MC34063A View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
MC34063A Datasheet PDF : 10 Pages
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DC-DC Converter Control Circuits
MC34063A
TYPICAL ELECTRICAL CHARACTERISTICS
Emitter Follower Configuration Output Saturation
Voltage vs Emitter Current
VCE(sat)
(V)
1.75
1.70
1.65
VCC=5V
Pin1,7,8=VCC
Pins3,5=GND
Ta=25℃
1.60
1.55
1.50
1.45
1.40
0
400
800 1200 IE(㎃)
Output Switch ON-OFF Time vs Oscillator
Timing Capacitor
Ton Toff
(㎲)
200
VCC=5V
Pin7=VCC
150
Pin5=GND
Ta=25℃
Ton
100
50
Toff
0
0.01
0.1
1
CT(㎋)
Common Emitter Configuration Output Switch
Saturation Voltage vs Collector Current
VCE(sat)
(V)
1.0
Darlington Connection
0.8
0.6
VCC=5V
Pin7=VCC
Pins2,3,5=GND
0.4 Ta=25℃
0.2
0
0
Forced β =20
400
800 1200 1C(㎃)
Power Collector Emitter Ssturation Voltage
(VCE(sat)) vs Temperature
VCE(sat)
(㎷)
600
VCC=5V
550
IC=1A
Darlington Configuration Collector Emitter
Saturation Voltage (VCE(sat)) vs Temperature
VCE(sat)
(㎷)
1000
VCC=5V
950
IC=1A
900
850
800
750
-40
0 40
80 120 TJ(℃)
Current Limit Sense Voltage Voltage (Vipk) vs
Temperature
Vipk
(㎷)
320
MC34063A
310
500
300
450
400
350
-40
0
40
80 120 TJ(℃)
290
280
VCC=5V
I I chg= dischg
270
-40
0
40 80 120 TJ(℃)
HTC
4
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