Overview
The LM5007SD-NS, produced by National Semiconductor, is a high-voltage step-down switching regulator designed for efficient and cost-effective power management solutions. This component integrates an 80V, 0.7A N-channel buck switch, making it suitable for applications requiring robust and reliable power conversion. It is available in MSOP-8 and thermally enhanced LLP-8 packages, offering flexibility in design and implementation. The LM5007SD-NS targets industrial, automotive, and telecommunications applications, providing a competitive edge with its advanced features and high efficiency.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 9 - 75 | V | |
| Output Current | 0.5 | A | Max |
| Switching Frequency | 50 - 800 | kHz | |
| Operating Temperature | -40 to 125 | °C | |
| Package | MSOP-8, LLP-8 | Thermally enhanced | |
| Protection Features | Thermal Shutdown, UVLO, Current Limit |
Key Features
- Integrated 80V, 0.7A N-channel buck switch for efficient power conversion.
- Hysteretic control scheme ensures fast transient response and no control loop compensation.
- Adjustable output voltage for versatile application requirements.
- Thermal shutdown and undervoltage lockout (UVLO) for enhanced reliability.
- Compact MSOP-8 and LLP-8 packages for space-constrained designs.
Applications
The LM5007SD-NS is widely used in industrial automation, automotive systems, and telecommunications infrastructure. Its high efficiency and robust design make it ideal for non-isolated buck regulators, secondary high-voltage post-regulators, and +42V automotive systems. The component's ability to handle wide input voltage ranges and provide stable output ensures reliable performance in demanding environments.
Q & A
1. What is the input voltage range of the LM5007SD-NS?
The input voltage range is 9V to 75V.
2. What is the maximum output current?
The maximum output current is 0.5A.
3. What packages are available for the LM5007SD-NS?
It is available in MSOP-8 and thermally enhanced LLP-8 packages.
4. Does the LM5007SD-NS require control loop compensation?
No, its hysteretic control scheme eliminates the need for control loop compensation.
5. What protection features are included?
It includes thermal shutdown, undervoltage lockout (UVLO), and current limit protection.
6. Can the output voltage be adjusted?
Yes, the output voltage is adjustable to meet specific application requirements.
7. What is the switching frequency range?
The switching frequency ranges from 50kHz to 800kHz.
8. Is the LM5007SD-NS suitable for automotive applications?
Yes, it is designed for robust performance in automotive systems.
9. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
10. What are the key advantages of the LM5007SD-NS?
Its key advantages include high efficiency, fast transient response, and integrated protection features.
