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MC34063A Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. MC34063A
Description  DC TO DC CONVERTER CONTROLLER
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

MC34063A Datasheet(HTML) 4 Page - Unisonic Technologies

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MC34063A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 10
www.unisonic.com.tw
QW-R103-008,H
ABSOLUTE MAXIMUM RATINGS (Ta=25°C )
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
40
V
Comparator Input Voltage Range
VIN(COMP)
-0.3 ~ +40
V
Switch Collector Voltage
VC(SW)
40
V
Switch Emitter Voltage
VE(SW)
40
V
Switch Collector to Emitter Voltage
VCE(SW)
40
V
Driver Collector Voltage
VC(DR)
40
V
Switch Current
ISW
1.5
A
DIP-8
1250
Power Dissipation (Ta=25
°C)
SOP-8
PD
625
mW
Junction Temperature
TJ
+150
°C
Operating Temperature
TOPR
0 ~ +70
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device which the device could be permanently
damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
DIP-8
100
Junction-to-Ambient
SOP-8
θJA
160
/W
ELECTRICAL CHARACTERISTICS (VCC=5.0V, Ta=0~+70°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Oscillator
Charging Current
ICHG
VCC=5 to 40V, Ta=25°C
22
31
42
μA
Discharging Current
IDISCHG
VCC=5 to 40V, Ta=25°C
140
190
260
μA
Oscillator Amplitude
VOSC
Ta=25
°C
0.5
V
Discharge to Charge Current Ratio
K
V7=VCC, Ta=25°C
5.2
6.1
7.5
Current limit Sense Voltage
VSENSE
ICHG=IDISCHG, Ta=25°C
250
300
350
mV
Output Switch
Saturation Voltage 1(Note)
VCE(SAT)1 ISW=1.0A, VC(DRIVER)=VC(SW)
0.95
1.3
V
Saturation Voltage 2(Note)
VCE(SAT)2 ISW=1.0A, VC(DRIVER)=50mA
0.45
0.7
V
DC Current Gain(Note)
GI (DC)
ISW=1.0A, VCE=5.0V, Ta=25°C
50
180
Collector Off State Current(Note)
IC(OFF)
VCE=40.0V, Ta=25°C
0.01
100
μA
Comparator
Threshold Voltage
VTHD
1.21 1.24 1.29
V
Threshold Voltage Line Regulation
VTHD
VCC=3 ~ 40V
2.0
5.0
mV
Input Bias Current
II(BIAS)
VIN=0V
50
400
nA
Total Device
Supply Current
ICC
VCC=5~40V, CT=0.001
V7=VCC, VC>VTHD, Pin2=GND
2.7
4.0
mA
Note: Output switch tests are performed under pulsed conditions to minimize power dissipation.


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