LM2576HVT-3.3

The LM2576HVT-3.3 is a high-efficiency, step-down (buck) voltage regulator with a fixed output voltage of 3.3V. It can drive a 3A load with excellent line and load regulation. This regulator is designed to minimize the number of external components, making it a simple and cost-effective solution for power supply designs. It features an internal switching frequency of 52 kHz, which allows for the use of smaller filter components. The LM2576HVT-3.3 is suitable for a wide range of applications, including power management for industrial and consumer electronics.

Key Features:

• Fixed output voltage of 3.3V
• Adjustable version output voltage range, 1.23V to 37V
• High efficiency up to 90%
• 3A output current
• Requires only 4 external components
• Wide input voltage range, up to 60V
• 52 kHz fixed frequency internal oscillator
• TTL shutdown capability
• Low power standby mode, IQ typically 200 μA
• Thermal shutdown and current limit protection

Technical Specifications:

• Output Voltage: 3.3V
• Input Voltage Range: 4V to 60V
• Output Current: 3A
• Efficiency: Up to 90%
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C
• Package: TO-220, TO-263, and TO-3

Applications:

• Simple high-efficiency step-down (buck) regulator
• On-card switching regulators
• Positive to negative converter
• Battery charger
• Power management for industrial and consumer electronics

Datasheet:
For detailed technical specifications, refer to the LM2576HVT-3.3 Datasheet.