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GS300T48-5 Datasheet(PDF) 4 Page - STMicroelectronics |
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GS300T48-5 Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 6 page 4/6 USER NOTES Reflected Input Current The reflected input current measurement (lir, see Electrical Characteristics) is performed according to the test set-up of fig. 2. Figure 2. Softstart To avoid heavy inrush current the output voltage rise time is 10ms maximum in any condition of load. Remote Sensing The remote voltage sense compensation range is for a total drop of 0.6V equally shared between the load connecting wires. It is a good practice to shield the sensing wires to avoid oscillations. See the connection diagram on figures 3, 4, 5, 6. Remote ON/OFF The module is controlled by the voltage applied between the ON/OFF pin and -IN pin. The converter is ON (Enable) when the voltage applied is lower than 1.2 V (see Vien on Electrical Characteristics). The converter is OFF (Inhibit) for a control voltage in the range of 8 to 18V (see Viinh). When the pin is unconnected the converter is OFF. Maximum sinking current is 1mA. Module Protection The module is protected against occasional and permanent shortcircuits of the outp ut pins to ground, as well as against output current overload. It uses a current limiting protection circuitry, avoid- ing latch-up problems with certain type of loads. A latching crowbar output overvoltage protection is activated when the output voltage exceeds the typical value of 6.3V (see Electrical Charac- teristics). A thermal non-latchingprotection disables the module whenever the heatsink temperature reaches about 85 °C. Parallel Operation To increase available output regulated power, the module features the parallel connection possibility with equal current sharing and maximum deviation of 10% (two modules in parallel). See the connection diagram on figures 3, 4, 5, 6. GS300T48-5 |
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