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. Adjustable versions have an output voltage range from 1.23V to 37V.
LM2576 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
- 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 ponents
- 52 kHz Fixed-Frequency Internal Oscillator
- Low Power Standby Mode IQ Typically <200 μA