Overview
The LM5117QPSQ/NOPB is a high-performance DC-DC switching controller manufactured by Texas Instruments. It is designed for applications requiring efficient power conversion and precise voltage regulation. This product falls under the category of PMIC (Power Management Integrated Circuits) - specifically, DC-DC switching controllers. The LM5117QPSQ/NOPB is targeted at engineers and designers working on industrial, automotive, and consumer electronics applications where robust and reliable power management is critical. Its unique selling points include high efficiency, a wide input voltage range, and advanced current-mode PWM control, making it a competitive choice for modern power supply designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| PWM Type | Current Mode | - | - |
| Output Number | 1 | - | - |
| Maximum Frequency | 530 | kHz | - |
| Duty Cycle | 99 | % | - |
| Supply Voltage | 5.5 - 14 | V | - |
| Buck Functionality | Yes | - | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | 24-WFQFN | - | Exposed Pad |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Current-mode PWM control for precise regulation.
- Wide input voltage range (5.5V to 14V) for versatile applications.
- High efficiency up to 99% duty cycle.
- Robust thermal performance with an operating temperature range of -40°C to 125°C.
- Compact 24-WFQFN package with exposed pad for improved thermal management.
Applications
The LM5117QPSQ/NOPB is widely used in industrial automation, automotive electronics, and consumer electronics. In industrial applications, it is ideal for powering control systems and sensors. In automotive systems, it provides reliable power conversion for infotainment and advanced driver-assistance systems (ADAS). For consumer electronics, it is used in devices such as smart home appliances and portable gadgets, ensuring efficient and stable power delivery.
Q & A
1. What is the maximum switching frequency of the LM5117QPSQ/NOPB?
The maximum switching frequency is 530 kHz.
2. What is the input voltage range for this controller?
The input voltage range is 5.5V to 14V.
3. Does the LM5117QPSQ/NOPB support buck functionality?
Yes, it supports buck functionality.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
5. What type of PWM control does it use?
It uses current-mode PWM control.
6. What is the duty cycle of this controller?
The duty cycle can go up to 99%.
7. What package does the LM5117QPSQ/NOPB come in?
It comes in a 24-WFQFN package with an exposed pad.
8. Is this controller suitable for automotive applications?
Yes, it is suitable for automotive electronics.
9. What is the primary advantage of current-mode PWM control?
It provides precise voltage regulation and improves transient response.
10. Can this controller be used in industrial automation?
Yes, it is well-suited for industrial automation applications.
