參數(shù)資料
型號: MB3883PFV
廠商: FUJITSU LTD
元件分類: 穩(wěn)壓器
英文描述: 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
中文描述: 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48
封裝: PLASTIC, LQFP-48
文件頁數(shù): 34/39頁
文件大?。?/td> 473K
代理商: MB3883PFV
MB3883
34
I
REFERENCE DATA
(Continued)
A
Q1
IL
Q3
Vo1
×
IL
Vin
×
Iin
×
100
D1
Vo1
(3.3 V)
C1
4.7
μ
F
L2
22
μ
H
L1
10
μ
H
R1
82
C10
3300 pF
C17
2.2
μ
F
Vin
Iin
C2
4.7
μ
F
η
(%)
=
90
88
86
84
82
80
78
76
74
72
70
0
50
100
150
Load current IL (mA)
200
250
300
350
400
450
500
Vin = 2.5 V
Vin = 3 V
Vin = 3.6 V
Vin = 4.2 V
B
Q2
IL
Q4
Vo2
×
IL
Vin
×
Iin
×
100
D2
Vo2
(2.5 V)
C3
4.7
μ
F
L4
22
μ
H
L3
15
μ
H
R2
110
C11
3300 pF
C18
2.2
μ
F
Vin
Iin
C4
4.7
μ
F
η
(%)
=
90
88
86
84
82
80
78
76
74
72
70
0
50
100
150
Load current IL (mA)
200
250
300
350
400
450
500
Vin = 2.5 V
Vin = 3 V
Vin = 3.6 V
Vin = 4.2 V
To OUT1-1
To OUT1-2
Ta
=
+
25
°
C
3.3 V output
VCC
=
VCC(O)
=
5 V
C
η
Conversion efficiency vs. load current
(CH1 : Zeta method with synchronous rectification)
To OUT2-1
To OUT2-2
Ta
=
+
25
°
C
2.5 V output
VCC
=
VCC(O)
=
5 V
C
η
Conversion efficiency vs. load current
(CH2 : Zeta method with synchronous rectification)
Note : The above application uses a constant of
Vin=2.5 V, with settings made at maximum load.
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