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MC34060 Datasheet

  • MC34060

  • ON Semiconductor [Fixed Frequency, PWM, Voltage Mode Single...

  • 133.92KB

  • ONSEMI

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MC34060A, MC33060A
A VOL , OPEN LOOP VOLTAGE GAIN (dB)
500 k
f osc , OSCILLATOR FREQUENCY (Hz)
V
CC
= 15 V
0.001
碌F
100 k
120
110
100
90
80
70
60
50
40
30
20
10
0
1.0
VCC = 15 V
鈭哣O
= 3.0 V
RL = 2.0 k鈩?/div>
A
VOL
胃
10 k
C
T
= 0.01
碌F
1.0 k
500
1.0 k
2.0 k
1.0
碌F
5.0 k 10 k 20 k
50 k 100 k 200 k 500 k 1.0 M
R
T
, TIMING RESISTANCE (鈩?
10
100
1.0 k
10 k
f, FREQUENCY (Hz)
100 k
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
1.0 M
Figure 3. Oscillator Frequency
versus Timing Resistance
Figure 4. Open Loop Voltage Gain and Phase
versus Frequency
% DT, PERCENT DEAD TIME, Q1 OUTPUT
20
18
14
12
10
8.0
6.0
4.0
2.0
0
500
1.0 k
10 k
100 k
f
osc
, OSCILLATOR FREQUENCY (Hz)
500 k
0.01
碌F
C
T
= 0.001
碌F
PERCENT DUTY CYCLE (%)
16
100
80
60
40
20
0
V
CC
= 15 V
C
T
= 0.001
R
T
= 47 k
0
1.0
2.0
3.0
DEAD-TIME CONTROL VOLTAGE (V)
Figure 5. Percent Deadtime versus
Oscillator Frequency
Figure 6. Percent Duty Cycle versus
Dead鈥揟ime Control Voltage
1.9
V CE(SAT) , SATURATION VOLTAGE (V)
V CE(SAT) , SATURATION VOLTAGE (V)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0
100
200
300
I
E
, EMITTER CURRENT (mA)
400
500
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0
100
200
300
400
I
C
, COLLECTOR CURRENT (mA)
500
Figure 7. Emitter鈥揊ollower Configuration
Output Saturation Voltage versus
Emitter Current
Figure 8. Common鈥揈mitter Configuration
Output Saturation Voltage versus
Collector Current
http://onsemi.com
7
胃
, EXCESS PHASE (DEGREES)
3.5

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