LM2576
Description
The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, or 12V fixed output.
Key Features
- 3.3V, 5V, 12V, and Adjustable Output Versions
- Voltage over Specified Line and Load Conditions: - Fixed Version: ±3% Max. Output Voltage - Adjustable Version: ±2% Max. Feedback Voltage
- Specified 3A Output Current
- Wide Input Voltage Range of 4V to 40V
- Wide Output Voltage Range of 1.23V to 37V
- Requires Only Four External Components
- 52 kHz Fixed-Frequency Internal Oscillator
- Low Power Standby Mode IQ Typically <200 μA
- 80% Efficiency (Adjustable Version Typically >80%)
- Uses Readily Available Standard Inductors
