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JRCK017A0S32R06418Z Datasheet(PDF) 8 Page - Lineage Power Corporation |
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JRCK017A0S32R06418Z Datasheet(HTML) 8 Page - Lineage Power Corporation |
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8 / 15 page  GE Data Sheet JRCK017A0S32R0 Orca Series; DC-DC Converter Power Modules 36–62 Vdc Input; 32.0Vdc Output; 17.0Adc Output October 11, 2013 ©2012 General Electric Company. All rights reserved. Page 8 Feature Description (continued) The voltage between the Vo(+) and Vo(-) terminals must not exceed the minimum output overvoltage shut-down value indicated in the Feature Specifications table. This limit includes any increase in voltage due to remote-sense compensation and output voltage set-point adjustment (trim). See Figure 11. If not using the remote-sense feature to regulate the output at the point of load, then connect SENSE(+) to Vo(+) and SENSE(-) to Vo(-) at the module. Although the output voltage can be increased by both the remote sense and by the trim, the maximum increase for the output voltage is not the sum of both. The maximum increase is the larger of either the remote sense or the trim. The amount of power delivered by the module is defined as the voltage at the output terminals multiplied by the output current. When using remote sense and trim: the output voltage of the module can be increased, which at the same output current would increase the power output of the module. Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power. Figure 11. Effective Circuit Configuration for Single-Module Remote-Sense Operation Output Voltage. Output Voltage Programming Trimming allows the user to increase or decrease the output voltage set point of a module. Trimming down is accomplished by connecting an external resistor between the TRIM pin and the SENSE(-) pin. Trimming up is accomplished by connecting external resistor between the SENSE(+) pin and TRIM pin. The trim resistor should be positioned close to the module. Certain restrictions apply to the input voltage lower limit when trimming the output voltage to the maximum. See Figure 12 for the allowed input to output range when using trim. Figure 12. Output Voltage Trim Limits vs. Input Voltage. If not using the trim down feature, leave the TRIM pin open. Trim Down – Decrease Output Voltage With an external resistor (Radj_down) between the TRIM and SENSE(-) pins, the output voltage set point (Vo,adj) decreases (see Figure 13). The following equation determines the required external-resistor value to obtain a percentage output voltage change of %. For output voltages: VO,nom = 32V Without –T Option With –T Option k R down adj 2 % 100 _ k R down adj 11 % 1000 _ Where, 100 % , , nom o desired nom o V V V Vdesired = Desired output voltage set point (V). Figure 13. Circuit Configuration to Decrease Output Voltage. Trim Up – Increase Output Voltage With an external resistor (Radj_up) connected between the SENSE(+) and TRIM pins , the output voltage set point (Vo,adj) increases (see Figure 14). The following equation determines the required external- resistor value to obtain a percentage output voltage change of %. For output voltages: VO,nom = 32V Without –T Option k V R nom O up adj % %) 2 ( 100 ( % 225 . 1 %) 100 ( , _ With –T Option k R up adj 12 . 15 % 27122 _ Where, 100 % , , nom o nom o desired V V V Vdesired = Desired output voltage set point (V). |
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