MB39A104
Triangular Wave Oscillation Frequency
vs. Timing Resistor
Triangular wave oscillation
frequency f
OSC
(kHz)
10000
Triangular Wave Oscillation Frequency
vs. Timing Capacitor
10000
Triangular wave oscillattion
frequency f
OSC
(kHz)
Ta
= +25 °C
VCC
=
12 V
CTL
=
5 V
Ta
= +25 °C
VCC
=
12 V
CTL
=
5 V
1000
CT
=
39 pF
100
CT
=
560 pF
CT
=
220 pF
CT
=
100 pF
1000
RT
=
11 kΩ
100
RT
=
130 kΩ
RT
=
24 kΩ
RT
=
68 kΩ
10
1
10
100
1000
10
10
100
1000
10000
Timing resistor R
T
(kΩ)
Timing capacitor C
T
(pF)
Triangular Wave Upper and Lower Limit Voltage
vs. Triangular Wave Oscillation Frequency
3.2
Triangular Wave Upper and Lower Limit Voltage
vs. Ambient Temperature
3.2
Triangular wave upper and
lower limit voltage V
CT
(V)
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
0
Triangular wave upper and
lower limit voltage V
CT
(V)
Ta
= +25 °C
VCC
=
12 V
CTL
=
5 V
RT
=
47 kΩ
Upper
VCC
=
12 V
3.0 CTL
=
5 V
2.8 RT
=
24 kΩ
CT
=
100 pF
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
−40
−20
0
20
40
60
Upper
Lower
Lower
80
100
200
400
600
800 1000 1200 1400 1600
Triangular wave oscillation frequency f
OSC
(kHz)
Ambient temperature Ta (
°C)
Triangular Wave Oscillation Frequency
vs. Ambient Temperature
Triangular wave oscillation
frequency f
OSC
(kHz)
Triangular wave oscillation
frequency f
OSC
(kHz)
560
540
520
500
480
460
440
−40
VCC
=
12 V
CTL
=
5 V
RT
=
24 kΩ
CT
=
100 pF
Triangular Wave Oscillation Frequency
vs. Power supply voltage
560
540
520
500
480
460
440
0
5
10
15
20
Ta
= +25 °C
CTL
=
5 V
RT
=
24 kΩ
CT
=
100 pF
−20
0
20
40
60
80
100
Ambient temperature Ta (
°C)
Power supply voltage V
CC
(V)
(Continued)
9
FUJITSU [ FUJITSU COMPONENT LIMITED. ]
