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參數(shù)資料
| 型號(hào)： | R-553.3PA |
| 廠商： | RECOM Power Inc. |
| 英文描述： | INNOLINE DC/DC-Converter |
| 中文描述： | INNOLINE直流/直流轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 110K |
| 代理商： | R-553.3PA |
www.recom-international.com
131
24-August-2005
R-5xxxPA_DA
Series
Output Current vs Input Voltage
INNOLINE
DC/DC-Converter
0
6
6
7'+#$8'+.#9
How to calculating the max output current
The internal power dissipation(P
D
)follows the equation:
P
D
= Io × Vo × (1-
η
)
Io = P
D
/ Vo × (1-
η
)
Where
P
D
= Internal power dissipation
Io = Output current
Vo = Output voltage
η
= Efficiency
Example: R-545.0P , at Vin = 18Vdc ,Vo = 5Vdc ,
η
=93% (see table 1)
(a) When Ta = 60°C , P
D
= 1.4 Watt (see fig-1)
Io = 1.4(W) / 5(V) × (1-0.93) = 4(A)
(b) When Ta = 85°C , P
D
= 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.93) = 2.857(A)
(
c) At Vin = 12Vdc efficiency = 94% (see table 1)
When Ta = 85°C , P
D
= 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.94) =3.33(A)
Characteristics
'
6
6
6
6
6
6
"$#2'
'
6
6
6
6
6
6
"$#2'
R-53xx / R-54xx
Output Voltage Line Regulation VS Vout
R-52xx / R-55xx
Output Voltage Line Regulation VS Vout
#
6
6
7$#2'
6
6
6
6
6
#
6
6
7$#2'
6
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6
6
R-53xx / R-54xx
Intput Voltage Load Regulation VS Vin
R-52xx / R-55xx
Intput Voltage Load Regulation VS Vin
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