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Microchip Adjustable Switching Regulator Surface Mount 12V Output Voltage 3A Output Current LM2576-12WU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Efficiency | 80% |
| Length | 10.16mm |
| Model | LM2576-12WU |
| Depth | 9.1mm |
| Width | 4.32mm |
| Mount Type | Surface |
| Series | LM2576 |
| Output Current | 3A |
| Maximum Operating Temperature | 85°C |
| Package Type | TO-263 |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 40V |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 4V |
| Number of Pins | 5 |
| Output Voltage 1 | 12V |
| Wide Input Voltage Range | 4V to 40V |
| Adjustable version | ±2% max. feedback voltage |
| Fixed version | ±3% max. output voltage |
| Wide output voltage range | 1.23V to 37V |
Key Features
- The regulator supports wide input voltage range of 4V to 40V.
- It provides efficient step-down (buck) voltage regulation with 80% efficiency.
- The device includes a 52kHz fixed frequency internal oscillator for stable operation.
- It has thermal shutdown and current limit protection for device safety.
- Designed for applications requiring a 3A load with excellent line and load regulation.
- It features a compact TO-263 package with 5 pins for surface mounting.
- Operating temperature ranges from -40°C to 85°C, supporting robust industrial conditions.
- This series includes fixed and adjustable voltage versions with feedback voltage accuracy within ±2% for adjustable types.
Product Description
Microchip LM2576-12WU is an adjustable switching regulator designed for step-down (buck) voltage conversion applications. This surface-mount device provides a fixed 12V output voltage with a maximum output current of 3A, suitable for power management in industrial, electronic component, and power supply systems.
Featuring a wide input voltage range from 4V to 40V, the LM2576-12WU ensures efficient voltage regulation with efficiency typically above 80%. The integrated 52kHz fixed frequency internal oscillator delivers stable switching performance, while the compact TO-263 package and 5-pin configuration is ideal for space-constrained PCB layouts.
The regulator operates reliably in harsh conditions with an operating temperature range from -40°C to 85°C. It incorporates thermal shutdown and current limit protection mechanisms, enhancing durability and safety. The adjustable LM2576 series offers a feedback voltage accuracy of ±2%, ensuring tight output voltage regulation for sensitive electronics.
Applications include industrial power supplies, laboratory equipment, manufacturing systems, and general electronics requiring stable voltage output and efficient power conversion.
The regulator supports wide input voltage range of 4V to 40V. It provides efficient step-down (buck) voltage regulation with 80% efficiency. The device includes a 52kHz fixed frequency internal oscillator for stable operation.
It has thermal shutdown and current limit protection for device safety. Designed for applications requiring a 3A load with excellent line and load regulation. It features a compact TO-263 package with 5 pins for surface mounting.
Operating temperature ranges from -40°C to 85°C, supporting robust industrial conditions. This series includes fixed and adjustable voltage versions with feedback voltage accuracy within ±2% for adjustable types. The low power standby mode reduces IQ typically below 200μA.
Compatible with standard inductors simplifying design integration. Set contains one LM2576-12WU switching regulator in surface mount TO-263 package. Perfect for power supply design and modification needs. Explore more Switching Regulators and power management solutions in the Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
This model provides a fixed output voltage of 12V and a maximum output current of 3A.
It supports a wide input voltage range from 4V to 40V.
The device offers an efficiency of typically 80% during operation.
The dimensions of the TO-263 package are 10.16mm in length, 9.1mm in depth, and 4.32mm in width.
The LM2576-12WU operates reliably within a temperature range of -40°C to 85°C.
It includes thermal shutdown and current limit protection to enhance device safety.
This switching regulator features a total of 5 pins for surface mounting.
The adjustable versions have a feedback voltage accuracy of ±2%.
It is suitable for applications such as industrial power supplies, laboratory equipment, and general electronics requiring stable voltage output.
The device operates with a fixed frequency internal oscillator at 52kHz for stable operation.
Yes, it is RoHS compliant, ensuring it meets environmental standards.
The minimum input voltage required for this model is 4V.
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