Overview
The LM2576T-ADJ/NOPB is a versatile and highly efficient step-down (buck) switching regulator produced by Texas Instruments. This monolithic integrated circuit is designed to provide all the active functions necessary for a buck switching regulator, making it an ideal choice for various electronic applications requiring efficient power regulation. The regulator is adjustable, allowing output voltages to be set between 1.23V and 37V, and it can handle input voltages ranging from 4V to 40V. With its low component count and high reliability, the LM2576T-ADJ/NOPB is a popular choice for designers seeking a robust and efficient power solution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Supply Voltage | 40 | V |
| Minimum Input Voltage | 4 | V |
| Maximum Output Voltage | 37 | V |
| Minimum Output Voltage | 1.23 | V |
| Maximum Output Current | 3 | A |
| Switching Frequency | 42 kHz to 63 kHz | kHz |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | TO-220-5 | |
| Pin Count | 5 | |
| RoHS Compliance | Yes |
Key Features
- Adjustable Output Voltage: The output voltage can be adjusted between 1.23V and 37V.
- High Efficiency: The LM2576T-ADJ/NOPB offers high efficiency due to its switching regulator design.
- Low Component Count: Requires minimal external components, simplifying the design and reducing the overall cost.
- Over Current Protection: Built-in over current protection to ensure the regulator operates safely under high load conditions.
- Enable Feature: An enable pin allows for easy on/off control of the regulator.
- Wide Operating Temperature Range: Operates reliably from -40°C to 125°C.
Applications
- Industrial Power Supplies: Suitable for use in industrial power supplies where high reliability and efficiency are crucial.
- Consumer Electronics: Used in various consumer electronics such as TVs, audio equipment, and other devices requiring efficient power regulation.
- Automotive Systems: Can be used in automotive systems due to its wide operating temperature range and robust design.
- Medical Devices: Applicable in medical devices where precise and reliable power regulation is essential.
Q & A
- What is the maximum output current of the LM2576T-ADJ/NOPB?
The maximum output current is 3A.
- What is the adjustable output voltage range of the LM2576T-ADJ/NOPB?
The output voltage can be adjusted between 1.23V and 37V.
- What is the minimum input voltage required for the LM2576T-ADJ/NOPB?
The minimum input voltage is 4V.
- What is the switching frequency range of the LM2576T-ADJ/NOPB?
The switching frequency ranges from 42 kHz to 63 kHz.
- Does the LM2576T-ADJ/NOPB have over current protection?
Yes, it has built-in over current protection.
- What is the package type of the LM2576T-ADJ/NOPB?
The package type is TO-220-5.
- Is the LM2576T-ADJ/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the operating temperature range of the LM2576T-ADJ/NOPB?
The operating temperature range is from -40°C to 125°C.
- Does the LM2576T-ADJ/NOPB have an enable feature?
Yes, it has an enable pin for on/off control.
- What are some common applications of the LM2576T-ADJ/NOPB?
It is commonly used in industrial power supplies, consumer electronics, automotive systems, and medical devices.
