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參數(shù)資料
| 型號(hào)： | DW025BK-M |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 1627K |
| 代理商： | DW025BK-M |
2
Tyco Electronics Corp.
Data Sheet
June 1997
36 Vdc to 75 Vdc Input; Dual Outputs; 25 W
DW025 Dual Output-Series Power Modules: dc-dc Converters;
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 Specications
Note: Two pinouts are available for the DW025-Series Power Modules. The DW025AJ-M, AB-M, BK-M, and
CL-M Power Modules, which have both positive and negative outputs, have a common output ground pin
(pinout A). The DW025AA-M, AB-M, AF-M, BB-M, and CC-M Power Modules, which have dual positive out-
puts, have separate output ground pins (pinout B). See Outline Diagrams section.
Unless otherwise indicated, specications apply to all modules over all operating input voltage, resistive load, and
temperature conditions.
Table 1. Input Specications
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 exibility, 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, dc fuse with a maximum rating of 5 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
Min
Max
Unit
Input Voltage
Continuous
Transient (<10 ms)
VI
VI, trans
—
80
100
V
I/O Isolation Voltage
dc
Transient (1 minute)
—
500
850
V
Operating Case Temperature
TC
–40
100
°C
Storage Temperature
Tstg
–55
125
°C
Parameter
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
VI
36
48
75
Vdc
Maximum Input Current
II, max
—
2.0
A
Inrush Transient
i2t
—
0.8
A2s
Input Reected-ripple Current, Peak-to-Peak
(5 Hz to 20 MHz, 12 H source impedance;
Considerations section.)
—
25
—
mAp-p
Input Ripple Rejection (120 Hz)
—
60
—
dB
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