Overview
The LM2586T-3.3 is a DC-DC switching regulator produced by Texas Instruments (formerly National Semiconductor). It belongs to the SIMPLE SWITCHER® series and is designed for applications requiring efficient power conversion. This regulator is particularly suited for boost, flyback, and forward converter topologies, offering a fixed output voltage of 3.3V. Its robust design and wide input voltage range make it ideal for industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Series | SIMPLE SWITCHER® | - | - |
| Function | Boost, Flyback, Forward Converter | - | - |
| Output Configuration | Positive | - | - |
| Output Type | Fixed | - | - |
| Output Number | 1 | - | - |
| Input Voltage (Min) | 4 | V | - |
| Input Voltage (Max) | 40 | V | - |
| Output Voltage (Min/Fixed) | 3.3 | V | - |
| Output Current | 3 | A | Switch |
| Switching Frequency | 100 ~ 200 | kHz | - |
| Operating Temperature | -40 ~ 125 | °C | TJ |
| Package | TO-220-7 | - | Formed Leads |
| Status | Obsolete | - | - |
Key Features
- Supports boost, flyback, and forward converter topologies.
- Fixed output voltage of 3.3V with a wide input voltage range (4V to 40V).
- High output current capability of 3A (switch).
- Switching frequency range of 100kHz to 200kHz.
- Robust thermal performance with an operating temperature range of -40°C to 125°C.
- TO-220-7 package with formed leads for easy mounting.
Applications
The LM2586T-3.3 is widely used in various industries due to its versatility and reliability. Common applications include:
- Industrial Automation: Power supply for control systems and sensors.
- Automotive Electronics: Voltage regulation in infotainment and lighting systems.
- Consumer Electronics: Power management in portable devices and home appliances.
- Telecommunications: Efficient power conversion in communication equipment.
Q & A
1. What is the output voltage of the LM2586T-3.3?
The output voltage is fixed at 3.3V.
2. What is the input voltage range for this regulator?
The input voltage range is 4V to 40V.
3. What is the maximum output current?
The maximum output current is 3A (switch).
4. What is the switching frequency range?
The switching frequency ranges from 100kHz to 200kHz.
5. Is this regulator suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its wide input voltage range and robust design.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the LM2586T-3.3 use?
It uses a TO-220-7 package with formed leads.
8. Is the LM2586T-3.3 still in production?
No, this model is marked as obsolete.
9. Can this regulator be used in industrial applications?
Yes, it is ideal for industrial automation and control systems.
10. Does the LM2586T-3.3 support synchronous rectification?
No, it does not support synchronous rectification.
