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參數(shù)資料
| 型號： | FC250R |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Power Module:dc-dc Converter; 18 Vdc to 36 Vdc Input, 28 Vdc Output; 250 W |
| 中文描述： | 電源模塊：型DC - DC轉(zhuǎn)換器，18伏到36伏直流電輸入，28伏直流輸出; 250瓦 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大小： | 1145K |
| 代理商： | FC250R |
2
Tyco Electronics Corp.
Data Sheet
May 1999
dc-dc Converter; 18 Vdc to 36 Vdc Input, 28 Vdc Output; 250 W
FC250R Power Module:
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions.
Table 1. Input Specifications
Fusing Considerations
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone
operation to an integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fus-
ing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. The
safety agencies require a normal-blow fuse with a maximum rating of 25 A (see Safety Considerations section).
Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same
type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data for further information.
Parameter
Symbol
V
—
T
Min
—
—
–40
Max
50
1500
100
Unit
Vdc
V
°C
Input Voltage Continuous
I/O Isolation Voltage
Operating Case Temperature
(See Thermal Considerations section and
Figure 18.)
Storage Temperature
I
C
T
stg
–55
125
°C
Parameter
Symbol
V
I
I, max
i
—
Min
18
—
—
—
Typ
28
—
—
10
Max
36
22
4.0
—
Unit
Vdc
A
A
mAp-p
Operating Input Voltage
Maximum Input Current (V
Inrush Transient
Input Reflected-ripple Current, Peak-to-peak
(5 Hz to 20 MHz, 12 μH source impedance;
see Figure 8.)
Input Ripple Rejection (120 Hz)
I
I
= 0 V to 36 V)
2
t
s
—
—
60
—
dB
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