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MC34063A Datasheet(Fiches technique) 4 Page - Analog Intergrations Corporation

Numéro de pièce MC34063A
Description  DC/DC CONVERTER CONTROL CIRCUIT
Télécharger  9 Pages
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Fabricant  AIC [Analog Intergrations Corporation]
Site Internet  http://www.analog.com.tw
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MC34063A
DC/DC CONVERTER CONTROL CIRCUIT
SPEC NO: DS34063A-00
ANALOG INTEGRATIONS CORPORATION
www.analog.com.tw
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
TEL: (8863)577-2500 FAX:(8863)577-2510
4
! TYPICAL PERFORMANCE CHARACTERISTICS
CT, Oscillator Timing Capacitor (nF)
Output Switch ON-OFF Time vs. Oscillator
Timing Capacitor
0.1
1
10
100
OFF TIME
VCC=5V
VIPK=VCC
PIN
5=GND
ON TIME
05
10
15
20
25
30
0
0.4
0.8
1.2
1.6
2
CT=1nF
VIPK=VCC
PIN 2=GND
VCC, Supply Voltage (V)
Standby Supply Current vs. Supply Voltage
Temperature (
°C)
VFB, Threshold Voltage vs Temperature
0
10
20
30
40
50
60
70
80
1.2
1.22
1.24
1.26
1.28
1.3
VCC = 5V,
CT = 1nF
PIN 2 = GND
250
260
270
280
290
300
310
320
330
340
350
IPK Threshold Voltage vs Temperature
Temperature (
°C)
0
10
2030
4050
60
70
80
VCC = 5V
CT = 1nF
PIN 5 = GND
Emmiter-Follower Configuration Output Switch
Saturation Voltage vs Emmiter Current
IE, Emitter Current (A)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
0
0.5
1
1.5
VCC = 5V
PIN 1, 7, 8 = VCC
PIN 3, 5 = GND
IC, Collector Current (A)
1.5
Common-Emitter Configuration Output Switch
Saturation Voltage vs Collector Current
VCC = 5V
PIN 7 = VCC
PIN 2, 3, 5 = GND
Forced Beta = 20
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
00.5
1
VCC = 5.0V
PIN 7 =VCC
PINS 2, 3, 5 = GND
Darlington Connection
Forced Beta = 20




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