MC34063A, MC33063A
5.45′′
2.500′′
(Top view, copper foil as seen through the board from the component side)
MC34063A
MC34063A
MC34063A
(Top View, Component Side)
*Optional Filter.
Figure 13. Printed Circuit Board and Component Layout
(Circuits of Figures 7, 9, 11)
INDUCTOR DATA
Converter
Step–Up
Step–Down
Voltage–Inverting
Inductance (µH)
170
220
88
Turns/Wire
38 Turns of #22 AWG
48 Turns of #22 AWG
28 Turns of #22 AWG
All inductors are wound on Magnetics Inc. 55117 toroidal core.
http://onsemi.com
9