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參數(shù)資料
| 型號(hào)： | CW025AJ-M |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 13.125 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-7 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 559K |
| 代理商： | CW025AJ-M |
10
Lineage Power
Data Sheet
April 2008
36 Vdc to 75 Vdc Input; 25 W
CW025 Dual Output-Series Power Modules:
Feature Descriptions
Output Overvoltage Clamp
The output overvoltage clamp consists of control cir-
cuitry, independent of the primary regulation loop, that
monitors the voltage on the output terminals. The con-
trol loop of the clamp has a higher voltage set point
than the primary loop (see Feature Specications
table). This provides a redundant voltage control that
reduces the risk of output overvoltage.
Current Limit
To provide protection in a fault (output overload)
condition, the unit is equipped with internal current-
limiting circuitry and can endure current limiting for an
unlimited duration. At the point of current-limit
inception, the unit shifts from voltage control to current
control. If the output voltage is pulled very low during a
severe fault, the current-limit circuit can exhibit either
foldback or tailout characteristics (output-current
decrease or increase). The unit operates normally once
the output current is brought back into its specied
range.
Remote On/Off
Two remote on/off options are available. Positive logic
remote on/off turns the module on during a logic high
voltage on the REMOTE ON/OFF pin, and off during a
logic low. Negative logic remote on/off, code sufx “1,”
turns the module off during a logic high and on during a
logic low.
To turn the power module on and off, the user must
supply a switch to control the voltage between the
on/off terminal and the VI(–) terminal (Von/off). The
switch can be an open collector or equivalent (see
Figure 14). A logic low is Von/off = 0 V to 1.2 V. The max-
imum Ion/off during a logic low is 1 mA. The switch
should maintain a logic low voltage while sinking 1 mA.
During a logic high, the maximum Von/off generated by
the power module is 10 V. The maximum allowable
leakage current of the switch at Von/off = 10 V is 50 A.
8-754(C)
Figure 14. Remote On/Off Implementation
COM
LOAD
+
Ion/off
–
Von/off
ON/OFF
VI(+)
VI(–)
VO2
LOAD
VO1
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