資料來源:https://www.sparkfun.com/products/317
DC to DC converter/regulator MC34063A. Has an input range of 3V to 40V, output switch current of up to 1.5 amp. Step up, step down and invert capability. This is the unit we used in the high voltage ringer circuit for the port-o-rotary phone!
Documents:
DC至DC轉換器/調節MC34063A。具有3V至40V,可達1.5放大器輸出開關電流的輸入範圍。升壓,降壓和反轉的能力。這是我們在使用的單位高壓鈴電路,為港口鄰旋轉手機!
文件: MC34063數據表