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参数资料
| 型号： | MGDSI-04-J-B/Y |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 4 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, PLASTIC PACKAGE-24/9 |
| 文件页数： | 3/14页 |
| 文件大小： | 514K |
| 代理商： | MGDSI-04-J-B/Y |
For locations, phone, fax, E-Mail see back cover
11
Industrial
Grade
MGDI-04 Wide Input Series
Gaia Converter FC97-005.01/10 Revision M
5
12- Description of Protections
12-1 Output Short Circuit Protection (SCP)
The short circuit protection device protects the module
against short circuit of any duration and restores the mo-
dule to normal operation when the short circuit is removed.
It operates in hiccup mode by testing periodically if an
overload is applied (typically every 200ms recovery time).
The overload detection threshold is typically 200% of maxi-
mum current with a detection time lower than 5ms.
12-2 Output Overvoltage Protection (OVP)
The output overvoltage protection device protects external
components against high voltage or possible overvoltages
which can be supplied by the module (i.e in case of internal
failure). It consists of a zener diode clamping the output
voltage; under worst case conditions this zener diode will
short-circuit.
The output voltage protection is not designed to withstand
externally applied output overvoltages to protect the mo-
dule itself.
13- Description of Functions
13-1 Option (/M) : On/Off Function
The optionnal control pin 20 (On/Off) can be used for
applications requiring On/Off operation. By using an open
collector command with a transistor Q referenced to the
common terminal (Gi) :
A logic pulled low (<0.2V@1mA, referenced to Gi)
on pin 20 disables the converter
No connection or high impedance on pin 20 enables
the converter.
By releasing the On/Off function, the converter will restart
within the start-up time specifications given in table page 3.
For further details please consult ‘’Logic On/Off’’ applica-
tion note.
time
recovery time
detection time
recovery time
x
100
Vo (%)
GI
On/Off
Command
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