MC33063A
MC34063A
SLLS636L –DECEMBER 2004–REVISED DECEMBER 2009
www.ti.com
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
MC33063AP
ZYF
PDIP – P
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
MC33063AP
QFN – DRJ
MC33063ADRJR
MC33063AD
–40°C to 85°C
SOIC – D
M33063A
MC33063ADR
MC34063AP
PDIP – P
MC34063AP
ZYG
QFN – DRJ
MC34063ADRJR
MC34063AD
0°C to 70°C
SOIC – D
M34063A
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
8
1
2
3
4
Drive
Collector
Switch
Collector
Q2
S
R
Q
Q1
100 Ω
7
I
pk
Switch
Emitter
Sense
I
pk
Oscillator
C
T
6
Timing
Capacitor
V
CC
1.25-V
Reference
Regulator
+
−
5
Comparator
Inverting Input
GND
2
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