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The information contained in this document has been carefully researched and is, to the best 
of  our  knowledge,  accurate.  However,  we  assume  no  liability  for  any  product  failures  or 
damages,  immediate  or  consequential,  resulting  from  the  use  of  the  information  provided 
herein. Our products are not intended for use in systems in which failures of product could 
result  in  personal  injury.  All  trademarks  mentioned  herein  are  property  of  their  respective 
owners. All specifications are subject to change without notice. 

 
 

 

 

 

 

 

Instruction Manual 

DHS-Series 

Cosel 

 
 

Our company network supports you worldwide with offices in Germany, Austria,  

Switzerland, Great Britain and the USA. For more information please contact: 

 

 

FORTEC Elektronik AG

 

Hauptniederlassung 
Lechwiesenstr. 9 
86899 Landsberg am Lech 
 
Telefon:   +49 (0) 8191 91172-0 
Telefax:   +49 (0) 8191 21770 
E-Mail:  

sales@fortecag.de

 

Internet:    

www.fortecag.de

 

 

 

FORTEC Elektronik AG

 

Büro Nord 
Am Hasenkamp 36 
22457 Hamburg  
 
Telefon:   +49 (0) 40 54 80 56 11 
Telefax:   +49 (0) 40 54 80 56 13 
E-Mail:  

nord@fortecag.de

 

Internet:    

www.fortecag.de

 

FORTEC Elektronik AG

  

Büro West 
Hohenstaufenring 55 
50674 Köln 
 
Telefon:   +49 (0) 221 272 273-0 
Telefax:   +49 (0) 221 272 273-10 
E-Mail:  

west@fortecag.de

 

Internet:  

www.fortecag.de

 

 

 

FORTEC Elektronik AG 

Büro Wien 
Nuschinggasse 12  
A-1230 Wien 
 
Telefon:   +43 1 8673492-0  
Telefax:   +43 1 8673492-26  
E-Mail:  

office@fortec.at

 

Internet:  

www.fortec.at

 

 

ALTRAC AG

  

(Tochter der FORTEC):  
Bahnhofstraße 3 
CH-5436 Würenlos 
 
Telefon:   +41 (0) 44 7446111  
Telefax:   +41 (0) 44 7446161  
E-Mail: 

info@altrac.ch

 

Internet:  

www.altrac.ch

 

 

Summary of Contents for DHS100A

Page 1: ...For more information please contact FORTEC Elektronik AG Hauptniederlassung Lechwiesenstr 9 86899 Landsberg am Lech Telefon 49 0 8191 91172 0 Telefax 49 0 8191 21770 E Mail sales fortecag de Internet...

Page 2: ...frequency kHz Input current A Rated input fuse PCB Pattern Series Parallel operation availability Material Single sided Double sided Series operation Parallel operation DHS50A DHS50B Forward converter...

Page 3: ...ote sensing 4 6 Adjustable voltage range 4 7 Withstanding Voltage Isolation Voltage 5 Series and Parallel Operation DHS 20 5 1 Series operation 5 2 Redundancy operation 6 Implementation Mounting Metho...

Page 4: ...ling capacitor 3 1 2 Noise filter Decoupling capacitor 3 Noise filter 4 Cin External capacitor on the input side 3 1 3 External capacitor on the input side 5 Co External capacitor on the output side 3...

Page 5: ...itor Cin between VIN and VIN input pins within 50mm from pins DHS50B 100B more than 10 F DHS250B more than 22 F 4 Input voltage range Input current range The specification of input ripple voltage is s...

Page 6: ...4 5 Remote sensing 1 When Remote Sensing is Not Used When remote sensing is not used make sure VOUT and S are shorted and that VOUT and S are shorted as well Keep the patterns between S and VOUT and b...

Page 7: ...put voltage turn the potentiometer counter clockwise DHS200 DHS250 1 Output voltage adjusting Output voltage can be adjusted by connecting an external potenti ometer VR1 and resistors R1 and R2 as sho...

Page 8: ...ting Method 4 7 Withstanding Voltage Isolation Voltage When testing the withstanding voltage make sure the voltage is increased gradually When turning off reduce the voltage gradual ly by using the di...

Page 9: ...5deg temperature margin from the derat ing characteristic of Figure 6 3 6 2 Stress onto the pins Applying excessive stress to the input or output pins of the power module may damage internal connecti...

Page 10: ...ture fluctuation range as much as pos sible when the up and down of the temperature are frequently generated Contact us for more information on cooling methods DHS50 DHS100 40 20 0 20 40 60 80 100 110...

Page 11: ...nge The stress is accelerated by thermal cycling therefore the tem perature difference shoud be minimized as much as possible if temperature rise and down is occurred frequently Product lifetime expec...

Page 12: ...k AG auptniederlassung echwiesenstr 9 6899 Landsberg am Lech elefon 49 0 8191 91172 0 elefax 49 0 8191 21770 Mail sales fortecag de nternet www fortecag de ik AG 40 54 80 56 11 40 54 80 56 13 ortecag...

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