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MB3871 データシートの表示(PDF) - Fujitsu
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コンポーネント説明
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MB3871
Mobile Pentium® II DC/DC Converter IC
Fujitsu
MB3871 Datasheet PDF : 25 Pages
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MB3871
(Continued)
ERR threshold (1.3 V setting) vs. Temperature characteristics
1.34
1.32
V
CC
= 5 V, VB = 5 V, RT = 130 k
Ω
1.30
1.28
1.26
1.24
–40.0 –20.0 0.0 20.0 40.0 60.0 80.0 100.0
Temperature Ta (
°
C)
Error Amp. gain, Phase vs. Frequency characteristics
40
Ta = +25
°
C
V
CC
= 5 V
180
30
V
B
= 5 V
135
20
φ
90
10
45
0
AV
0
–10
–45
–20
–90
–30
–135
–40
–180
1K
10 K 100 K 1 M 10 M
Frequency f (H
Z
)
Error Amp.
3V
10 k
Ω
IN
1
µ
F
2.4 k
Ω
V
REF
240 k
Ω
–
+
+
10 k
Ω
1.5 V
OUT
(Continued)
12
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