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MB3878
11
(Continued)
−
+
−+
VCC = 19 V
Error Amp.1
(Error Amp.2)
(3)
(5)
(4)
2.5 V
10 kΩ
2.4 kΩ
240 kΩ
10 kΩ
5.2 V
1 µF
OUT
IN
φ
AV
Ta = +25 °C
40
20
0
−20
−40
180
90
0
−90
−180
1 k 10 k 100 k 1 M 10 M
7
8
9
VCC = 19 V
Current Amp.1
(Current Amp.2)
+
−
(1)
(2)
(24)
×25
12.55 V12.6 V
OUT
φ
Ta = +25 °C
40
20
0
−20
−40
180
90
0
−90
−180
1 k 10 k 100 k 1 M 10 M
AV
10
13
12
800
740
700
600
500
400
300
200
100
0
−40 −20 0 20 40 60 80 100
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)
Power dissipation vs. ambient temperature
Power dissipation PD (mW)
Ambient temperature Ta ( °C)