The LM2575 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation

? 3.3V, 5V, 12V, 15V, and adjustable output versions?
? Adjustable version output voltage range,
?1.23V to 37V (57V for HV version) ±4% max over
?line and load conditions?
? Guaranteed 1A output current?
? Wide input voltage range, 40V up to 60V for HV version?
? Requires only 4 external components?
? 52 kHz fixed frequency internal oscillator?
? TTL shutdown capability, low power standby mode?
? High efficiency?
? Uses readily available standard inductors?
? Thermal shutdown and current limit protection?
? P + Product Enhancement tested?