Datasheet

MC34063A, MC33063A, NCV33063A

http://onsemi.com

5.45′′

2.500′′

(Top view, copper foil as seen through the board from the component side)

(Top View, Component Side) *Optional Filter.

Figure 14. Printed Circuit Board and Component Layout

(Circuits of Figures 8, 10, 12)

MC34063A

INDUCTOR DATA

Converter

Inductance (mH)

Turns/Wire

Step−Up 170 38 Turns of #22 AWG

Step−Down 220 48 Turns of #22 AWG

Voltage−Inverting 88 28 Turns of #22 AWG

All inductors are wound on Magnetics Inc. 55117 toroidal core.