AEW datasheet(43/46 Pages) ASTEC

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6. Input Reverse Voltage Protection

Under installation and cabling conditions where reverse polarity across the input

may occur, reverse polarity protection is recommended. Protection can easily be

provided as shown in following. In both cases the diode used is rated for 2A/100V.

Placing the diode across the inputs rather than in-line with the input offers an

advantage in that the diode only conducts in a reverse polarity condition, which

increases circuit efficiency and thermal performance.

7. Series operating

When converters are connected in series to increase the output voltage, diodes

should be added as shown in following figure. Choose low forward voltage drop

diodes, such as shottky diodes. The reverse voltage of the diode should be greater

than the output voltage, and the diode’s turn-on current should be greater than the

series load current. The maximum operating output current of the series connection

should not be greater than the maximum output current of any single converter.

AEW Datasheet(PDF) 43 Page - Astec America, Inc