Mb3891 – FUJITSU MB3891 User Manual
Page 11
MB3891
11
(Ta
=
+
25
°
C, VBAT1 to VBAT4
=
VCC-VSIM
=
3.6 V)
(Continued)
Parameter
Symbol Pin No.
Conditions
Value
Unit
Min.
Typ.
Max.
VSIMOUT
chargepump
Ripple rejection
∆
VCC-VSIM/
∆
VSIMOUT
R.R
29
f
=
217 Hz
30
dB
Output current
I
O
29
3.1 V < VCC-VSIM < 5.5 V,
VSIMOUT
=
5 V
10
mA
I
O
29
3.1 V < VCC-VSIM < 5.5 V,
VSIMOUT
=
3 V
6
mA
GND current at
no load
I
GND
32
VSIMOUT
>
−
50
µ
A
100
µ
A
Efficiency at
max. load
η
25, 29
VSIMOUT
=
−
10 mA,
VSIMOUT
=
5 V
85
%
Output ripple
voltage
V
RP
29
f
=
10 Hz to 1 MHz,
VSIMOUT
=
10
µ
F
100
mV
PP
Shutdown sup-
ply current
I
LDO
25
VSIM-ON
=
“L”
100
nA
GSM/SIM
logic level
translation
µ
p interface
Input voltage
V
IH
33, 34,
35
0.7
×
OUT1
OUT1
V
V
IL
33, 34,
35
0
0.3
×
OUT1
V
Output voltage
V
OH
35
µ
P-IO (max.)
=
−
20
µ
A
0.8
×
OUT1
OUT1
V
V
OL
35
µ
P-IO (max.)
=
1 mA
0
0.2
×
OUT1
V