
- What is the standby current during shutdown?
The standby current during shutdown is ultra-low at 80 nA.
- What are some common applications of the LM3410XMY/NOPB?
Common applications include LED backlighting, handheld devices, LED flash drivers, and automotive LED lighting systems.
