MB3874 Datasheet, PDF (8/28 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Parallel Charging

MB3874/MB3876
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Parameter
Symbol Pin No
(MB3874 : Ta = +25°C, VCC = 16 V, VREF = 0 mA)
(MB3876 : Ta = +25°C, VCC = 19 V, VREF = 0 mA)
Conditions
Value
Unit Remarks
Min. Typ. Max.
Threshold
voltage
FB1 = 2 V,
–INE1 = 2.35 V
VTH
21
FB1 = 2 V,
–INE1 = 2.83 V
14.00 14.20 14.40 V MB3874
16.80 17.10 17.40 V MB3876
Input pin current IIN
8 –INE1= 0 V
–100 –30
— nA
Voltage gain
AV
7 DC
— 100* — dB
Frequency
bandwidth
BW
7 AV = 0 dB
— 2.0* — MHz
VFBH
7
Output voltage
VFBL
7
—
3.9 4.1
—
V
—
—
20
200 mV
Output source
current
ISOURCE
7 FB1 = 2 V
— –2.0 –0.6 mA
Output sink
current
ISINK
7 FB1 = 2 V
150 300
— µA
Input offset
voltage
VIO
3,4
9,10
FB2 = FB3 = 2 V
—
1*
— mV
Input pin
current
IINE
4,9 +INE2 = +INE3 = 0 V –100 –30
— nA
Common mode
input voltage
range
VCM
3,4
9,10
—
0
— VCC–1.8 V
Voltage gain
AV 2, 11 DC
— 100* — dB
Frequency
bandwidth
BW 2, 11 AV = 0 dB
— 2.0* — MHz
VFBH 2, 11
—
Output voltage
VFBL 2, 11
—
3.9 4.1
—V
—
20
200 mV
Output source
current
ISOURCE 2, 11 FB2 = FB3 = 2 V
— –2.0 –0.6 mA
Output sink
current
ISINK 2, 11 FB2 = FB3 = 2 V
150 300
— µA
*: Standard design value.
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