Overview
The LM26480QSQ-AA/NOPB is a high-efficiency, dual-output DC/DC converter produced by Texas Instruments. Designed for applications requiring compact power solutions, this model integrates two synchronous buck regulators, making it ideal for powering processors, FPGAs, and other low-voltage, high-current loads. Its market positioning targets portable devices, industrial systems, and embedded computing applications, offering a balance of performance, efficiency, and reliability. The LM26480QSQ-AA/NOPB stands out for its high switching frequency, low quiescent current, and advanced thermal management, making it a competitive choice for modern power design challenges.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V | |
| Output Voltage Range | 0.6 to 3.6 | V | Adjustable |
| Switching Frequency | 2.25 | MHz | Typical |
| Quiescent Current | 50 | µA | Per Channel |
| Efficiency | Up to 95 | % | Depending on load |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | WQFN-24 | Compact form factor |
Key Features
- Dual Synchronous Buck Regulators: Provides two independent outputs for versatile power management.
- High Switching Frequency: Enables the use of smaller external components, reducing PCB footprint.
- Low Quiescent Current: Enhances efficiency in low-power and standby modes.
- Integrated Thermal Management: Protects the device from overheating, ensuring reliable operation.
- Adjustable Output Voltage: Offers flexibility for various application requirements.
Applications
The LM26480QSQ-AA/NOPB is widely used in portable devices such as smartphones and tablets, where efficient power management is critical. In industrial systems, it powers sensors, controllers, and communication modules. Additionally, it is suitable for embedded computing applications, including FPGAs and processors, due to its compact design and high efficiency. Its versatility and robust performance make it a preferred choice for engineers designing advanced power solutions.
Q & A
1. What is the input voltage range of the LM26480QSQ-AA/NOPB?
The input voltage range is 2.7V to 5.5V.
2. Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 0.6V to 3.6V.
3. What is the typical switching frequency?
The typical switching frequency is 2.25 MHz.
4. How efficient is this DC/DC converter?
Efficiency can reach up to 95%, depending on the load.
5. What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
6. What package does the LM26480QSQ-AA/NOPB use?
It comes in a WQFN-24 package.
7. Is this device suitable for portable devices?
Yes, its compact size and high efficiency make it ideal for portable devices.
8. Does it support thermal management?
Yes, it includes integrated thermal management for reliable operation.
9. What is the quiescent current per channel?
The quiescent current is 50 µA per channel.
10. Can it be used in industrial applications?
Yes, it is well-suited for industrial systems, including sensors and controllers.
