MB3891 Datasheet, PDF (11/29 Pages) Fujitsu Component Limited. – Power Management IC for GSM Mobile Phone

MB3891
Parameter
Symbol Pin No.
(Ta = +25 °C, VBAT1 to VBAT4 = VCC-VSIM = 3.6 V)
Conditions
Value
Unit
Min. Typ. Max.
Ripple rejection
∆VCC-VSIM/
R.R
∆VSIMOUT
29 f = 217 Hz
30

 dB
IO
Output current
IO
VSIMOUT
chargepump
GND current at
no load
IGND
29
3.1 V < VCC-VSIM < 5.5 V,
VSIMOUT = 5 V
10
29
3.1 V < VCC-VSIM < 5.5 V,
VSIMOUT = 3 V
6
32 VSIMOUT > −50 µA


 mA

 mA
 100 µA
Efficiency at
max. load
η
25, 29
VSIMOUT = −10 mA,
VSIMOUT = 5 V
85


%
Output ripple
voltage
VRP
29
f = 10 Hz to 1 MHz,
VSIMOUT = 10 µF


100 mVPP
Shutdown sup-
ply current
ILDO
25 VSIM-ON = “L”

 100 nA
VIH
33, 34,
35

Input voltage
GSM/SIM
logic level
VIL
33, 34,
35

translation
µp interface
VOH
35 µP-IO (max.) = −20 µA
Output voltage
VOL
35 µP-IO (max.) = 1 mA
0.7 ×
OUT1

OUT1 V
0

0.3 ×
OUT1
V
0.8 ×
OUT1

OUT1 V
0

0.2 ×
OUT1
V
(Continued)
11