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MB3887
14
(Continued)
−
+
7
8
9
+
OUT
IN
(5)
(4)
(3)
240 kΩ
2.4 kΩ
10 kΩ
10 kΩ10 kΩ
10 kΩ
Error Amp1
(Error Amp2)
4.2 V
VCC = 19 V
1 µF
Ta = +25 °C
AV
φ
40
20
0
−20
−40
180
90
0
−90
−180
1 k 10 k 100 k 1 M 10 M
−
+
+
15
16
22
+
OUT
IN
240 kΩ
2.4 kΩ
10 kΩ
10 kΩ10 kΩ
10 kΩ
Error Amp3
4.2 V
4.2 V
VCC = 19 V
1 µF
Ta = +25 °C
A
V
φ
40
20
0
−20
−40
180
90
0
−90
−180
1 k 10 k 100 k 1 M 10 M
Ta = +25 °C
A
V
φ
40
20
0
−20
−40
180
90
0
−90
−180
1 k 10 k 100 k 1 M 10 M
+
−
10
13
12
VCC = 19 V
×20
(24)
(1)
(2)
OUT
12.55 V12.6 V
Current Amp1
(Current Amp2)
Error amplifier gain and phase vs. Frequency
Gain AV (dB)
Frequency f (Hz)
Phase φ (deg)
Current detection amplifier gain and phase vs. Frequency
Gain AV (dB)
Frequency f (Hz)
Phase φ (deg)
Error amplifier gain and phase vs. Frequency
Gain AV (dB)
Frequency f (Hz)
Phase φ (deg)