MB3881 Datasheet, PDF (11/40 Pages) Fujitsu Component Limited. – 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

MB3881
(Continued)
(Ta = +25 °C, VCC = 9 V, VSS = 4.4 V, VDD = 5 V)
Parameter
Sym-
bol
Pin No.
Conditions
Value
Unit
Min. Typ. Max.
Threshold voltage
VTH
47, 44, 41,
38, 10
FB = 1.35 V
1.23 1.25 1.27 V
VT temperature stability
∆VT/
VT
47, 44, 41,
38, 10
Ta = −30 °C to +85 °C

0.5*

%
Input bias current
IB
46, 43, 40,
37, 11
−IN = 0 V
(CH1 to CH4, CH7)
−320
−60
12
+IN = 1 V (CH7)
8
10

nA
15
µA
Voltage gain
AV
47, 44, 41,
38, 10
DC
60 100

dB
Frequency bandwidth
BW
47, 44, 41,
38, 10
AV = 0 dB
 1.2*
 MHz
VOH
47, 44, 41,
38, 10

2.2 2.4

V
Output voltage
VOL
47, 44, 41,
38, 10


50
200 mV
Output source current
ISOURCE
47, 44, 41,
38, 10
FB = 1.35 V
 −2.0 −1.0 mA
Output sink current
ISINK
47, 44, 41,
38, 10
FB = 1.35 V
70 140

µA
Input offset voltage
VIO 20, 21, 14, 15 FB = 1.35 V


10 mV
VT temperature stability
∆VT/
VT
20, 21, 14, 15 Ta = −30 °C to +85 °C

0.5*

%
22, 16 FB = 1.35 V
−260 −40

nA
Input bias current
IB
21, 15 −IN = 0 V
−120 −30

nA
18
FB = 1.35 V
−120 −30

nA
Common mode input
voltage range
VCM
20, 14

0
 VCC − 1.8 V
Voltage gain
AV
20, 14 DC
60 100

dB
Frequency bandwidth
BW
20, 14 AV = 0 dB
 1.2*
 MHz
Output voltage
VOH
20, 14
VOL
20, 14

2.2 2.4

V


50
200 mV
Output source current ISOURCE 20, 14 FB = 1.35 V
 −2.0 −1.0 mA
Output sink current
ISINK
20, 14 FB = 1.35 V
70 140

µA
*: Standard design value.
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