參數(shù)資料
型號: MB3881
廠商: Fujitsu Limited
英文描述: 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
中文描述: 8通道DC / DC變換器的同步整流集成電路的電壓升壓和降壓
文件頁數(shù): 37/40頁
文件大小: 509K
代理商: MB3881
MB3881
37
(Continued)
90
88
86
84
82
80
78
76
74
72
70
0
50 100 150 200 250 300 350 400 450 500
Vin
=
2.5 V
Vin
=
3 V
Vin
=
3.6 V
Vin
=
4.2 V
Vin
=
6 V
C
R3
75
C17
3900 pF
Vin
Iin
IL
C39
1
μ
F
C11
2.2
μ
F
Q3
V
O
3
(5.0 V)
L6
D3
C3
2.2
μ
F
15
μ
H
L5
6.8
μ
H
η
=
×
100 (%)
V
O
3
×
IL
Vin
×
Iin
Conversion efficiency vs. load current
(CH3 : Zeta method )
C
η
%
)
Load current IL (mA)
Ta
=
+
25
°
C
5 V ouputt
VCC (O)
=
Vin
+
2.2 V
VSS (O)
=
Vin
1.8 V
To OUT3
To VDD (O)
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