MC33063A 데이터 시트보기 (PDF) - Motorola => Freescale

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MC33063A

DC–to–DC CONVERTER CONTROL CIRCUITS

Motorola => Freescale 

MC34063A MC33063A

Figure 13. Printed Circuit Board and Component Layout

(Circuits of Figures 7, 9, 11)

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.

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.

8

MOTOROLA ANALOG IC DEVICE DATA

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