MB3891 Datasheet, PDF (5/29 Pages) Fujitsu Component Limited. – Power Management IC for GSM Mobile Phone

MB3891
s BLOCK DIAGRAM
VBAT2
20
VBAT1
8 9 10 11
CONT1 14
Over
Temp
Protection
LDO1
OUT
ON
12
OUT1
13
Main
UVLO
CONT6 15
CONT2 16
POR
LDO2
OUT
ON
17 XPOWERGOOD
18 DELAYCAP
19 GND1
6 _OUT2
7
SW1-ON 53
SW2-ON 54
SW3-ON 55
CONT3 56
CONT5 57
CONT4 44
VREF 22
VFIL 23
REF-OUT 24
RESET-IN 33
CLK-IN 34
µP-IO 35
RST 36
CLK 37
SIM-IO 38
VCC-VSIM 25
VSIM-ON 26
SIMPROG 27
OSC 28
VREF
VREF-AMP
+
−
GSM/SIM
Logic
Level
Translation
VSIMOUT
Charge-pump
32
GND-VSIM
29
VSIMOUT
SW1
SW2
SW3
LDO3
OUT
ON
LDO4
OUT
ON
CONT4
LDO5
ON ^OUT
BACKUP
UVLO
LDO6
ON ^OUT
46 SW1-INPUT
45 SW1-OUTPUT
52 SW2-INPUT
51 SW2-OUTPUT
48 SW3-INPUT
47 SW3-OUTPUT
60
61 VBAT3
62
3
4 ^OUT3
5 GND3
42
43 ^VBAT4
40 _OUT4
41
39 GND4
58 OUT5
59 GND5
21 V-BACKUP
30 VCAP+
31 VCAP−
N.C.
Pin : 1, 2, 49, 50, 63, 64
5