MC34063A, MC33063A, NCV33063A
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 14. Printed Circuit Board and Component Layout
(Circuits of Figures 8, 10, 12)
INDUCTOR DATA
Converter
Step−Up
Inductance (mH)
Turns/Wire
170
220
88
38 Turns of #22 AWG
48 Turns of #22 AWG
28 Turns of #22 AWG
Step−Down
Voltage−Inverting
All inductors are wound on Magnetics Inc. 55117 toroidal core.
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