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Part Name
Description
MB3881 View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB3881
8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
Fujitsu
MB3881 Datasheet PDF : 40 Pages
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MB3881
(Continued)
Error amplifier gain and phase vs. frequency (CH1)
Ta
= +
25
°
C
40
180
VCC
=
9 V
20
90
φ
0
0
A
V
−
20
−
90
−
40
1k
−
180
10 k 100 k 1 M 10 M
Frequency f (Hz)
10 k
Ω
IN
− +
2.4 k
Ω
10
µ
F
10 k
Ω
1.4 V
240 k
Ω
46
−
+
+
1.26 V
47
OUT
Error amplifier gain and phase vs. frequency (CH5)
Ta
= +
25
°
C
40
180
VCC
=
9 V
2.5 V
20
90
240 k
Ω
φ
10 k
Ω
10 k
Ω
0
0
IN
− +
2.4 k
Ω
21
−
A
V
10
µ
F
22
+
20
−
20
−
90
18
+
OUT
10 k
Ω
1.4 V
10 k
Ω
−
40
−
180
1 k 10 k 100 k 1 M 10 M
Frequency f (Hz)
Error amplifier gain and phase vs. frequency (CH8)
Ta
= +
25
°
C
40
180
VCC
=
9 V
1V
20
90
240 k
Ω
φ
10 k
Ω
10 k
Ω
0
0
IN
− +
2.4 k
Ω
5
−
A
V
10
µ
F
4
−
20
−
90
6
+
OUT
10 k
Ω
10 k
Ω
−
40
−
180
1 k 10 k 100 k 1 M 10 M
Frequency f (Hz)
16
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