MC34063A/E
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
ir
V
SWC
V
SWE
V
CE
V
dc
I
dc
I
SW
P
tot
T
op
Power Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage (VSWC = 40V)
Switch Collector toEmitter Voltage
Driver Collector Voltage
Driver Collector Current
Switch Current
Power Dissipation at T
amb
= 25
o
C (for
Plastic Package)
(for
SOIC Package)
Operating Ambient Temperature Range (for
AC and EC SERIES)
(for
AB SERIES)
(for
EB SERIES)
Storage Temperature Range
Parameter
Value
50
-0.3 to 40
40
40
40
40
100
1.5
1.25
0.625
0 to 70
- 40 to 85
- 40 to 125
- 40 to 150
Unit
V
V
V
V
V
V
mA
A
W
o
o
C
C
o
C
o
T
st g
C
Absolute Maximum Rating are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
THERMAL DATA
Symbol
Parameter
Max
DIP-8
100
SO-8
160
Unit
o
R
thj-amb
Thermal Resistance Junction-ambient (*)
C/W
(*) This value depends from thermal design of PCB on which the device is mounted.
CONNECTION DIAGRAM
(top view)
PIN CONNECTIONS
Pin No
1
2
3
4
5
6
7
8
Symbol
SWC
SWE
TC
GND
CII
V
CC
I
pk
DRC
Name and Function
Switch Collector
Switch Emitter
Timing Capacitor
Ground
Comparator Inverting Input
Voltage Supply
I
pk
Sense
Voltage Driver Collector
ORDERING NUMBERS
Type
MC34063AB (*)
MC34063AC (*)
MC34063EB
MC34063EC
DIP-8
MC34063ABN
MC34063ACN
MC34063EBN
MC34063ECN
SO-8
MC34063ABD
MC34063ACD
MC34063EBD
MC34063ECD
SO-8 (tape & reel)
MC34063ABD-TR
MC34063ACD-TR
MC34063EBD-TR
MC34063ECD-TR
(*) The "A" version is not recommended for new designs.
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