HA17432UA 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HA17432UA Datasheet PDF : 26 Pages
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HA17431 Series
HA17431PJ/PAJ/FPJ/FPAJ/P/PA/UA/UPA/FP/FPA/PNA/PNAJ, HA17432UA/UPA
Oscillation Stability vs. Load Capacitance between Anode and Cathode
150
1.5
100 Stable
region
Oscillation
region
50
VCC
CL
0
0.0001
0.001
0.01
0.1
1.0 2.0
Load capacitance CL (µF)
Open Loop Voltage Gain, Phase vs. Frequency Characteristics (1)
(With no feedback capacitance)
60
GV
50
IK = 10 mA
0
40
φ
30
90
20
220 Ω
15 kΩ
10
10 µF
Vout
Vin 8.2 kΩ GND
180
0
10
100
1k
10 k 100 k
Frequency f (Hz)
Open Loop Voltage Gain, Phase vs. Frequency Characteristics (2)
(When a feedback capacitance (Cf) is provided)
10
IK = 5 mA
Gυ
8
Gυ
180
Cf = 0.022 µF
5
φ
Cf = 0.22 µF
270
0 200 µF
2k
Cf + Vout
2.4 kΩ
20 V
–
Vin
50 Ω
GND
–4
10
100
1k
360
10 k
Frequency f (Hz)
Rev.1, Sep. 2002, page 11 of 24
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