MB3891 Datasheet, PDF (20/29 Pages) Fujitsu Component Limited. – Power Management IC for GSM Mobile Phone

MB3891
Output voltage rising waveforms
(VSIMOUT Chargepump)
10
5
SIMPROG
0
VSIMOUT
5
4
3
2
Ta = +25 °C
1
VBAT = VCC-VSIM = 3.6 V
VSIMOUT = 510 Ω
0
VSIM-ON = “H”
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
t (ms)
Output voltage falling waveforms
(VSIMOUT Chargepump)
10
Ta = +25 °C
5
VBAT = VCC-VSIM = 3.6 V
SIMPROG = “H”
0
VSIMOUT = 510 Ω
5
VSIM-ON
4
3
2
1
VSIMOUT
0
0 5 10 15 20 25 30 35 40 45 50
t (ms)
Output voltage waveforms
(VSIMOUT Chargepump)
Ta = +25 °C
VBAT = VCC-VSIM = 3.6 V
VSIM-ON = “H”
40
SIMPROG = “H”
VSIMOUT = No load
AC COUPLED
20
0
−20
−40
Output voltage falling waveforms
(VSIMOUT Chargepump)
10
5
SIMPROG
0
5
4
VSIMOUT
3
2
Ta = +25 °C
1
VBAT = VCC-SIM = 3.6 V
VSIMOUT = 510 Ω
0
VSIM-ON = “H”
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
t (ms)
Output voltage falling waveforms
(VSIMOUT Chargepump)
10
Ta = +25 °C
5
VBAT = VCC-VSIM = 3.6 V
SIMPROG = “L”
0
VSIMOUT = 510 Ω
VSIM-ON
3
2
1
VSIMOUT
0
0 5 10 15 20 25 30 35 40 45 50
t (ms)
Output voltage waveforms
(VSIMOUT Chargepump)
Ta = +25 °C
VBAT = VCC-SIM = 3.6 V
VSIM-ON = “H”
SIMPROG = “L”
VSIMOUT = No load
20 ^{AC COUPLED}
0
−20
0 2 4 6 8 10 12 14 16 18 20
t (µs)
20
0 2 4 6 8 10 12 14 16 18 20
t (µs)
(Continued)