MB3891 Просмотр технического описания (PDF) - Fujitsu
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MB3891 Datasheet PDF : 29 Pages
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MB3891
s TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
400
Ta = +25 °C
350 CONT1 = “L”
CONT2 = “H”
300 CONT3 = “H”
CONT4 = OPEN
250 CONT5 = OPEN
CONT6 = OPEN
200 VSIM-ON = “H”
SIMPROG = “H”
150
100
50
0
0
1
2
OUT1 = No load
OUT2 = No load
OUT3 = No load
OUT4 = No load
OUT5 = No load
V-BACKUP = No load
VSIMOUT = No load
3
4
5
Power supply voltage VBAT (V)
Power supply current , GND current vs.
power supply voltage
450 Ta = +25 °C
400 CONT1 = OPEN
CONT2 = “H”
350 CONT3 = “H”
300
CONT4 = OPEN
CONT5 = OPEN
250
CONT6 = “H”
VSIM-ON = “H”
200 SIMPROG = “H”
150
100
50
0
0
1
2
IBAT
450
400
350
IGND
300
250
OUT1 = 18 Ω 200
OUT2 = 56 Ω
OUT3 = 28 Ω
150
OUT4 = 28 Ω 100
OUT5 = 56 Ω
V-BACKUP = 8.4 kΩ 50
VSIMOUT = 510 Ω 0
3
4
5
Power supply voltage VBAT (V)
Power supply current vs. power supply voltage
350 Ta = +25 °C
300
CONT1 = OPEN
CONT2 = “H”
CONT3 = “H”
250 CONT4 = OPEN
CONT5 = OPEN
200 CONT6 = “H”
VSIM-ON = “H”
150 SIMPROG = “H”
100
50
0
0
1
2
OUT1 = No load
OUT2 = No load
OUT3 = No load
OUT4 = No load
OUT5 = No load
V-BACKUP = No load
VSIMOUT = No load
3
4
5
Power supply voltage VBAT (V)
Output voltage vs. power supply
voltage (LDO1)
3.0
2.5
2.0
1.5
1.0
Ta = +25 °C
0.5
OUT1 = 1 µF
CONT1 = OPEN
CONT6 = “H”
0.0
0
1
2
3
4
5
6
7
Power supply voltage VBAT (V)
Output voltage vs. power supply voltage (LDO1)
3.0 Ta = +25 °C
2.5
OUT1 = 1 µF
CONT1 = “L”
2.0 CONT6 = OPEN
1.5
1.0
0.5
0.0
0
1
2
3
4
5
Power supply voltage VBAT (V)
Output voltage vs. load current (LDO1)
2.2
2.1
2.0
1.9
1.8
1.7
0
Ta = +25 °C
VBAT = 3.6 V
CONT1 = “L”
CONT6 = OPEN
−100 −200 −300 −400 −500 −600 −700 −800
Load current ILOAD (mA)
(Continued)
13
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