The LM2841XBMK is a high-performance, small footprint, adjustable frequency, step-down DC/DC converter designed by Texas Instruments. This efficient power management integrated circuit (IC) is tailored for portable and space-constrained applications that require a compact and energy-efficient power solution.
Key Features
- Input Voltage Range: The LM2841XBMK operates with an input voltage range of 4.5V to 42V, making it versatile for a wide range of supply sources.
- Adjustable Output Voltage: This device provides an adjustable output voltage that can be set from 0.765V to 80% of the input voltage, allowing for flexibility in powering various loads.
- Switching Frequency: The switching frequency is adjustable from 300 kHz to 2 MHz, which enables optimization between efficiency and external component size.
- Current Limiting and Thermal Protection: Built-in current limiting and thermal shutdown features protect the device and the load from damage due to over-current and over-temperature conditions.
- High Efficiency: The LM2841XBMK offers high efficiency due to its low RDS(ON) internal switch, which minimizes losses at high currents.
Applications
The LM2841XBMK is ideal for a variety of applications, including:
- Portable devices
- Wireless and DSL modems
- Point of Load (POL) conversions
- Set-top boxes
- Networking equipment
Product Specifications
| Parameter |
Value |
| Package |
TSOT-23 |
| Output Current |
Up to 1.4 A |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +125°C |
With its robust design and comprehensive feature set, the LM2841XBMK from Texas Instruments is a reliable and versatile choice for designers looking to optimize power in their next project.