MB3891 Datasheet, PDF (18/29 Pages) Fujitsu Component Limited. – Power Management IC for GSM Mobile Phone

MB3891
3.00
2.99
2.98
2.97
2.96
2.95
2.94
2.93
2.92
2.91
2.90
0
Output voltage vs. load current
(VSIMOUT Chargepump)
VCC-VISM = 5.5 V
Ta = +25 °C
VSIM-ON = “H”
SIMPROG = “L”
VCC-VISM = 3.1 V
VCC-VISM = 3.6 V
−5
−10
−15
−20
Load current ILOAD (mA)
Ripple rejection vs. frequency
(VSIMOUT Chargepump)
0
−20
−40
−60
−80
−100
10
Ta = +25 °C
VBAT = VCC-VSIM = 3.6 V
VSIM-ON = “H”
SIMPROG = “H”
VCAP+  VCAP− = 0.1 µF
VSIMOUT = 10 µF
VSIMOUT = 510 Ω
100
1k
10 k 100 k 1 M
Frequency f (Hz)
Ripple rejection vs. frequency
(VSIMOUT Chargepump)
0
−20
−40
−60
−80
−100
10
Ta = +25 °C
VBAT = VCC-VSIM = 3.6 V
VSIM-ON = “H”
SIMPROG = “L”
VCAP+  VCAP− = 0.1 µF
VSIMOUT = 10 µF
VSIMOUT = 510 Ω
100
1k
10 k 100 k 1 M
Frequency f (Hz)
18
Output voltage vs. load current
(VSIMOUT Chargepump)
5.00
Ta = +25 °C
4.95 _{VSIM-ON = “H”}
4.90 ^{SIMPROG = “H”}
4.85
VCC-VISM = 5.5 V
4.80
4.75
VCC-VISM = 3.1 V
4.70
VCC-VISM
= 3.6 V
4.65
4.60
0
−5
−10
−15
−20
Load current ILOAD (mA)
Ripple rejection vs. frequency
(VSIMOUT Chargepump)
0
Ta = +25 °C
VBAT = VCC-VSIM = 3.6 V
−20
VSIM-ON = “H”
SIMPROG = “H”
VCAP+  VCAP− = 0.1 µF
−40
VSIMOUT = 10 µF
−60
−80
−100
10
100
1k
10 k 100 k 1 M
Frequency f (Hz)
Ripple rejection vs. frequency
(VSIMOUT Chargepump)
0
Ta = +25 °C
VBAT = VCC-VSIM = 3.6 V
−20
VSIM-ON = “H”
SIMPROG = “L”
VCAP+  VCAP− = 0.1 µF
−30
VSIMOUT = 10 µF
−40
−80
−100
10
100
1k
10 k 100 k 1 M
Frequency f (Hz)
(Continued)