MB3881 Datasheet, PDF (12/40 Pages) Fujitsu Component Limited. – 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

MB3881
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Parameter
Input offset voltage
Input bias current
Common mode input
voltage range
Voltage gain
Frequency bandwidth
Output voltage
Output source current
Output sink current
Threshold voltage
Sym-
bol
VIO
IB
Pin No.
4, 5
6
5
(Ta = +25 °C, VCC = 9 V, VSS = 4.4 V, VDD = 5 V)
Conditions
Min.
Value
Unit
Typ. Max.
FB = 0.55 V
−15
0
15 mV
+IN = 0 V
−100 −20

nA
FB = 0.55 V
−50
−10

nA
VCM
4

0
 VCC − 0.9 V
AV
4
DC
BW
4
AV = 0 dB
VOH
4

VOL
4

ISOURCE
4
FB = 0.55 V
ISINK
4
FB = 0.55 V
60
75

dB

1.2*
 MHz
1.1
1.3

V

5
200 mV

−2.0
−1.0 mA
60
140

µA
50, 53, 56, 57 CH1 to CH4
VTH
62
+IN = 1 V (CH7)
0.97
0.77
1.00
0.80
1.03 V
0.83 V
Input bias current
IB
46, 43, 40,
11, 37
−IN = 0 V
−320 −60

nA
Input offset voltage
VIO
60, 61

0.55 0.60 0.65 V
Input bias current
IB
Common mode input
voltage range
VCM
Input offset voltage
VIO
Input bias current
IB
23, 17 −IN (C) = 0 V
60, 61
64
7


FB = 0.55 V
−200 −40

nA
0
 VCC − 1.8 V
−15
0
−50
−10
15 mV

nA
Common mode input
voltage range
VCM
64

0
 VCC − 0.9 V
Threshold voltage
VT0
VT100
50
Duty cycle = 0% 0.9
1.0

V
50
Duty cycle = 100% 
1.73 1.83 V
Input bias current
IDTC
48, 45, 42, 39, DTC = 0.4 V
19, 13, 9 (CH1 to CH7)
−1.0 −0.3

µA
*: Standard design value.
12
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