MC34063A
BLOCK DIAGRAM
PIN CONNECTION
Switch
ollector
Switch
Emitter
Timing
apacitor
Ground
1
2
MC34063A
8
7
6
5
Drive
Collector
Ipk
Vcc
Comparator
Inverting
Input
3
4
MAXIMUM RATINGS
(Ta=25°C)
Rating
Power Supply Vo ltage
Co mparator Input Voltage Range
Switch Collector Vo ltage
Switch Emitter Voltage (V
P
in
1
=40V)
Switch Collector to Emitter Vo ltage
Driver Collector Vo ltage
Driver Collector Cu rrent (Note 1)
Switch Current
Power Diss ipation
DIP8
SOP8
Symbol
Vcc
V
IR
Vc(switch)
V
E
(switch)
V
C E
(switch)
Vc(drive)
Ic(drive)
I
SW
P
D
Ta
Tstg
Value
40
0.3~40
40
40
40
40
100
1.2
1.25
625
0~70
-65~150
Unit
V
V
V
V
V
V
mA
A
W
mW
°C
°C
Operating Ambient Temperature Range
Storage Temperature Range
Notes: 1.Maximum package power dissipation limits must be observed
2.ESD data available upon request
2/9
TGS [ Tiger Electronic Co.,Ltd ]
