Vbat3 - Fujitsu MB3891 Datasheet

Reference voltage vs. power supply voltage
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0 1 2 3 4
Power supply voltage V
Power supply current vs. power supply voltage
(VSIMOUT Chargepump)
100000
10000
1000
100
10
1
0 1 2
Power supply voltage V
Output voltage vs. power supply voltage
(VSIMOUT Chargepump)
5
SIMPROG =
VSIMOUT = No load
4
3
SIMPROG =
VSIMOUT = No load
2
1
0
0 1 2 3 4
Power supply voltage V
Ta 25 C
VFIL 0.1 F
5 6 7
(V)
BAT
100000
VSIMOUT 510
VSIMOUT No load
Ta 25 C
VBAT 3.6 V
VSIM-ON
"H"
SIMPROG
"H"
3 4 5
(V)
CC-VSIM
"H"
"L"
Ta 25 C
VBAT 3.6 V
VSIM-ON
"H"
5 6 7
(V)
CC-VSIM
Reference voltage vs. ambient temperature
1.24
1.23
1.22
1.21
1.20
1.19
40 20 0
20
Ambient temperature Ta ( C)
Power supply current vs. power supply voltage
(VSIMOUT Chargepump)
10000
1000
100
10
1
0 1 2
Power supply voltage V
MB3891
VBAT 3.6 V
40 60 80 100
VSIMOUT 510
VSIMOUT No load
Ta 25 C
VBAT 3.6 V
VSIM-ON
"H"
SIMPROG
"L"
3 4 5
(V)
CC-VSIM
(Continued)
17