Datasheet

−
+
QS
1.25-V
Reference
Regulator
R
C
T
I
pk
Oscillator
Q2
Q1
Switch
Collector
4
Switch
Emitter
Timing
Capacitor
GND
3
2
18
7
6
5
Comparator
Inverting Input
V
CC
I
pk
Sense
Drive
Collector
100 Ω
MC33063A
MC34063A
SLLS636M –DECEMBER 2004– REVISED JANUARY 2011 www.ti.com
ORDERING INFORMATION
(1)
T
A
PACKAGE
(2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
PDIP – P Tube of 50 MC33063AP MC33063AP
QFN – DRJ Reel of 1000 MC33063ADRJR ZYF
–40°C to 85°C
Tube of 75 MC33063AD
SOIC – D M33063A
Reel of 2500 MC33063ADR
PDIP – P Tube of 50 MC34063AP MC34063AP
QFN – DRJ Reel of 1000 MC34063ADRJR ZYG
0°C to 70°C
Tube of 75 MC34063AD
SOIC – D M34063A
Reel of 2500 MC34063ADR
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
FUNCTIONAL BLOCK DIAGRAM
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Product Folder Link(s): MC33063A MC34063A