FUJITSU MB3891 - Manual (Page 14)

MB3891
14
0
− 20
− 40
−
60
−
80
−
100
10 100 1 k 10 k 100 k 1 M
Ta = + 25 ° C
VBAT
=
3.6 V
OUT1
=
1
µ
F
OUT1
=
18
Ω
CONT1 =
“L”
CONT6 = OPEN
0
− 20
− 40
− 60
− 80
− 100
10 100 1 k 10 k 100 k 1 M
Ta
= +
25
°
C
VBAT
=
3.6 V
OUT1 = 1 µ F
CONT1 =
“L”
CONT6
=
OPEN
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
−
50
−
100
−
150
−
200
VBAT = 2.1 V
CONT1 = OPEN
CONT6 =
“H”
Ta
= +
85
°
C
Ta = − 20 ° C
Ta = + 25 ° C
2.13
2.12
2.11
2.10
2.09
2.08
−
40
−
20 0 20 40 60 80 100
VBAT = 3.6 V
CONT1 = OPEN
CONT6 =
“H”
10
5
0
2.0
1.5
1.0
0.5
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUT1
VBAT
Ta
= +
25
°
C
OUT1
=
18
Ω
CONT1
=
“L”
CONT6
=
OPEN
Ripple rejection vs. frequency (LDO1) Ripple rejection vs. frequency (LDO1)
Ripple rejection R.R (dBm) Ripple rejection R.R (dBm)
Frequency f (Hz) Frequency f (Hz)
Dropout voltage vs. load current (LDO1)
Dropout voltage V
DO
(V)
Load current I
LOAD
(mA)
Output voltage vs. ambient temperature (LDO1)
Output voltage V
OUT1
(V)
Ambient temperature Ta (
°
C)
Output voltage rising waveforms (LDO1)
Power supply voltage V
BAT
t (ms)
Output voltage V
OUT1
(V)