MB3769A
■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Fig. 30 -“H”, “L” level Output Voltage vs.
Fig. 29 -Oscillator Frequency vs. RT, CT
Oscillator Frequency
700
4
3
2
VH
500
400
VCC = 15 V
TA = 25 °C
VH
VL
CT = 100 pF
300
200
VL
1
0
CT = 680 pF
CT = 220 pF
20 k
50 k 100 k 200 k
Frequency fOSC (Hz)
500 k 1 M
100
90
80
CT = 1000 pF
70
60
Fig. 32 -Oscillator Frequency vs. Temp.
VCC = 15 V
100 kHz
50
40
4
2
0
30
20
CT = 2200 pF
300 kHz
500 kHz
7 8 9 10
20
30 40 50
70
60
RT (kΩ)
-2
Target
fOSC = 100 kHz
±2 % typ.
-4
-30
0
25
50
85
Fig. 31 -Duty Cycle vs. Dead Time Control
Voltage
Temp. TA (°C)
100
VCC = 15 V
CT = 1000 pF
TA = 25 °C
Fig. 33 -Dead Time Control Voltage vs.
Current(Standby Mode)
fOSC = 200 kHz
fOSC = 500 kHz
80
60
40
20
5.0
VCC = 7 V
TA = 25 °C
4.0
3.0
2.0
1.0
0
0
1
2
3
4
5
0
-0.2 -0.4 -0.6 -0.8 -1.0 -1.2
Dead Time Control Current IDTC (mA)
Dead Time Control Voltage VDTC (V)
21
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