MC34063C Просмотр технического описания (PDF) - HTC Korea
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MC34063C Datasheet PDF : 9 Pages
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0.8A Step Down / Step Up / Inverting DC-DC Converter
BLOCK DIAGRAM
MC34063C
Drive
Collector
8
sQ
R
Switch
Q2
1 Collector
Q1
Ipk Sense 7
Vcc 6
Comparator
lnverting
5
input
Ipk Oscillator
Comparator
+
-
1.25V
Reference
Regulator
2
Switch
Emitter
3
Timing
Capacitor
4 GND
ABSOLUTE MAXIMUM RATINGS (NOTE 1)
SYMBOL
PARAMETER
Vcc
Vir
VSWC
VSWE
VCE
Vdc
Idc
Isw
Power Supply Voltage
Comparator input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage (VSWC=40V)
Switch Collector to Emitter Voltage
Driver Collector Voltage
Driver Collector Current (NOTE 2)
Switch Current
PD
PΘJA
SOP Package
Power Dissipation at Tamb=25℃
Thermal Resistance
PD
PΘJA
DIP Package
Power Dissipation at Tamb=25℃
Thermal Resistance
TJ Operating Juntion Temperature Range
Tstg Storage Temperature Range
Absolute Maximum Rating are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Jan. 2007-Rev 1.0
2
VALUE
UNIT
40
V
-0.3 to 40 V
40
V
40
V
40
V
40
V
100
㎃
0.8
A
1.25
W
100
℃/W
0.625
W
160
℃/W
-40 to 150 ℃
-65 to +150 ℃
HTC
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