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MB3875 Datasheet, PDF (8/27 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging | |||
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MB3875/MB3877
(MB3875 : Ta = +25°C, VCC = 16 V, VCC (O) = 16 V, VREF = 0 mA)
(MB3877 : Ta = +25°C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)
Parameter
Symbol Pin No
Conditions
Value
Unit Remarks
Min. Typ. Max.
Input offset
voltage
VIO 6,7,8,11 FB1 = FB2 = 2 V
â
1
5 mV
Input bias
current
IB 6,7,8,11
â
â100 â30
â nA
Common
mode input
VCM 6,7,8,11
â
voltage range
0
â VCCâ1.8 V
Voltage gain
AV
3,9 DC
â 100* â dB
Frequency
bandwidth
BW
3,9 AV = 0 dB
â
2.0*
â MHz
VFBH
3,9
â
3.9
4.1
â
V
Output voltage
VFBL
3,9
â
â
20
200 mV
Output source
current
ISOURCE
3,9 FB1 = FB2 = 2 V
â â2.0 â0.6 mA
Output sink
current
ISINK
3,9 FB1 = FB2 = 2 V
150 300
â µA
Threshold
voltage
FB3 = 2 V,
12.500 12.600 12.700 V MB3875
Ta = +25 °C
VTH
2
FB3 = 2 V,
16.666 16.800 16.934
12.474 12.600 12.726
V MB3877
V MB3875
Ta = â30 °C to +85 °C 16.632 16.800 16.968 V MB3877
Input current
IINE3H
IINE3L
IN3 = 12.6 V
â
2
IN3 = 16.8 V
â
VCC = 0 V, IN3 = 12.6 V â
2
VCC = 0 V, IN3 = 16.8 V â
84
150 µA MB3875
84
150 µA MB3877
0
1
µA MB3875
0
1
µA MB3877
R1
2
Input resistor
70
100
130 k⦠MB3875
â
105 150 195 k⦠MB3877
R2
16
â
35
50
65 kâ¦
Voltage gain
AV
15 DC
â 100* â dB
Frequency
bandwidth
BW
15 AV = 0 dB
â
2.0*
â MHz
VFBH
15
Output voltage
VFBL
15
â
3.9
4.1
â
V
â
â
20
200 mV
Output source
current
ISOURCE
15 FB3 = 2 V
â â2.0 â0.6 mA
Output sink
current
ISINK
15 FB3 = 2 V
150 300
â µA
*: Standard design value.
8
(Continued)
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