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MB3879 Datasheet(PDF) 10 Page - Fujitsu Component Limited.

Part # MB3879
Description  DC/DC Converter IC for Parallel Charging of 3/4 cell Li-ion & NiMH Batteries
Download  54 Pages
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Manufacturer  FUJITSU [Fujitsu Component Limited.]
Direct Link  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3879 Datasheet(HTML) 10 Page - Fujitsu Component Limited.

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MB3879
10
(VCC
= VCCO = 19 V, VDD = 5 V, Charge mode = Li4C42, Ta = +25 °C)
*1 : Standard design value
*2 : 16.8 V (Li4C42) , 12.6 V (Li3C42)
*3 : 16.4 V (Li4C41) , 12.3 V (Li3C41)
(Continued)
Parameter
Symbol
Pin No.
Conditions
Value
Unit
Min
Typ
Max
6. Error
amplifier block
[Error Amp1 to
Error Amp6]
Input offset voltage
VIO
18, 19,
31, 32,
40, 41,
43, 44
Error Amp1 to Error
Amp4
FB1 to FB4
= 2.5 V
15
mV
Input bias current
IB
18, 19,
31, 32,
40, 41,
43, 44
−INE1 = +INE1 =
−INE2 = +INE2 =
−INE3 = +INE3 =
−INE4 = +INE4 = 0 V
−100
−30
nA
Common mode input
voltage range
VCM
16, 34,
42, 46
Error Amp1 to Error
Amp2
0
VCC
1.8
V
Voltage gain
AV
16, 34,
42, 46
DC
100*1
dB
Frequency band width
BW
16, 34,
42, 46
AV
= 0 dB
2*1
MHz
Output voltage
VOH
16, 20,
30, 34,
42, 46
FB1 to FB6
= −1 mA
4.5
4.7
V
VOL
16, 20,
30, 34,
42, 46
FB1 to FB6
= 1 mA
1.0
1.2
V
Output source current
ISOURCE
16, 20,
30, 34,
42, 46
FB1 to FB6
= 2.5 V
−9
−4.5 mA
Output sink current
lSINK
16, 20,
30, 34,
42, 46
FB1 to FB6
= 2.5 V
4.5
9.0
mA
Threshold voltage
VTH1
20, 30
FB5
= FB6 = 2.5 V,
Ta
= +25 °C
Charge mode
= Li4C42,
Li3C42
VTH*2
×
0.992
VTH
×
1.000
VTH
×
1.008
V
VTH2
20, 30
FB5
= FB6 = 2.5 V,
Ta
= −30 °C to +85 °C
Charge mode
= Li4C42,
Li3C42
VTH*2
×
0.990
VTH
×
1.000
VTH
×
1.010
V
VH3
20, 30
FB5
= FB6 = 2.5 V,
Ta
= +25 °C
Charge mode
= Li4C41,
Li3C41
VTH*3
×
0.991
VTH
×
1.000
VTH
×
1.009
V
VTH4
20, 30
FB5
= FB6 = 2.5 V,
Ta
= −30 °C to +85 °C
Charge mode
= Li4C41,
Li3C41
VTH*3
×
0.989
VTH
×
1.000
VTH
×
1.011
V


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