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参数资料
| 型号： | PGDS-50-N-K/T |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-6 |
| 文件页数： | 2/12页 |
| 文件大小： | 613K |
| 代理商： | PGDS-50-N-K/T |
For locations, phone, fax, E-Mail see back cover
10
PGDS-50 Series
Gaia Converter FC97-012.01/10 Revision J
4
Hi-Rel
Grade
12- Application Notes
12-1 Reverse Polarity Compatibility
The PGDS-50 is compatible with an external reverse input polarity protection connected directly on Vin (pin 1).
GAIA Converter recommends a diode with a minimum current rating of 7 A and a voltage breakdown rating greater than 100V.
12-2 On/Off Function
The control pin 3 (On/Off) can be used for applications requiring
On/Off operations. By using an open collector command with a
transistor Q referenced to the terminal Gi :
A logic pulled low (<0.2V@1mA, referenced to Gi) on pin 3
disables the converter.
No connection or high impedance on pin 3 enables the
converter.
12-3 EMI Compatibility with MIL-STD-461C and MIL-STD-461D/E
The PGDS-50 series includes a
π EMI filter to attenuate ripple and noise.
To meet MIL-STD-461C and MIL-STD-461D/E requirements, GAIA Converter recommends the use of an external filter
(see section 12-5 Typical Schematics and EMI filters design notes for details).
12-4 VIMES Signal
The VIMES signal is used to sense the bus input voltage and depending on the achieved level to drive the operation mode of
the PGDS-50.
Due to possible oscillation caused by surge or fast transients on the bus line, it is recommended to implement an RC filter
on this signal as described in the following schematics. The connection of VIMES trough the resistance R could be done
before or after the EMI input filter (see section 12-5 Typical Schematics). If no RC filter is used, connect pin VIMES to pin Vi.
12-5 Typical Schematics
The PGDS-50 series is suitable to be used with several DC/DC GAIA converter modules in various configurations as follow :
Please consult EMI filters design notes for further details on EMI.
100K
4
3
Command
On/Off
Gi
On/Off
3
PGDS50
Go
+Vo
GI
VI
5
6
2
1
4
Vimes
R*
C*
On/Off
Go
+Vo
GI
VI
MGDM-series
Go
+Vo
GI
VI
MGDM-series
Go
+Vo
GI
VI
MGDM-series
+ Input
- Input
EMI input Filter
Go
Vo
GI
VI
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