Overview
The LM2576T-012G is a monolithic integrated circuit designed by onsemi, ideal for easy and convenient design of step-down switching regulators. This DC-to-DC converter is optimized for high-speed and low-voltage operations, making it suitable for a wide range of electronic applications. It features a buck-converter topology to step-down higher voltage levels to lower, regulated output voltages. The LM2576T-012G is available in TO-220 and TO-263 packages, ensuring versatility in various design scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Input Voltage | 40 | V |
| Output Voltage (Fixed Versions) | 3.3, 5.0, 12, 15 | V |
| Output Voltage (Adjustable Version) | 1.23 to 37 | V |
| Maximum Output Current | 3 | A |
| Switching Frequency | 52 kHz | |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Package Type | TO-220-5 | |
| Efficiency | Up to 90% |
Key Features
- Adjustable Output Voltage: The LM2576T-012G allows for adjustable output voltage from 1.23V to 37V, making it versatile for various applications.
- High Efficiency: This DC-to-DC converter offers high efficiency, up to 90%, reducing heat generation and increasing overall system reliability.
- Internal Current Limit and Thermal Shutdown Protection: Features internal current limiting and thermal shutdown protection to prevent overcurrent and overheating conditions.
- Fixed Frequency Oscillator: Uses a 52 kHz fixed frequency oscillator, which helps reduce electromagnetic interference (EMI) and radio-frequency interference (RFI).
- Multiple Output Voltage Options: Available in fixed output voltage versions (3.3V, 5V, 12V, 15V) and an adjustable version.
Applications
- DC-DC Converters: Suitable for use in DC-to-DC converters to convert one DC voltage level to another.
- Battery Chargers: Can be used in battery chargers requiring a stable and consistent output voltage.
- Power Supplies: Ideal for power supplies that need to provide a stable and consistent output voltage to connected devices.
- LED Drivers: Used in LED drivers to drive LEDs with a stable and consistent output voltage.
- Automotive Electronics: Suitable for automotive electronics due to its high reliability and stability.
- Aerospace Applications: Can be used in aerospace applications requiring high reliability and stability.
Q & A
- Q: What is the maximum input voltage for the LM2576T-012G?
A: The maximum input voltage for the LM2576T-012G is 40V. - Q: What is the output current of the LM2576T-012G?
A: The output current of the LM2576T-012G is up to 3A. - Q: Does the LM2576T-012G have thermal shutdown protection?
A: Yes, the LM2576T-012G includes thermal shutdown protection to prevent overheating and damage to the device. - Q: Can the LM2576T-012G be used in aerospace applications?
A: Yes, the LM2576T-012G is suitable for use in aerospace applications due to its high reliability and stability. - Q: What is the switching frequency of the LM2576T-012G?
A: The switching frequency of the LM2576T-012G is 52 kHz. - Q: What are the available output voltage options for the LM2576T-012G?
A: The LM2576T-012G is available in fixed output voltage versions (3.3V, 5V, 12V, 15V) and an adjustable version from 1.23V to 37V. - Q: What type of oscillator does the LM2576T-012G use?
A: The LM2576T-012G uses a fixed frequency oscillator at 52 kHz. - Q: What is the operating junction temperature range for the LM2576T-012G?
A: The operating junction temperature range for the LM2576T-012G is -40°C to +125°C. - Q: What is the efficiency of the LM2576T-012G?
A: The LM2576T-012G offers an efficiency of up to 90%. - Q: What package types are available for the LM2576T-012G?
A: The LM2576T-012G is available in TO-220 and TO-263 packages.
