MB3828 查看數據表（PDF） - Fujitsu

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MB3828

Pentium® DC/DC Converter IC

Fujitsu 

MB3828

ERR threshold (1.3 V setting) vs. Temperature characteristics

1.34

1.32

VCC = 16 V, VB = 5 V, RT = 130 kΩ

1.30

1.28

1.26

1.24

–40.0 –20.0 0.0 20.0 40.0 60.0 80.0 100.0

Temperature Ta (°C)

Error Amp. gain, Phase vs. Frequency characteristics

40

Ta = +25°C

VCC = 16 V

180

30

VB = 5 V

135

20

φ

90

10

45

0

AV

0

–10

–45

–20

–90

–30

–135

–40

–180

1K

10 K 100 K 1 M 10 M

Frequency f (HZ)

Error Amp.

3V

10 kΩ

IN 1 µF 2.4 kΩ

VREF

240 kΩ

–

+

+

10 kΩ

1.5 V

OUT

(Continued)

12

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