Fujitsu MB3891, Datasheet

Page: 10 / 29

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