| Description & Applications | 52kHz Simple 1A Buck Regulator •3.3V, 5V, 12V, and adjustable output versions • Adjustable version output 1.23V to 37V ±4% max. over line and load conditions. • Guaranteed 0.5A output current • Wide input voltage, up to 40V • Thermal shutdown and current limit protection • Requires only 4 external components. • Shutdown capability (standby mode) • Low power standby mode < 200µA Typical • High-efficiency • 52kHz fixed frequency internal oscillator • Uses standard inductors • Simple high-efficiency step-down (buck) regulator • Efficient pre-regulator for linear regulators • On-card switching regulators • Positive to negative converter (buck-boost) |