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Output Connections and Operating Information
55
Figure 4-8. External Trigger Circuit
Figure 4-9. Equivalent Internal OV Trigger Circuit
Power Supply Protection Considerations
Battery Charging
If you are using your supply in a battery charging application, it is recommended that a series protection diode be added to
prevent damage to the supply during an overvoltage shutdown. Remember that each output has an overvoltage protection
circuit that fires a crowbar to disable the output for any of the OVERVOLTAGE conditions described on page 48.
Figure 4-10 illustrates the recommended connections and protection circuit for a battery charging application. The diode
will prevent damage to your supply that can result from excessive battery current flowing into the supply’s output in the
event of an overvoltage shutdown.