Typical characteristics, Rt terminal, Error amplifier threshold voltage – FUJITSU MB39A105 User Manual
Page 7: Triangular wave oscillation frequency
MB39A105
7
■
■
■
■
TYPICAL CHARACTERISTICS
(Continued)
Power supply current I
CC
(mA)
Power supply current I
CC
(mA)
Power Supply Current vs. Power Supply Voltage
Power Supply Current vs. RT Terminal Current
Power supply voltage V
CC
(V)
RT terminal
current I
RT
(
µ
A)
Error Amplifier Threshold
Voltage
V
TH
(V)
Power supply voltage V
CC
(V)
Error Amplifier Threshold Voltage vs.
Power Supply Voltage
Error Amplifier Threshold
Voltage
V
TH
(V)
Error Amplifier Threshold Voltage vs.
Ambient Temperature
Ambient temperature Ta (
°
C)
Triangular Wave Oscillation
Frequency
f
OS
C
(kHz)
Ta
=
+
25
°
C
RT
=
7.5 k
Ω
5
4
3
2
1
0
0
2
4
6
8
10
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
10
20
30
40
50
Ta
=
+
25
°
C
VCC
=
3.3 V
I
CC
Ta
=
+
25
°
C
VCC
=
3.3 V
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
2
4
6
8
10
VCC
=
3.3 V
RT
=
7.5 k
Ω
0.52
0.51
0.50
0.49
0.48
−
40
−
20
0
20
40
60
80
100
Ta
=
+
25
°
C
RT
=
7.5 k
Ω
600
550
500
450
400
1
2
3
4
5
6
7
Triangular Wave Oscillation Frequency vs.
Power supply voltage
Power supply voltage V
CC
(V)