Overview
The LM2586S-3.3 is a monolithic integrated circuit designed by Texas Instruments, specifically tailored for flyback, boost, and forward converter applications. This device is part of the LM2586 series, which offers a fixed 3.3V output voltage, making it ideal for power supply designs requiring stable and efficient voltage regulation. The LM2586S-3.3 is particularly suited for applications in industrial automation, consumer electronics, and automotive systems, where reliable power management is critical. Its compact design, high efficiency, and robust performance make it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4 to 40 | V | |
| Output Voltage | 3.3 | V | Fixed |
| Output Current | 3 | A | |
| Switching Frequency | 75 to 125 | kHz | |
| Operating Temperature | -40 to +125 | °C | |
| Package | TO-263-5 | ||
| Efficiency | Up to 90% | Typical | |
| Protection Features | Overcurrent, Thermal Shutdown |
Key Features
- Fixed 3.3V output voltage for stable power regulation.
- Wide input voltage range (4V to 40V) for versatile applications.
- High efficiency of up to 90%, reducing power losses.
- Built-in overcurrent and thermal shutdown protection for enhanced reliability.
- Compact TO-263-5 package for space-constrained designs.
- Soft-start function to minimize inrush current during startup.
Applications
The LM2586S-3.3 is widely used in various industries due to its robust performance and versatility. In industrial automation, it powers control systems and sensors. In consumer electronics, it is employed in devices like routers and set-top boxes. Automotive applications include powering infotainment systems and onboard sensors. Its ability to deliver stable voltage in a compact form factor makes it a preferred choice for modern electronic designs.
Q & A
What is the input voltage range of the LM2586S-3.3?
The input voltage range is 4V to 40V.
What is the fixed output voltage of the LM2586S-3.3?
The fixed output voltage is 3.3V.
What is the maximum output current of the LM2586S-3.3?
The maximum output current is 3A.
What is the typical efficiency of the LM2586S-3.3?
The typical efficiency is up to 90%.
What package does the LM2586S-3.3 come in?
It comes in a TO-263-5 package.
Does the LM2586S-3.3 have overcurrent protection?
Yes, it includes overcurrent protection.
What is the operating temperature range of the LM2586S-3.3?
The operating temperature range is -40°C to +125°C.
Is the LM2586S-3.3 suitable for automotive applications?
Yes, it is suitable for automotive applications.
Does the LM2586S-3.3 have a soft-start function?
Yes, it includes a soft-start function to reduce inrush current.
Can the LM2586S-3.3 be used in industrial automation?
Yes, it is widely used in industrial automation for powering control systems and sensors.
