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MC34063 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part # MC34063
Description  SMPS Controller
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

MC34063 Datasheet(HTML) 2 Page - Fairchild Semiconductor

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MC34063A/MC33063A
2
Absolute Maximum Ratings
Electrical Characteristics
(VCC = 5.0V, TA = 0
°C to +70°C for the MC34063, TA= -40°C to the +85°C for the MC33063, unless otherwise
specified)
Note :
Output switch tests are performed under pulsed conditions to minimize power dissipation
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
40
V
Comparator Input Voltage Range
VI(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
Storage Temperature Range
TSTG
- 65 ~ + 150
°C
Parameter
Symbol
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
V(OSC)
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(C.L)
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 = 40V, TA = 25
°C
-
0.01
100
µA
COMPARATOR
Threshold Voltage
VTH
-
1.21
1.24
1.29
V
Threshold Voltage Line Regulation
∆VTH
VCC = 3 to 40V
-
2.0
5.0
mV
Input Bias Current
IBIAS
VI = 0V
-
50
400
nA
TOTAL DEVICE
Supply Current
MC34063
ICC
VCC = 5 to 40V
CT = 0.001uF
V7 = VCC, V5>VTH
pin2 = GND
--
4.0
mA
MC33063
--
5.0


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