BA9700A / BA9700AF / BA9700AFV
Regulator ICs
!
Electrical characteristic curves
1M
1M
4.00
3.50
100k
FREQUENCY (Hz)
(Hz)
C
T
= 220pF
100k
R
T
R
T
=
Ω
R
T
= 20kΩ
Vref (VOLTAGE)
10
k
3.00
2.50
2.00
1.50
1.00
0.50
FREQUENCY
10k
C
T
= 2200pF
=
10k
30
k
Ω
1k
C
T
= 0.022µF
1k
1k
10k
RT (Ω)
100k
1M
100p
1000p
CT (F)
0.01µ
0.1µ
0.00
5
10
15
20
25
V
CC
(V)
Fig.8
Oscillation frequency
characteristic vs. triangular
wave oscillator resistance (1)
Fig.9
Oscillation frequency
characteristic vs. triangular
wave oscillator resistance (2)
Fig.10
Output voltage vs. operating
voltage for the reference
voltage section
80
PHASE (DEG)
300
200
100
0
-100
-200
GA I N
(d B)
60
40
20
0
-20
-40
0
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Fig.11
Phase and gain vs. frequency
for the error amplifier
ROHM [ ROHM ]
