Overview
The LM5117QPSQE/NOPB is a high-performance synchronous buck controller produced by Texas Instruments. Designed for advanced power management applications, this product is part of Texas Instruments' portfolio of DC-DC converters. It is specifically engineered to drive N-channel MOSFETs in high-efficiency step-down (buck) regulator configurations. The LM5117QPSQE/NOPB is ideal for applications requiring precise voltage regulation and high switching frequencies, making it suitable for industrial, automotive, and consumer electronics markets. Its unique selling points include its wide input voltage range, robust protection features, and ability to operate in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 6 to 100 | V | |
| Output Voltage Range | 0.8 to 90 | V | Adjustable |
| Switching Frequency | 50 to 1000 | kHz | Programmable |
| Operating Temperature | -40 to 125 | °C | |
| Package | PowerPAD SOIC-16 | ||
| Control Method | Voltage Mode | ||
| Protection Features | Overcurrent, Overvoltage, Thermal Shutdown |
Key Features
- Wide Input Voltage Range: Supports operation from 6V to 100V, making it versatile for various applications.
- High Efficiency: Optimized for driving N-channel MOSFETs, ensuring minimal power loss.
- Programmable Switching Frequency: Allows customization for specific design requirements.
- Robust Protection: Includes overcurrent, overvoltage, and thermal shutdown features for enhanced reliability.
- Compact Package: Available in a PowerPAD SOIC-16 package for space-constrained designs.
Applications
The LM5117QPSQE/NOPB is widely used in various industries due to its robust performance and flexibility. In industrial automation, it is employed in power supplies for control systems and motor drives. In automotive electronics, it is utilized in infotainment systems, lighting controls, and battery management systems. Additionally, it finds applications in consumer electronics, such as high-efficiency chargers and adapters. Its ability to operate in harsh environments and deliver precise voltage regulation makes it a preferred choice for demanding applications.
Q & A
1. What is the input voltage range of the LM5117QPSQE/NOPB?
The input voltage range is 6V to 100V.
2. Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 0.8V to 90V.
3. What is the maximum switching frequency?
The switching frequency can be programmed up to 1000 kHz.
4. Is the LM5117QPSQE/NOPB suitable for automotive applications?
Yes, it is designed to meet the stringent requirements of automotive electronics.
5. What protection features are included?
It includes overcurrent, overvoltage, and thermal shutdown protection.
6. What is the operating temperature range?
It operates from -40°C to 125°C.
7. What type of control method does it use?
It uses voltage mode control.
8. What package is the LM5117QPSQE/NOPB available in?
It is available in a PowerPAD SOIC-16 package.
9. Can it be used in industrial automation?
Yes, it is ideal for industrial automation applications such as motor drives and control systems.
10. Does it support high-efficiency designs?
Yes, it is optimized for high-efficiency synchronous buck converter designs.
