Overview
The LM2588S-3.3, produced by Texas Instruments (formerly National Semiconductor), is a highly efficient DC-DC switching regulator belonging to the SIMPLE SWITCHER® series. Designed for applications requiring robust power management, this IC is capable of delivering a fixed 3.3V output, making it ideal for a wide range of electronic systems. Its versatility in supporting boost, flyback, and forward converter topologies positions it as a reliable choice for engineers and designers in industries such as industrial automation, automotive electronics, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | - | - |
| Output Voltage | 3.3 | V | Fixed |
| Input Voltage Range | 4 to 40 | V | - |
| Output Current | 5 | A | Switch |
| Switching Frequency | 100 | kHz | Current Mode PWM |
| Operating Temperature | -40 to 125 | °C | - |
| Package | TO-263-7 (D²Pak) | - | - |
| Synchronous Rectifier | No | - | - |
Key Features
- Supports boost, flyback, and forward converter topologies for flexible design options.
- Fixed 3.3V output ensures stable power delivery for sensitive components.
- Wide input voltage range (4V to 40V) accommodates diverse power sources.
- High output current capability (5A) supports demanding applications.
- Current mode PWM control enhances efficiency and transient response.
Applications
The LM2588S-3.3 is widely used in power management systems across various industries. In industrial automation, it provides reliable voltage regulation for control systems and sensors. In automotive electronics, it ensures stable power for infotainment systems and advanced driver-assistance systems (ADAS). Additionally, its compact design and efficiency make it suitable for consumer electronics, such as portable devices and IoT applications, where space and power consumption are critical considerations.
Q & A
1. What is the output voltage of the LM2588S-3.3?
The LM2588S-3.3 provides a fixed output voltage of 3.3V.
2. What is the input voltage range for this IC?
The input voltage range is 4V to 40V.
3. What is the maximum output current it can handle?
It can handle a maximum output current of 5A.
4. What is the switching frequency of the LM2588S-3.3?
The switching frequency is 100kHz.
5. Does it support synchronous rectification?
No, it does not support synchronous rectification.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the LM2588S-3.3 come in?
It comes in a TO-263-7 (D²Pak) package.
8. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and wide input voltage range.
9. What topologies does it support?
It supports boost, flyback, and forward converter topologies.
10. Is the LM2588S-3.3 RoHS compliant?
No, it is not RoHS compliant.
