Fujitsu MB3891 Cell Phone Accessories User Manual


 
MB3891
16
(Continued)
2.0
1.5
1.0
0.5
0.0
2
1
0
0.0 0.5
1.0
1.5 2.0 2.5
3.0
3.5 4.0 4.5
5.0
OUT1 = −120 mA 0 A
VC
OUT1
Ta = +25°C
VBAT = 3.6 V
CONT1 = “L”
CONT6 = OPEN
VBAT = 3.6 V
VREF = 1.225 V
LDO1
OUT1
1 µF
120 mA
4 V
0 V
VC
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3
2
1
0
OUT2
V
C
0 102030405060708090100
OUT2 = 0 A 50 mA
Ta = +25°C
VBAT = 3.6 V
CONT1 =
“L”
CONT2 = “H”
CONT6 = OPEN
VBAT = 3.6 V
VREF = 1.225 V
LDO2
OUT2
1 µF
50 mA
4 V
0 V
VC
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3
2
1
0
0 102030405060708090100
OUT2
VC
OUT2 = −50 mA 0 A
Ta = +25°C
VBAT = 3.6 V
CONT1 =
“L”
CONT2 = “H”
CONT6 = OPEN
VBAT = 3.6 V
VREF = 1.225 V
LDO2
OUT2
1 µF
50 mA
4 V
0 V
VC
Waveform at rapid change of output load (LDO1)
Output voltage VOUT1 (V)
t (ms)
NPN Collector voltage VC (V)
[Measurement diagram]
(IC internal)
Waveform at rapid change of output load (LDO2)
Output voltage VOUT2 (V)
t (µs)
NPN Collector voltage VC (V)
[Measurement diagram]
(IC internal)
Waveform at rapid change of output load (LDO2)
Output voltage VOUT2 (V)
t (ms)
NPN Collector voltage VC (V)
[Measurement diagram]
(IC internal)