HA17431 Hitachi Semiconductor, HA17431 Datasheet - Page 13

• Manufacturer Part Number: HA17431
• Description: Regarding the change of names mentioned in the document/ such as Hitachi Electric and Hitachi XX/ to Renesas Technology Corp.
• Manufacturer: Hitachi Semiconductor

HA17431PJ/PAJ/FPJ/FPAJ/P/PA/UA/UPA/FP/FPA/PNA/PNAJ, HA17432UA/UPA
Oscillation Stability vs. Load Capacitance between Anode and Cathode
150
100
50
0.0001
Open Loop Voltage Gain, Phase vs. Frequency Characteristics (1)
0
Open Loop Voltage Gain, Phase vs. Frequency Characteristics (2)
60
50
40
30
20
10
10
–4
0
Stable
8
5
0
region
10
10
Vin
200 µF
(When a feedback capacitance (Cf) is provided)
0.001
50 Ω
10 µF
Vin
2.4 kΩ
15 kΩ
100
Load capacitance C
Cf = 0.22 µF
220 Ω
(With no feedback capacitance)
8.2 kΩ
Cf
φ
+
–
100
G
GND
Gυ
GND
Frequency f (Hz)
2 k
V
Frequency f (Hz)
20 V
Vout
Oscillation
Vout
1 k
0.01
region
C
L
V
10 k
L
φ
CC
Gυ
(µF)
1 k
0.1
Cf = 0.022 µF
100 k
I
I
K
K
= 5 mA
= 10 mA
1.0
Rev.1, Sep. 2002, page 11 of 24
1.5
10 k
2.0
0
90
180
180
270
360
HA17431 Series