mc34063acs Analog Intergrations Corporation, mc34063acs Datasheet - Page 4

• Manufacturer Part Number: mc34063acs
• Description: Dc/dc Converter Control Circuit
• Manufacturer: Analog Intergrations Corporation

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ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
TYPICAL PERFORMANCE CHARACTERISTICS
1.28
1.26
1.24
1.22
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.3
1.2
0.1
0
0
Output Switch ON-OFF Time vs. Oscillator
Emmiter-Follower Configuration Output Switch
VCC = 5V
PIN 1, 7, 8 = VCC
PIN 3, 5 = GND
VCC = 5V,
C
PIN 2 = GND
10
VCC=5V
V
PIN
T
V
Saturation Voltage vs Emmiter Current
IPK
= 1nF
FB


=VCC
5=GND
C
, Threshold Voltage vs Temperature
T
20
, Oscillator Timing Capacitor (nF)
0.5
1
I
Timing Capacitor
E
, Emitter Current (A)
30
Temperature ( C)
ON TIME
40
50
OFF TIME
1
10
60
70
1.5
100
80
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0.2
1.4
1.2
1.0
0.8
0.6
0.4
0
350
340
330
320
310
300
290
280
270
260
250
1.6
1.2
0.8
0.4
2
0
DC/DC CONVERTER CONTROL CIRCUIT
0
0
0
VCC = 5V
PIN 7 = VCC
PIN 2, 3, 5 = GND
Forced Beta = 20
VCC = 5.0V
PIN 7 =VCC
PINS 2, 3, 5 = GND
Standby Supply Current vs. Supply Voltage
Common-Emitter Configuration Output Switch
VCC = 5V
C
PIN 5 = GND
10
T
IPK Threshold Voltage vs Temperature
= 1nF
Saturation Voltage vs Collector Current
5
20
0.5
VCC, Supply Voltage (V)
I
10
C
, Collector Current (A)
Temperature ( C)
30
40
15
C
V
PIN 2=GND
T
IPK
SPEC NO: DS34063A-00
MC34063A
=1nF
Darlington Connection
=VCC
50
1
20
Forced Beta = 20
60
25
70
1.5
80
30
4