Mb3878 – FUJITSU MB3878 User Manual

Page 7

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background image

MB3878

7

(Ta

=

+

25

°

C, VCC

=

19 V, VCC (O)

=

19 V, VREF

=

0 mA)

* : Standard design value.

(Continued)

Parameter

Symbol

Pin

No.

Conditions

Value

Unit

Min

Typ

Max

Error amplifier
block
(Error Amp.3)

Threshold voltage

V

TH1

16

FB3

=

2 V, Ta

=

+

25

°

C

4.167

4.200

4.233

V

V

TH2

16

FB3

=

2 V,

Ta

=

30

°

C to

+

85

°

C

4.158

4.200

4.242

V

Input current

I

INE3

16

INE3

=

0 V

100

30

nA

Voltage gain

A

V

15

DC

100*

dB

Frequency
bandwidth

B

W

15

A

V

=

0 dB

2.0*

MHz

Output voltage

V

FBH

15

4.7

4.9

V

V

FBL

15

20

200

mV

Output source
current

I

SOURCE

15

FB3

=

2 V

2.0

0.6

mA

Output sink current

I

SINK

15

FB3

=

2 V

150

300

µ

A

OUTD pin output
leak current

I

LEAK

11

OUTD

=

16.8 V

0

1

µ

A

OUTD pin output
ON resistor

R

ON

11

OUTD

=

1 mA

70

100

Current
detection
amplifier block
(Current Amp.1,
Current Amp.2)

Input current

I

+

INCH

13,

24

+

INC1

=

+

INC2

=

12.7 V,

INC1

=

INC2

=

12.6 V

10

20

µ

A

I

INCH

1,

12

+

INC1

=

+

INC2

=

12.7 V,

INC1

=

INC2

=

12.6 V

0.1

0.2

µ

A

I

+

INCL

13,

24

+

INC1

=

+

INC2

=

0.1 V,

INC1

=

INC2

=

0 V

130

65

µ

A

I

INCL

1,

12

+

INC1

=

+

INC2

=

0.1 V,

INC1

=

INC2

=

0 V

140

70

µ

A

Current detection
voltage

V

OUTC1

2,

10

+

INC1

=

+

INC2

=

12.7 V,

INC1

=

INC2

=

12.6 V

2.25

2.5

2.75

V

V

OUTC2

2,

10

+

INC1

=

+

INC2

=

12.63 V,

INC1

=

INC2

=

12.6 V

0.50

0.75

1.00

V

V

OUTC3

2,

10

+

INC1

=

+

INC2

=

0.1 V,

INC1

=

INC2

=

0 V

1.25

2.50

3.75

V

V

OUTC4

2,

10

+

INC1

=

+

INC2

=

0.03 V,

INC1

=

INC2

=

0 V

0.125

0.750

1.375

V

Common mode
input voltage
range

V

CM

1,

12,
13,

24

0

Vcc

V

Voltage gain

A

V

2,

10

+

INC1

=

+

INC2

=

12.7 V,

INC1

=

INC2

=

12.6 V

22.5

25

27.5

V/V

Frequency
bandwidth

B

W

2,

10

A

V

=

0 dB

2.0*

MHz

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