MC33368_05 Datasheet, PDF (5/16 Pages) ON Semiconductor – High Voltage GreenLine TM Power Factor Controller

MC33368
1.6
V_CC = 14 V
1.4 TA = 25°C
V_{Pin 4} = 4.0 V
= 3.75 V
1.2
= 3.5 V
1.0
0.8
= 3.25 V
0.6
= 3.0 V
= 2.75 V
= 2.5 V
0.4
0.2
0
−0.2
= 2.25 V
= 2.0 V
0.6
1.4
2.2
3.0
V_M, MULTIPLIER PIN 5 INPUT VOLTAGE (V)
Figure 2. Current Sense Input Threshold
versus Multiplier Input
0.08
0.07
V_{Pin 4} = 4.0 V
= 3.0 V
0.06
= 2.75 V
0.05
0.04
= 2.5 V
0.03
0.02
= 2.25 V
0.01
0
−0.12
= 2.0 V
−0.06
0
0.06
0.12
0.20
V_M, MULTIPLIER PIN 5 INPUT VOLTAGE (V)
Figure 3. Current Sense Input Threshold
versus Multiplier Input, Expanded View
16
V_CC = 14 V
12
8.0
4.0
0
−4.0
−55
−25 0
25
50
75 100 125
T_A, AMBIENT TEMPERATURE (°C)
Figure 4. Reference Voltage versus Temperature
110
V_CC = 14 V
109
108
107
106
−55
−25 0
25
50
75 100 125
T_A, AMBIENT TEMPERATURE (°C)
Figure 5. Overvoltage Comparator Input
Threshold versus Temperature
100
0
Phase
80
30
60
40
20
0
−20
10
Transconductance
V_CC = 14 V
V_O = 2.0 to 4.0 V
R_L = 10 kW
T_A = 25°C
100
1.0 k
10 k 100 k
f, FREQUENCY (Hz)
1.0 M
60
90
120
150
180
10 M
Figure 6. Error Amplifier Transconductance
and Phase versus Frequency
6.0 V
V_CC = 14 V
T_A = 25°C
4.0 V
2.0 V
0V
−1.0 V
5.0 ms/DIV
Figure 7. Error Amplifier Transient Response
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5