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参数资料
| 型号： | PGDS-50-N-K |
| 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： | 5/12页 |
| 文件大小： | 610K |
| 代理商： | PGDS-50-N-K |
For locations, phone, fax, E-Mail see back cover
2
PGDS-50 Series
Gaia Converter FC97-012.01/10 Revision J
4
Hi-Rel
Grade
Active Clamping
Boost
Function
Vin
On/Off
Vimes
Vo
Control Circuit
Gin
Go
6H
2F
19F
3- Block Diagram
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The PGDS-50 module includes 3 main circuits :
A Boost Circuit
An Active clamping Circuit
A Control Circuit
Boost Circuitry :
The boost circuit operates when the input bus vol-
tage drops-down (low line operation) and boost the
input voltage to a higher output value.
Active Clamping :
The active clamping circuit operates when the input
bus voltage increases (transient & spike operation).
The circuitry clamps the input voltage to typically
38Vdc.
Control Circuit :
The control circuit monitors the different modes of
operation thrugh the VIMES signal and allows the
functionning of the active clamping circuit or the
boost circuit.
The PGDS-50 series features 4 modes of operations :
Power fail operation
Low line operation
Normal operation
Transient & surge operation
The following figure represents the PGDS-50 series
block diagram while the table hereafter describes
the circuitry activation depending on the 4 modes of
operations.
PGDS-50 Block Diagram
PGDS-50 Modes of Operation
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