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VKA150MS Datasheet(PDF) 3 Page - C&D Technologies |
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VKA150MS Datasheet(HTML) 3 Page - C&D Technologies |
3 / 4 page 3 Product: www.cdpoweronline.com VKA150MS Rev C 1/2003 1.000 [25.40] 1.400 [35.56] 2.000 [50.80] 0.19 [4.8] 0.20 [5.1] 0.50 [12.7] 0.40 [10.16] 0.530 MAX [13.46] 0.20 [5.1] .040 [1.02] DIA. 7 PLACES .081 [2.06] DIA. 2 PLACES 1.400 [35.56] 1.000 [25.40] 0.700 [17.78] .400 [10.16] 1.900 [48.26] 2.28 [57.91] MAX MOUNTING INSERTS M3 X 0.5 THRU, 4 PLACES MAX. TORQUE, 8 IN/LBS 2.40 [61.0] MAX MECHANICAL NOTES: All dimensions are in inches (millimeters). PIN PLACEMENT TOLERANCE: ± 0.005" MECHANICAL TOLERANCE: ± 0.015" Marked with: specific modeL ordered, date code, job code. MATERIAL: Units are encapsulated in a low thermal resistance molding compound which has excellent chemical resistance and electrical properties in high humidity environments and over a wide operating temperature range. The encapsulant and outer shell of the unit have UL94V-0 ratings. Lead material is solder plated to allow ease of solderability. VKA150MS Special attention should be given to the peak voltage deviation during a dynamic load step when trimming the output above the original set point to avoid tripping the overvoltage protection circuit. Should an OVP condition occur, the converter will go into a latch condition and must be externally reset before it will return to normal operation. OUTPUT ADJUST VOLTAGE OVP NOTE This feature allows the user to accurately adjust the module's output voltage set point to a specified level. This is achieved by connecting a resistor or potentiometer from the TRIM terminal to either the +Vout terminal (for increased Vout) or the -Vout terminal (for decreased Vout). The formulae below describe the trim resistor value to obtain a Vout change of ∆%. VO is output voltage prior to adjustment (3.3V, 5V, 12V, 15V, or 24V). Radj - up = ( Vo(100 + ∆%) _ (100 + 2∆%) ) kΩ 1.225 ∆% ∆% Radj - down = (100 - 2) kΩ ∆% |
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