Description
The LM2575 device greatly simplifies the design of switching power supplies by conveniently providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit.
Features
- 1 Adjustable With a Range of 1.23 V to 37 V and ±4% Regulation (Max) Over Line, Load, and Temperature Conditions.
- Specified 1-A Output Current.
- Wide Input Voltage Range 4.75 V to 40 V.
- Uses Readily Available Standard Inductors.
- 52-kHz (Typical) Fixed-Frequency Internal
Oscillator.
- TTL Shutdown Capability With 50-μA (Typical)
Standby Current.
- High Efficiency…as High as 88% (Typical).
- Thermal Shutdown and Current-Limit Protect.
LM2575 Datasheet
