Overview
The LM2585SX-12 is a switching regulator IC produced by National Semiconductor, now part of Texas Instruments. It belongs to the SIMPLE SWITCHER® series and is designed for applications requiring efficient power conversion. This model is particularly suited for use in systems that demand a fixed 12V output with a high current capability. Its compact design and robust performance make it ideal for industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Series | SIMPLE SWITCHER® | - | - |
| Function | Boost, Buck/Boost | - | - |
| Output Configuration | Positive | - | - |
| Topology | Boost, Flyback, Forward Converter | - | - |
| Output Type | Fixed | - | - |
| Output Number | 1 | - | - |
| Input Voltage (Min) | 4 | V | - |
| Input Voltage (Max) | 40 | V | - |
| Output Voltage (Min/Fixed) | 12 | V | - |
| Output Current | 3 | A (Switch) | - |
| Switching Frequency | 100 | kHz | - |
| Synchronous Rectifier | No | - | - |
| Operating Temperature | -40 to 125 | °C | TJ |
| Mounting Type | Surface Mount | - | - |
| Package/Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | - | - |
Key Features
- High-efficiency power conversion for boost, buck/boost, and flyback applications.
- Fixed 12V output voltage with a high current capability of 3A (switch).
- Wide input voltage range from 4V to 40V, suitable for various power sources.
- Compact surface-mount package for space-constrained designs.
- Robust thermal performance with an operating temperature range of -40°C to 125°C.
Applications
The LM2585SX-12 is widely used in industrial automation, automotive electronics, and consumer electronics. Its ability to efficiently convert power makes it suitable for applications such as power supplies for sensors, motor drives, and battery charging systems. In automotive electronics, it is used in power management systems for infotainment and lighting. In consumer electronics, it is ideal for portable devices and home appliances requiring stable 12V power.
Q & A
1. What is the maximum input voltage for the LM2585SX-12?
The maximum input voltage is 40V.
2. What is the output current capability of the LM2585SX-12?
The output current capability is 3A (switch).
3. What is the switching frequency of the LM2585SX-12?
The switching frequency is 100kHz.
4. Is the LM2585SX-12 suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and wide operating temperature range.
5. What is the output voltage of the LM2585SX-12?
The output voltage is fixed at 12V.
6. What is the operating temperature range of the LM2585SX-12?
The operating temperature range is -40°C to 125°C.
7. What package does the LM2585SX-12 come in?
It comes in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package.
8. Does the LM2585SX-12 support synchronous rectification?
No, it does not support synchronous rectification.
9. What are the typical applications of the LM2585SX-12?
Typical applications include industrial automation, automotive electronics, and consumer electronics.
10. Is the LM2585SX-12 part of the SIMPLE SWITCHER® series?
Yes, it is part of the SIMPLE SWITCHER® series from Texas Instruments.
