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FEATURES DESCRIPTIONS
Over-Current Protection
The modules include an internal output
The modules will try to restart after shutdown. If the overload condition still exists, the module will shut down again. This restart trial will continue until the overload condition is corrected.
Over-Voltage Protection
The modules include an internal output
The module will try to restart after shutdown. If the over- voltage condition still exists during restart, the module will shut down again. This restart trial will continue until the output voltage is within specification.
Over-Temperature Protection
The
The module will try to restart after shutdown. If the over- temperature condition still exists during restart, the module will shut down again. This restart trial will continue until the temperature is within specification.
Remote On/Off
The remote on/off feature on the module can be either negative or positive logic. Negative logic turns the module on during a logic low and off during a logic high. Positive logic turns the modules on during a logic high and off during a logic low.
Remote on/off can be controlled by an external switch between the on/off terminal and the
For negative logic if the remote on/off feature is not used, please short the on/off pin to
Figure 23: Remote on/off implementation
Output Voltage Adjustment (TRIM)
To increase or decrease the output voltage set point, the modules may be connected with an external resistor between the TRIM pin and either Vout1(+) or RTN. The TRIM pin should be left open if this feature is not used.
Figure 24: Circuit configuration for trim-down (decrease output voltage)
If the external resistor is connected between the TRIM and Vout1(+) pin, the output voltage set point decreases (Fig. 24). The external resistor value is from the table below.
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DS_Q48DR1R533_03152007