Overview
The LM2587T-3.3, produced by Texas Instruments, is a high-performance switching regulator IC belonging to the SIMPLE SWITCHER® series. Designed for versatility, it supports multiple configurations including boost, flyback, and forward converter topologies. This model features a fixed 3.3V output and is capable of delivering up to 5A of switch current. Its wide input voltage range of 4V to 40V makes it suitable for a variety of applications, particularly in power management systems. The LM2587T-3.3 is packaged in a TO-220-5 formed leads format, ensuring robust thermal performance and ease of integration. With its compact design and minimal external component requirements, this product is ideal for engineers seeking efficient and reliable power conversion solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Series | SIMPLE SWITCHER® | - | - |
| Function | Boost, Flyback, Forward Converter | - | - |
| Output Configuration | Positive | - | - |
| Output Type | Fixed | - | - |
| Output Number | 1 | - | - |
| Output Voltage | 3.3 | V | Fixed |
| Input Voltage (Min) | 4 | V | - |
| Input Voltage (Max) | 40 | V | - |
| Switch Current | 5 | A | - |
| Switching Frequency | 100 | kHz | - |
| Operating Temperature | -40 to 125 | °C | Junction Temperature |
| Package | TO-220-5 Formed Leads | - | - |
Key Features
- Supports boost, flyback, and forward converter topologies.
- Fixed 3.3V output voltage for stable power delivery.
- Wide input voltage range (4V to 40V) for versatile applications.
- High switch current capability of 5A.
- Compact TO-220-5 package for efficient thermal management.
- Minimal external components required for cost-effective designs.
Applications
The LM2587T-3.3 is widely used in power management systems across various industries. Its ability to handle multiple topologies makes it suitable for applications such as industrial automation, consumer electronics, and automotive systems. Specifically, it is ideal for powering microcontrollers, sensors, and other low-voltage devices in environments requiring stable and efficient power conversion. Its robust design and wide operating temperature range also make it a reliable choice for harsh industrial and automotive environments.
Q & A
1. What is the output voltage of the LM2587T-3.3?
The LM2587T-3.3 provides a fixed output voltage of 3.3V.
2. What is the maximum input voltage supported by this IC?
The maximum input voltage is 40V.
3. What is the switch current capability of the LM2587T-3.3?
It supports a switch current of up to 5A.
4. What topologies does this IC support?
It supports boost, flyback, and forward converter topologies.
5. What is the operating temperature range of the LM2587T-3.3?
It operates within a temperature range of -40°C to 125°C.
6. What package is the LM2587T-3.3 available in?
It is available in a TO-220-5 formed leads package.
7. Is the LM2587T-3.3 suitable for automotive applications?
Yes, its robust design and wide operating temperature range make it suitable for automotive environments.
8. Does this IC require external components?
It requires minimal external components, making it cost-effective and easy to integrate.
9. What is the switching frequency of the LM2587T-3.3?
The switching frequency is 100kHz.
10. Is the output voltage adjustable?
No, the output voltage is fixed at 3.3V.
