參數(shù)資料
型號(hào)： MB39A104
廠商： Electronic Theatre Controls, Inc.
英文描述： 2-ch DC/DC Converter IC
中文描述： 2通道直流/直流轉(zhuǎn)換器集成電路
文件頁(yè)數(shù)： 27/36頁(yè)
文件大?。?/td> 380K
代理商： MB39A104
MB39A104
27
Example:
CH1
CH2
Inductance values derived from the above formulas are values that provide sufficient margin for continuous
operation at maximum load current, but at which continuous operation is not possible at light loads. It is therefore
necessary to determine the load level at which continuous operation becomes possible. In this application, the
Sumida CDRH104R-150 is used. At 15
μ
H, the load current value under continuous operating conditions is
determined by the following formula.
Load current value under continuous operating conditions : I
O
V
O
toff
2L
Example: Using the CDRH104R-150
15
μ
H (allowable tolerance
±
30
%
) , rated current
=
3.6 A
CH1
V
O
toff
2L
5
×
2
×
15
×
10
6
500
×
10
3
CH2
L
≥
2 (V
IN
V
O
) ton
I
O
2
×
(19
5)
×
I
O
≥
1
×
0.263
500
×
10
3
≥
4.91
μ
H
L
≥
2 (V
IN
V
O
) ton
I
O
≥
2
×
(19
3.3)
×
I
O
1
×
0.174
500
×
10
3
≥
3.64
μ
H
I
O
≥
I
O
≥
≥
1
×
(1
0.263)
≥
245.7 mA
I
O
≥
V
O
2L
toff
≥
3.3
×
1
×
(1
0.174)
2
×
15
×
10
6
500
×
10
3
≥
181.7 mA
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