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DHC2803S Dataheets PDF



Part Number DHC2803S
Manufacturers MSK
Logo MSK
Description (DHC2800S Series) 6W DC-DC CONVERTERS
Datasheet DHC2803S DatasheetDHC2803S Datasheet (PDF)

www.DataSheet4U.com ISO-9001 CERTIFIED BY DSCC M.S.KENNEDY CORP. 4707 Dey Road Liverpool, N.Y. 13088 6W DC-DC CONVERTERS DHC2800S SERIES (315) 701-6751 FEATURES: 70% Typical Efficiency All Ceramic Capacitors Surface Mount Magnetics Withstands 5000G MIL STD 461C CE03 (With EFJ2803 Filter) 80 Volt Input Transient Tolerent No Derating - -55°C to +125°C Wide Supply Range - 10V to 50V High Isolation - 500V High Power Density - 17W/in³ Output Voltage Adjustment - Standard Remote Shutdown Operates.

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www.DataSheet4U.com ISO-9001 CERTIFIED BY DSCC M.S.KENNEDY CORP. 4707 Dey Road Liverpool, N.Y. 13088 6W DC-DC CONVERTERS DHC2800S SERIES (315) 701-6751 FEATURES: 70% Typical Efficiency All Ceramic Capacitors Surface Mount Magnetics Withstands 5000G MIL STD 461C CE03 (With EFJ2803 Filter) 80 Volt Input Transient Tolerent No Derating - -55°C to +125°C Wide Supply Range - 10V to 50V High Isolation - 500V High Power Density - 17W/in³ Output Voltage Adjustment - Standard Remote Shutdown Operates to 11V Input at 5W Available with 3.3V or 5V Outputs See DAC2800s Series for 12V and 15V Versions Available to DSCC SMD 5962-94629 and 5962-93092 MIL-PRF-38534 CERTIFIED www.DataSheet4U.com DESCRIPTION: The DHC2800S series of DC-DC converters provides the ruggedness, reliability and features required to meet the advanced design challenges of today's hi-rel market. The use of advanced substrate and reflow soldering techniques during construction results in a rugged, cost-effective and completely solderable package. DHC2800S hybrid converter series utilizes all ceramic capacitors and surface mount magnetics to provide reliable operation at all operating temperatures while surviving very high G forces. DHC2800S standard features include output fault monitoring and/or turn on voltage point programming via the shutdown pin. All three functions may be implemented simultaneously with a minimum of external components. An output voltage adjustment/load compensation pin is also standard. Fault tolerant design protects these converters from most external circuit faults. The output and output adjust pins will withstand +35V while the shutdown pin will withstand +50V protecting the converters from a variety of system or board faults i.e. solder bridges, etc. Unique load fault protection circuitry allows this converter to pull up loads having difficult static load line characteristics and allows short term load excursions significantly beyond ratings in most applications. A transformer isolated forward converter topology operating at a switching frequency of 400kHz allows operation over a wide input voltage range. Internal filtering of both input and output eliminates the need for external capacitors in many applications. The 8-pin DIP package is hermetically sealed and isolated from the internal circuits. Heat sinking is recommended for full power operation at elevated ambient temperatures. 1 Rev. F 9/05 www.DataSheet4U DataSheet4U.com www.DataSheet4U.com EQUIVALENT SCHEMATIC www.DataSheet4U.com TYPICAL APPLICATIONS Isolated Step Down Power Supply Microprocessor Power Source Low Voltage Subsystem Power Source 1 2 3 4 5 PIN-OUT INFORMATION +Output -Output Adjust/Comp NC Shutdown Plus 8 Case 7 -Input 6 +Input ABSOLUTE MAXIMUM RATINGS ○ ○ ○ ○ ○ ○ ○ 1 +50V VIN Input Voltage (pin 7 to pin 6) Input Transient (pin 7 to pin 6 @ 50mS) 80V VINT Output Current IOUT DHC2803S 2.0A DHC2805S 1.5A Case Temperature Range TC DHC2800S H/E -55°C to +125°C DHC2800S -40°C to +85.


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