SLLS636L – DECEMBER 2004 – REVISED DECEMBER 2009
www.ti.com
ORDERING INFORMATION
(1)
T
A
PDIP – P
–40°C to 85°C
QFN – DRJ
SOIC – D
PDIP – P
0°C to 70°C
QFN – DRJ
SOIC – D
(1)
(2)
PACKAGE
(2)
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
ORDERABLE PART NUMBER
MC33063AP
MC33063ADRJR
MC33063AD
MC33063ADR
MC34063AP
MC34063ADRJR
MC34063AD
MC34063ADR
TOP-SIDE MARKING
MC33063AP
ZYF
M33063A
MC34063AP
ZYG
M34063A
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
Package drawings, thermal data, and symbolization are available at
FUNCTIONAL BLOCK DIAGRAM
8
1
Drive
Collector
Switch
Collector
S Q
R
100
Ω
I
pk
Sense
7
Q2
Q1
2
Switch
Emitter
I
pk
Oscillator
C
T
6
V
CC
3
Timing
Capacitor
+
−
Comparator
Inverting Input
5
1.25-V
Reference
Regulator
4
GND
2
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