Overview
The LM25116MHX/NOPB is a wide-range synchronous buck controller produced by Texas Instruments. This component is designed for high-efficiency voltage regulation and is particularly suited for applications requiring a wide input voltage range and high reliability. The LM25116MHX/NOPB features an adjustable current limit, programmable overvoltage protection, and rise/fall-time adjustable capabilities, making it a versatile choice for various power management needs.
The device is packaged in a 20-pin HTSSOP (Heat-Enhanced Thin Shrink Small Outline Package) which is thermally enhanced, making it suitable for applications with space constraints. It is widely used in industrial, automotive, and telecommunications systems due to its robust performance and reliability.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Vin (min) (V) | 6 | Vin (max) (V) | 42 |
| Vout (min) (V) | 1.215 | Vout (max) (V) | 36 |
| Maximum Continuous Drain Current (A) | 20 | Iq (typ) (mA) | 4.6 |
| Switching frequency (min) (kHz) | 50 | Switching frequency (max) (kHz) | 1000 |
| Operating temperature range (°C) | -40 to 125 | Regulated outputs (#) | 1 |
| Number of phases | 1 | Control mode | Current mode |
| Package | HTSSOP-20-EP | No. of Pins | 20 |
| Duty Cycle (%) | 98% | Topology | Synchronous Buck (Step Down) |
Key Features
- Enhanced Diode Emulation: Improves efficiency by mimicking the behavior of a diode.
- Programmable Overvoltage Protection: Allows for customizable protection against overvoltage conditions.
- Rise/Fall-Time Adjustable: Enables the adjustment of rise and fall times to suit specific application needs.
- High-Speed Communication Interface: Supports fast communication for real-time control and monitoring.
- Adjustable Current Limit: Ensures stable operation under varying load conditions.
- Frequency Synchronization: Allows synchronization with external clocks for better system integration.
- Light Load Efficiency: Maintains high efficiency even at light load conditions.
- Synchronous Rectification: Enhances efficiency by using synchronous rectification techniques.
Applications
The LM25116MHX/NOPB is commonly used in a variety of applications, including:
- Industrial Power Supplies: Suitable for high-reliability power supply solutions in industrial settings.
- Motor Control Systems: Used in motor control applications requiring high efficiency and reliability.
- LED Lighting: Ideal for LED lighting systems that require adjustable and efficient power management.
- Automotive Systems: Used in automotive electronics due to its wide input voltage range and high reliability.
- Telecommunications Systems: Suitable for power management in telecommunications equipment.
- Battery Charging Systems: Used in battery charging applications requiring high voltage input handling.
- Power Distribution Systems: Ideal for power distribution systems that need efficient and reliable voltage regulation.
Q & A
- Q: What is the input voltage range of the LM25116MHX/NOPB?
A: The input voltage range is from 6V to 42V.
- Q: What is the maximum continuous drain current of the LM25116MHX/NOPB?
A: The maximum continuous drain current is 20A.
- Q: What is the operating temperature range of the LM25116MHX/NOPB?
A: The operating temperature range is from -40°C to 125°C.
- Q: What package type is the LM25116MHX/NOPB available in?
A: It is available in a 20-pin HTSSOP-20-EP package.
- Q: Does the LM25116MHX/NOPB support frequency synchronization?
A: Yes, it supports frequency synchronization with external clocks.
- Q: What are some key features of the LM25116MHX/NOPB?
A: Key features include enhanced diode emulation, programmable overvoltage protection, rise/fall-time adjustable, and high-speed communication interface.
- Q: Is the LM25116MHX/NOPB RoHS compliant?
A: Yes, the LM25116MHX/NOPB is RoHS compliant.
- Q: Where can I find detailed information about the LM25116MHX/NOPB, such as application notes and datasheets?
A: You can find detailed information on the Texas Instruments website, or through distributors like LCSC, Ovaga, and OEM Secrets.
- Q: What are some common applications of the LM25116MHX/NOPB?
A: Common applications include industrial power supplies, motor control systems, LED lighting, automotive systems, and telecommunications systems.
- Q: How can I ensure the authenticity of the LM25116MHX/NOPB from Texas Instruments?
A: Ensure you purchase from authorized distributors who rigorously test and verify the credentials of original manufacturers and authorized agents.
