Mb3878 – FUJITSU MB3878 User Manual

Page 11

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MB3878

11

(Continued)

+

− +

VCC

=

19 V

Error Amp.1

(Error Amp.2)

(3)

(5)

(4)

2.5 V

10 k

2.4 k

240 k

10 k

5.2 V

1

µ

F

OUT

IN

φ

A

V

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 V

12.6 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

A

V

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 A

V

(dB)

Frequency f (Hz)

Phase

φ

(deg)

Current detection amplifier gain and phase

vs. frequency

Gain A

V

(dB)

Frequency f (Hz)

Phase

φ

(deg)

Power dissipation vs. ambient temperature

Power dissipation P

D

(mW)

Ambient temperature Ta (

°

C)

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