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MC34063ADG View Datasheet(PDF) - Wing Shing International Group

Part Name
Description
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MC34063ADG
WingShing
Wing Shing International Group WingShing
MC34063ADG Datasheet PDF : 15 Pages
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MC34063A
DC-TO-DC Converter Control Circuits
ELECTRICAL CHARACTERISTICS
(Vcc = 5.0V, TA=0 to +70°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
OSCILLATOR
Frequency
Charge Current
Discharge Current
Discharge to Charge
Current Ratio
Current Limit
Sense Voltage
fosc
Ichg
Idischg
VPin5=0V,CT=1.0nF,TA= 25°C 24 33 42 kHz
VCC = 5.0V to 40V, TA = 25°C 24 33 42 μA
VCC = 5.0V to 40V, TA = 25°C 140 200 260 μA
Idischg/Ichg Pin7 to VCC, TA=25°C
5.2 6.2 7.5
Vlpk(sense) Ichg = Idischg, TA = 25°C
250 300 350 mV
OUTPUT SWITCH (Note 3)
Saturation Voltage,
Darlington Connection VCE(sat)
ISW = 1.0A,
Pins 1, 8 connected
1.0 1.3 V
Saturation Voltage,
Darlinton Connection
DC Current Gain
Collector Off-State
Current
VCE(sat)
hFE
IC(off)
ISW = 1.0A, Forced β = 20
RPin 8 = 82Ω to VCC
ISW = 1.0A, VCE =5.0V,
TA = 25°C
VCE = 40V
0.45 0.7 V
50 75
40 100 μA
COMPARATOR
Threshold Voltage
Threshold Voltage
Line Regulation
Input Bias Current
Vth
Regline
IIB
TA = 25°C
TA = Tlow to Thigh
VCC = 3.0V to 40V
Vin = 0V
1.225 1.25 1.275
V
1.21
1.29
1.4 5.0 mV
-20 -400 nA
TOTAL DEVICE
Supply Current
VCC = 5.0V to 40V,
ICC
CT = 10nF, Vpin7 = VCC,
VPin5 > Vth, Pin 2 = GND,
Remaining pins open
2.5 4.0 mA
NOTE 1: Maximum package power dissipation limits must be observed
NOTE 2: Low duty cycle pulse techniques are used during test to maintain juction temperature as
close to ambient temperature as possible
3
 

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