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EHHD006A0B41-SZ Datasheet(PDF) 8 Page - Lineage Power Corporation |
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EHHD006A0B41-SZ Datasheet(HTML) 8 Page - Lineage Power Corporation |
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8 / 19 page  Data Sheet August 29, 2011 EHHD006A0B Series Eighth-Brick Power Modules 18 - 75Vdc Input; 12V/6Adc Output LINEAGE POWER 8 one second or by toggling the remote On/Off signal for at least one second. If the unit is configured with the auto-restart option (4), it will remain in the hiccup mode as long as the overcurrent condition exists. Once the output current is brought back into its specified range, the unit will operate normally. The average output current during hiccup is 10% IO, max. Output Voltage Programming Trimming allows the output voltage set point to be increased or decreased from the default value. This is accomplished by connecting an external resistor between the TRIM pin and either the VO(+) pin or the VO(-) pin. VO(+) VOTRIM VO(-) Rtrim-down LOAD VIN(+) ON/OFF VIN(-) Rtrim-up Figure 12. Circuit Configuration to Trim Output Voltage. Connecting an external resistor (Rtrim-down) between the TRIM pin and the VO(-) (or Sense(-)) pin decreases the output voltage set point. To maintain set point accuracy, the trim resistor tolerance should be ±1.0%. The following equation determines the required external resistor value to obtain a percentage output voltage change of Δ% 22 . 10 % 511 down trim R Where 100 0 . 12 0 . 12 % V V V desired For example, to trim-down the output voltage of the module by 6% to 11.28V, Rtrim-down is calculated as follows: 6 % 22 . 10 6 511 down trim R 9 . 74 down trim R Connecting an external resistor (Rtrim-up) between the TRIM pin and the VO(+) (or Sense (+)) pin increases the output voltage set point. The following equation determines the required external resistor value to obtain a percentage output voltage change of Δ%: 22 . 10 % 511 % 225 . 1 %) 100 ( 0 . 12 11 . 5 up trim R Where 100 0 . 12 0 . 12 % desired V For example, to trim-up the output voltage of the module by 4% to 12.48V, Rtrim-up is calculated is as follows: 4 % 22 . 10 4 511 4 225 . 1 ) 4 100 ( 0 . 12 11 . 5 up trim R M R up trim 16 . 1 The voltage between the VO(+) and VO(–) terminals must not exceed the minimum output overvoltage protection value shown in the Feature Specifications table. This limit includes any increase in voltage due to remote-sense compensation and output voltage set-point adjustment trim. 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 (maximum rated power = VO,set x IO,max). |
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