Fujitsu MB3891 Manuel D’Utilisation
MB3891
8
(Ta
=
+
25
°
C, VBAT1 to VBAT4
=
VCC-VSIM
=
3.6 V)
(Continued)
Parameter
Symbol
Pin
No.
Conditions
Value
Unit
Min.
Typ.
Max.
LDO1
(OUT1)
Output voltage
V
O
12, 13
−
50
µ
A
>
OUT1
>
−
120 mA 2.000 2.100 2.200
V
Line regulation
Line
12, 13 3.1 V < VBAT1 < 5.5 V
10
mV
Load reguration
Load
12, 13
−
50
µ
A
>
OUT1
>
−
120 mA
30
mV
Ripple rejection
∆
VBAT1/
∆
OUT1
R.R
12, 13 f
=
217 Hz
45
dB
Dropout voltage
V
DO
12, 13 OUT1
=
−
120 mA
500
mV
GND current at low load
I
GND
19
OUT1
>
−
1 mA
30
µ
A
GND current at max. load
I
GND
19
OUT1
=
−
120 mA
2
mA
Output noise volt. (RMS)
V
NOVL
12, 13
f
=
10 Hz to 1 MHz,
OUT1
=
1
µ
F
500
µ
V
XPOWER-
GOOD
(RESET)
Output voltage
V
OH
17
0.8
×
OUT1
OUT1
V
V
OL
17
0
0.1
×
OUT1
V
Hold time
T
XPG
17
DELAYCAP
=
0.033
µ
F
10
25
40
ms
LDO2
(OUT2)
Output voltage
V
O
6, 7
−
50
µ
A
>
OUT2
>
−
50 mA 2.700 2.800 2.900
V
Line regulation
Line
6, 7
3.1 V < VBAT1 < 5.5 V
10
mV
Load regulation
Load
6, 7
−
50
µ
A
>
OUT2
>
−
50 mA
30
mV
Ripple rejection
∆
VBAT1/
∆
OUT2
R.R
6, 7
f
=
217 Hz
45
dB
Dropout voltage
V
DO
6, 7
OUT2
=
−
50 mA
250
mV
GND current at low load
I
GND
19
OUT2
>
−
1 mA
30
µ
A
GND current at max. load
I
GND
19
OUT2
=
−
50 mA
1
mA
Output noise volt. (RMS)
V
NOVL
6, 7
f
=
10 Hz to 1 MHz,
OUT2
=
1
µ
F
350
µ
V
General
purpose
switches
Input/Output resistance
R
SW1
45, 46
SW1-INPUT
=
2.8 V
(Gate/Source
=
2.8 V)
4.0
Ω
R
SW2
51, 52
SW2-INPUT
=
2.8 V
(Gate/Source
=
2.8 V)
7.0
Ω
R
SW3
47, 48
SW3-INPUT
=
2.8 V
(Gate/Source
=
2.8 V)
7.0
Ω