The ON Semiconductor MC34063A series of buck boost inverting switching regulators designed for step-down, step-up and voltage-inverting applications. These are monolithic ICs which contain a wide range of functionality required for DC-DC converters. This functionality includes: - Internal temperature compensated reference - Comparator - Controlled duty cycle oscillator with an active current limit circuit - Driver - High current output switch The MC34063A ICs are suitable for fan controllers and DC-DC power supplies. They offer a wide input voltage of -0.3 to +40 Vdc, which makes the MC34063A suitable for a wider range of applications.
• Temperature range: 0 to +70 °C • Low standby current • Input voltage: 3-40 V • Adjustable current limit • Adjustable output voltage • Frequency operation: to 100kHz • Accuracy: precision 2% reference
