MC34063A Buck Boost Inverting Switching RegulatorsThe 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 switchThe 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% referenceVersions Available:(516-5095) MC34063AP1G - PDIP-8(125-0038) MC34063AP1G - PDIP-8 - tube of 50(103-5076) MC34063ADR2G - SOIC-8 - reel of 2500(689-9948) MC34063ADR2G - SOIC-8(184-4265) MC34063ADG - SOIC-8 - tube of 98