addition = MC34063A Description: 1.5A, Step-Up/Down/Inverting Switching Regulator Pinout: +--()--+ SW Collector | 1 14| Driver Collector SW Emitter | 2 13| Ipk Sense Timing Cap | 3 12| Vcc Gnd | 4 11| Comp Inv Input +------+ Pinout came from datasheet at: http://www.onsemi.com/pub/Collateral/MC34063A-D.PDF Manufacturer: ON Semiconductor http://www.onsemi.com name = Patrick Kelsey