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APTS030A0X Datasheet(PDF) 11 Page - Lineage Power Corporation |
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APTS030A0X Datasheet(HTML) 11 Page - Lineage Power Corporation |
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11 / 23 page  Data Sheet November 11, 2010 12V Mega TLynxTM: Non-Isolated DC-DC Power Modules: 6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 30A output current LINEAGE POWER 11 0 20 40 60 80 100 120 140 0.51 1.52 2.53 Output Voltage (Volts) 1x10uF External Cap 1x47uF External Cap 2x47uF External Cap 4x47uF External Cap Figure 29. Output ripple voltage for various output voltages with external 1x10 µF, 1x47 µF, 2x47 µF or 4x47 µF ceramic capacitors at the output (30A load). Input voltage is 12V. Safety Considerations For safety agency approval the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standards, i.e., UL 60950-1 2nd Edition, CSA C22.2 No. 60950-1-07, and VDE 0805- 1+A11:2009-11 (DIN EN60950-1 2nd Edition) Licensed. The APTS030A0X were tested using a 30A, time delay fuse in the ungrounded input. For the converter output to be considered meeting the requirements of safety extra-low voltage (SELV), the input must meet SELV requirements. The power module has extra-low voltage (ELV) outputs when all inputs are ELV. The input to these units is to be provided with a time-delay fuse with a maximum rating of 30A in the positive input lead. Feature Descriptions Remote On/Off The 12V Mega TLynx TM power modules feature a On/Off pin for remote On/Off operation. If not using the On/Off pin, connect the pin to ground (the module will be ON). The On/Off signal (Von/off) is referenced to ground. The circuit configuration for remote On/Off operation of the module using the On/Off pin is shown in Figure 30. During a Logic High on the On/Off pin (transistor Q1 is OFF), the module remains OFF. The external resistor R1 should be chosen to maintain 3.0V minimum on the On/Off pin to ensure that the module is OFF when transistor Q1 is in the OFF state. Suitable values for R1 are 4.7K for input voltage of 12V and 3K for 5Vin. During Logic-Low when Q1 is turned ON, the module is turned ON. The On/Off pin can also be used to synchronize the output voltage start-up and shutdown of multiple modules in parallel. By connecting On/Off pins of multiple modules, the output start-up can be synchronized (please refer to characterization curves). When On/Off pins are connected together, all modules will shutdown if any one of the modules gets disabled due to undervoltage lockout or over temperature protection . 100K Q1 GND PWM Enable ON/OFF VIN+ ON/OFF _ + I V MODULE R1 ON/OFF 1K 100K Thermal SD Figure 30. Remote On/Off Implementation using ON/OFF . Overcurrent Protection To provide protection in a fault (output overload) condition, the unit is equipped with internal current-limiting circuitry and can endure current limiting continuously. At the point of current-limit inception, the unit enters hiccup mode. The unit operates normally once the output current is brought back into its specified range. |
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