Overview
The LM3414HVMRX/NOPB is a high-power floating buck LED driver produced by Texas Instruments. This device is designed to operate with a wide input voltage range and features an integrated power N-MOSFET, enabling high-output power with up to 1A output current. The LM3414HVMRX/NOPB requires no external current sensing elements or loop compensation networks, making it a streamlined solution for various LED lighting applications. It supports both analog and PWM dimming, providing precise and high-resolution brightness control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package | 8-SO PowerPad (SOIC-8) | |
| Topology | Step-Down (Buck) | |
| Internal Switch(s) | Yes | |
| Number of Outputs | 1 | |
| Voltage - Supply (Min) | 4.5V | V |
| Voltage - Supply (Max) | 65V | V |
| Current - Output / Channel | 1A | A |
| Frequency | 500kHz | Hz |
| Dimming | Analog, PWM | |
| Operating Temperature | -40°C to 125°C (TJ) | °C |
| Mounting Type | Surface Mount | |
| Thermal Shutdown Temperature | 170°C (TJ Rising) | °C |
Key Features
- High-power floating buck LED driver with integrated power N-MOSFET for up to 1A output current.
- No external current sensing elements or loop compensation networks required.
- Supports both analog and PWM dimming for precise brightness control.
- Proprietary Pulse Level Modulation (PLM) for accurate current regulation and good EMI performance.
- High-speed dimming control input for fine brightness adjustment.
- Internal 5.4-V voltage regulator for powering internal circuitry and external components.
- Thermal shutdown protection at 170°C (TJ Rising).
- Available in SOIC-8 and 3 mm × 3 mm WSON-8 packages.
Applications
- Automotive Lighting
- Architectural Lighting, Office Troffers
- MR-16 LED Lamps
- General Lighting requiring high power and precise dimming control.
Q & A
- What is the input voltage range of the LM3414HVMRX/NOPB?
The input voltage range is from 4.5V to 65V.
- What is the maximum output current of the LM3414HVMRX/NOPB?
The maximum output current is 1A.
- Does the LM3414HVMRX/NOPB require external current sensing elements or loop compensation networks?
No, it does not require external current sensing elements or loop compensation networks.
- What dimming methods are supported by the LM3414HVMRX/NOPB?
The device supports both analog and PWM dimming.
- What is the switching frequency of the LM3414HVMRX/NOPB?
The switching frequency is 500kHz.
- What is the thermal shutdown temperature of the LM3414HVMRX/NOPB?
The thermal shutdown temperature is 170°C (TJ Rising).
- In what packages is the LM3414HVMRX/NOPB available?
The device is available in SOIC-8 and 3 mm × 3 mm WSON-8 packages.
- What is the operating temperature range of the LM3414HVMRX/NOPB?
The operating temperature range is from -40°C to 125°C (TJ).
- Does the LM3414HVMRX/NOPB have an internal voltage regulator?
Yes, it features a 5.4-V internal voltage regulator.
- What are some common applications of the LM3414HVMRX/NOPB?
Common applications include automotive lighting, architectural lighting, and MR-16 LED lamps.
