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VKA75LS12C Datasheet(PDF) 4 Page - Murata Power Solutions Inc. |
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VKA75LS12C Datasheet(HTML) 4 Page - Murata Power Solutions Inc. |
4 / 4 page 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 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. 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 Δ%. VO is output voltage prior to adjustment (3.3V, 5V, 12V, 15V, or 24V). Radj - up = ( Vo(100 + Δ%) _ (100 + 2Δ%) ) Ω 1.225 Δ% Δ% Radj - down = (100 - 2) Ω Δ% 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 brass; lead finish is matte tin (100-300 micro-inches) over a nickel barrier layer (5-40 micro-inches).” OUTPUT ADJUST VOLTAGE OVP NOTE VKA75xSC MCD_VKA75C Series.D01 Page 4 of 4 Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com VKA75xSC Series 75 Watt Single Output Half Brick DC/DC Converter Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. © 2008 Murata Power Solutions, Inc. USA: Tucson (Az), Tel: (800) 547 2537, email: sales@murata-ps.com Canada: Toronto, Tel: (866) 740 1232, email: toronto@murata-ps.com UK: Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com France: Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com Germany: München, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com Japan: Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Website: www.murata-ps.jp China: Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com ISO 9001 REGISTERED 03/04/08 |
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