LM2576S-ADJ

Switching Voltage Regulators 3A STEP-DOWN VLTG REG

Features

• 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 3A output current
• Wide input voltage range, 40V up to57V for HV version
• Requires only 4 external components
• 52 kHz fixed frequency oscillator
• TTL shutdown capability, low power standby mode
• High efficiency
• Uses readily available standard inductors
• Thermal shutdown and current limit protection

Applications

• Simple high-efficiency step-down (buck) regulator
• Efficient pre-regulator for linear regulators
• On-card switching regulators
• Positive to negative converter (Buck-Boost)