MC34063 Datasheet, PDF (1/2 Pages) ON Semiconductor – DC-to-DC Converter Control Circuits

SMD Type
Integrate Circuit
1.2 A, Step-Up/Down/Inverting Switching Regulators
MC34063
Features
Low Standby Current
Current Limiting
Output Switch Current to 1.2 A
Output Voltage Adjustable
Frequency Operation to 100 kHz
Precision 2% Reference
Absolute Maximum Ratings Ta = 25
Parameter
Symbol
Power Supply Voltage
VCC
Comparator Input Voltage Range
VIR
Switch Collector Voltage
VC(switch)
Switch Emitter Voltage (VPin 1 = 40 V)
VE(switch)
Switch Collector to Emitter Voltage
VCE(switch)
Driver Collector Voltage
VC(driver)
Driver Collector Current *
IC(driver)
Switch Current
ISW
Power Dissipation and Thermal Characteristics
TA = 25
PD
Thermal Resistance
RèJA
Operating Junction Temperature
TJ
Operating Ambient Temperature Range
TA
Storage Temperature Range
Tstg
* Maximum package power dissipation limits must be observed.
Rating
40
-0.3 to +40
40
40
40
40
100
1.2
625
160
150
0 to +70
-65 to +150
Unit
V
V
V
V
V
V
mA
A
mW
/W
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