MC34063A MC33063A

8

MOTOROLA ANALOG IC DEVICE DATA

5.45

′′

2.500

′′

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

(Top View, Component Side)

*Optional Filter.

Figure 13. Printed Circuit Board and Component Layout

(Circuits of Figures 7, 9, 11)

MC34063A

MC34063A

MC34063A

INDUCTOR DATA

Converter

Inductance (

µH)

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.