Mb3891 – FUJITSU MB3891 User Manual

Page 10

Advertising
background image

MB3891

10

(Ta

=

+

25

°

C, VBAT1 to VBAT4

=

VCC-VSIM

=

3.6 V)

(Continued)

Parameter

Symbol Pin No.

Conditions

Value

Unit

Min.

Typ.

Max.

LDO6

(V-BACKUP)

Output voltage

V

O

21

10

µ

A

>

V-BACKUP

>

250

µ

A

2.000 2.100 2.200

V

Line regulation

Line

21

3.1 V < VBAT2 < 5.5 V

10

mV

Load regulation

Load

21

10

µ

A

>

V-BACKUP

>

250

µ

A

30

mV

Ripple rejection

VBAT2/

V-BACKUP

R.R

21

f

=

217 Hz

25

dB

GND current at
low load

I

GND

19

V-BACKUP

>

10

µ

A

10

µ

A

GND current at
max. load

I

GND

19

V-BACKUP

=

250

µ

A

50

µ

A

Output noise volt.
(RMS)

V

NOVL

21

f

=

10 Hz to 1 MHz,

V-BACKUP

=

1

µ

F

500

µ

V

Reverse current

I

RC

21

VBAT2

=

0 V,

V-BACKUP

=

3.0 V

100

nA

REF-OUT

Output voltage

V

O

24

0

µ

A

>

REF-OUT

>

50

µ

A

1.200 1.225 1.250

V

Line regulation

Line

24

3.1 V < VBAT2 < 5.5 V

10

mV

Load regulation

Load

24

0

µ

A

>

REF-OUT

>

50

µ

A

6

mV

Ripple rejection

VBAT2/

REF-OUT

R.R

24

f

=

217 Hz

50

dB

Output noise volt.
(RMS)

V

NOVL

24

f

=

10 Hz to 1 MHz,

REF-OUT

=

27 nF

250

µ

V

VSIMOUT

chargepump

Output voltage

V

O

29

50

µ

A

>

VSIMOUT

>

10 mA,

SIMPROG

=

“H”

4.600 5.000 5.400

V

V

O

29

50

µ

A

>

VSIMOUT

>

10 mA,

SIMPROG

=

“L”

2.760 3.000 3.240

V

Line regulation

Line

29

3.1 V < VCC-VSIM < 5.5 V

50

mV

Load regulation

Load

29

50

µ

A

>

VSIMOUT

>

10 mA

100

mV

Advertising