MB3893APFT Ver la hoja de datos (PDF) - Fujitsu
Número de pieza
componentes Descripción
Fabricante
MB3893APFT Datasheet PDF : 44 Pages
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MB3893A
(Continued)
Ripple rejection vs. Frequency (1) (REG1 No-Load)
0 Ta = +25 °C
−10 VCC = 3.6 V (VIN = 0.2 Vrms)
−20
VFIL = 0.1 µF
ICONT = "H"
−30
−40
−50 OUT1 = 0.66 µF
−60 OUT1 = 1.00 µF
−70
−80
OUT1 = 10.0 µF
100
1k
10 k
100 k
1M
Frequency f (Hz)
Ripple rejection vs. Frequency (2) (REG1 Load)
0
Ta = +25 °C
−10 VCC = 3.6 V (VIN = 0.2 Vrms)
−20 OUT1 = 36 Ω
VFIL = 0.1 µF
−30 ICONT = "H"
−40
OUT1 = 1.00 µF
−50 OUT1 = 0.66 µF
−60 OUT1 = 10.0 µF
−70
−80
100
1k
10 k
100 k
1M
Frequency f (Hz)
Output voltage rising waveforms
(REG1 Battery Load)
5.0
4
4.5
VCC
4.0
3.5
Ta = +25 °C 3
OUT1 = 1.0 µF 2
ICONT = "H" 1
3.0
VFIL = 0.01 µF
0
2.5
2.0
1.5
VFIL = 0.1 µF
1.0
0.5
0.0
0123456 7
Time t (ms)
Output voltage falling waveforms
(REG1 ON/OFF Control)
5.0
4
4.5 POFF
3
4.0
3.5
3.0
2.5
OUT1
2.0
Ta = +25 °C 2
VCC = 3.6 V 1
OUT1 = 1.0 µF 0
ICONT = "H"
1.5
1.0
0.5
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Time t (s)
Noise vs. Load current (REG1)
Noise vs. VFIL capacitor (REG1)
180
160
140
120
100
80
60
40
20
0
1µ
Ta = +25 °C
VCC = 3.6 V
OUT1 = 1.0 µF
ICONT = "H"
VFIL = 0.001 µF
VFIL = 0.01 µF
VFIL = 0.1 µF
10 µ 100 µ 1 m 10 m
Load current ILOAD (A)
100 m
120
100
80
60
40
20
0
0.001
Ta = +25 °C
VCC = 3.6 V
OUT1 = 1.0 µF
OUT2 = 36 Ω (−70 mA)
ICONT = "H"
0.01
0.1
VFIL capacitor CFIL (µF)
(Continued)
18
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