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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...
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Model Circuit method frequency current input fuse Single Double Series Parallel Material [kHz] sided sided operation operation DHS50A Forward converter Aluminum DHS50B DHS100A Forward converter Aluminum DHS100B DHS200A Forward converter Aluminum DHS250B Refer to Specification. Refer to Instruction Manual. DHS-14...
+VOUT 3.2 Wiring output pin 4.5 Remote sensing Table 3.1 Recommended fuses (Normal-blow type) 4.6 Adjustable voltage range Model DHS50A/DHS100A DHS200A 4.5 Remote sensing Rated current 3.15A -VOUT 3.2 Wiring output pin...
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Fig.3.4 Reverse input voltage protection ¡ The specifi cation of input ripple voltage is shown as below. 3.2 Wiring output pin Ripple voltage DHS50A/100A/200A : less than 10Vp-p DHS50B/100B/250B : less than 20Vp-p ¡ Install an external capacitor Co between +VOUT and -VOUT pins ¡...
DC-DC Converters Bus Converter . Power Module Type Instruction Manual 100mm 4.4 Remote ON/OFF Measuring board ¡ The remote ON/OFF function is incorporated in the input circuit 2200pF and operated with RC and -VIN. +VIN +VOUT Table 4.1 Remote ON/OFF Specifi cations Load input ON/OFF logic...
Consult us if the power module is used in a different confi guration. +VOUT DHS200 DHS250 Control Amp. of 2.495V rated voltage Input voltage [V] Input voltage [V] DHS50A, DHS100A DHS200A -VOUT 3.3, 5V 3.3, 5V Fig. 4.6 Connecting External Parts (DHS250) Others Others Table 4.3 Recommended Values of External Resistors (DHS250)
DC-DC Converters Bus Converter . Power Module Type Instruction Manual (2) Output voltage decreasing ¡ By connecting the external resistor (RD), output voltage becomes Power Power Supply adjustable to decrease. Supply The external resistor (RD) is calculated the following equation. Power Supply Power...
DC-DC Converters Bus Converter . Power Module Type Instruction Manual Shield pattern -VOUT -VIN +VOUT -VOUT +VIN +VOUT -VIN DHS50, DHS100 +VIN -VOUT -VIN DHS50, DHS100 Shield pattern +VIN +VOUT -VOUT -VIN DHS200, DHS250 +VOUT, -VOUT Others Less than Less than Less than Less than +VOUT...
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DC-DC Converters Bus Converter . Power Module Type Instruction Manual ¡ It is necessary to note the thermal fatigue life by power cycle. 6.6 Heat sink(Optional parts) Please reduce the temperature fl uctuation range as much as pos- DHS50, DHS100 ¿...
DC-DC Converters Bus Converter . Power Module Type Instruction Manual DHS200, DHS250 ¿ 7 Lifetime expectancy depends on Table 6.2 Types of Heat Sinks Available stress by temperature difference Size[mm] Thermal resistance[C/W] Model Style Convection Forced Air (0.1m/s) F-CBS-F1 12.7 57.9 61.5 Horizontal ¡...
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Our company network supports you w ou worldwide with offices in Germany, Austria, Swit witzerland, Great Britain and the USA. For more information pl n please contact: ORTEC Elektronik AG Haup auptniederlassung Lech echwiesenstr. 9 8689 6899 Landsberg am Lech Telef elefon: +49 (0) 8191 91172-0...
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