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Fig.9.8

TUNS300F12

result

Fig.9.9

TUNS300F28

result

Fig.9.10

TUNS300F48

result

※

Maximum ambient temperature is limited at 70

℃

MAX to be considered the life of the electrolytic capacitor.

A-21

Applications Manual

TUNS300/500/700

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Summary of Contents for TUNS300

Page 1: ...SA 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 Intern...

Page 2: ...Rev 1 4E 08 Jan 2016 Applications Manual for TUNS300 500 700...

Page 3: ...Design Examples of Convection cooling Examples of Forced air cooling 10 Board layout Consideration for board layout Reference PCB layout 11 Example of which reduces EMI Means of the EMI reduction Swit...

Page 4: ...or FG Mounting hole FG S Remote sensing TRM Adjustment of output voltage VOUT DC output S Remote sensing BC BC output VOUT DC output R External resistor for inrush current protection BC BC output No P...

Page 5: ...DC63V 470uF ELXZ630ELL471 Nippon Chemi Con DC63V 470uF ELXZ630ELL471 Nippon Chemi Con F12 DC25V 10uF GRM31CR71E106 Murata Manufacturing DC25V 10uF GRM31CR71E106 Murata Manufacturing DC25V 10uF GRM31CR...

Page 6: ...ed the power supply or external components could be damaged When selecting a capacitor check the maximum allowable ripple current Ripple current includes low frequency component input frequency and hi...

Page 7: ...e safety standards as CY 2 5 Output capacitors Co C40 Install an external capacitor Co between VOUT and VOUT pins for stable operation of the power supply Recommended capacitance of Co is shown in Tab...

Page 8: ...7 Capacitor for boost voltage C20 C30 Install film capacitors with a rating of 1uF DC450V or higher as C20 and C30 If C20 and C30 are not connected the power supply or external components could be dam...

Page 9: ...e impedance Vin Input voltage rms Ip Primary Inrush current peak Calculation of required surge capacity Required surge capacity can be calculated using the following formula Please contact to the comp...

Page 10: ...n a necessary resistance of R1 and total capacitance of input interphase capacitors And the data of Fig 2 6 is the values that assumed the worst condition Please keep margin for rated voltage and powe...

Page 11: ...ure fluctuations as narrow as possible if temperature often fluctuates Fig 3 1 TUNS300F Output current derating Fig 3 2 TUNS500F Output current derating Fig 3 3 TUNS700F Output current derating A 8 In...

Page 12: ...and Input voltage derating A 9 In case of both Input voltage derating and load derating are required please multiply respective mitigation rate see Fig 3 5 Fig 3 6 Input voltage derating and Input vo...

Page 13: ...t temperature therefore cermet type potentiometer 300ppm and metallic film resistor 100ppm are recommended Connection devices outside the power supply Output voltage 12V 28V 48V Output voltage adjustm...

Page 14: ...nal components it is recommended that you adjust the potentiometer Output voltage decreasing Output voltage increasing A 11 TRM RU VOUT VOUT RT 2 7k Shunt regulator Vref S S TRM RD VOUT VOUT RT 2 7k S...

Page 15: ...flow through TRM terminal Output voltage adjustment by external voltage VTRM Output voltage Calculating formula A 12 The output voltage can be adjustable by applying voltage between the TRM terminal a...

Page 16: ...n parallel operation increases input current increases Adequate wiring design for input circuitry such as circuit pattern wiring and current for equipment is required If temperatures of aluminum base...

Page 17: ...actual operating condition And check the maximum allowable ripple current of the capacitor Fig 6 1 and Fig 6 2 shows the relationship between ripple voltage of boost voltage and temperature Vin AC85V...

Page 18: ...Fig 6 2 TUNS700F Relationship between ripple voltage of boost voltage and temperature Vin AC85V A 15 Applications Manual TUNS300 500 700...

Page 19: ...bc Fig 7 1 Fig 7 2 and Fig 7 3 show the relationship between holdup time and output current within the allowable capacitance of Cbc A 16 10 100 1000 0 20 40 60 80 100 120 Output current H o ld u p t i...

Page 20: ...d to the substrate after soldering there is a possibility of failure by adding mechanical stress to the soldering point and the internal connections of power supply A 17 Heat sink Heat sink retention...

Page 21: ...ns on our website Please consider this example as a design guideline because it changes by the heat dissipation environment Please measure the temperature of the actual equipment eventually 2 1 Pin co...

Page 22: ...UNS300F result Fig 9 4 TUNS500F result Fig 9 5 TUNS700F result Maximum ambient temperature is limited at 70 MAX to be considered the life of the electrolytic capacitor A 19 Applications Manual TUNS300...

Page 23: ...If it is difficult to measure the center of the baseplate please measure the leeward side of the baseplate edge A 20 Full brick size heatsink Mounting surface with heat dissipation sheet 117 61 23mm A...

Page 24: ...300F12 result Fig 9 9 TUNS300F28 result Fig 9 10 TUNS300F48 result Maximum ambient temperature is limited at 70 MAX to be considered the life of the electrolytic capacitor A 21 Applications Manual TUN...

Page 25: ...500F12 result Fig 9 12 TUNS500F28 result Fig 9 13 TUNS500F48 result Maximum ambient temperature is limited at 70 MAX to be considered the life of the electrolytic capacitor A 22 Applications Manual TU...

Page 26: ...700F12 result Fig 9 15 TUNS700F28 result Fig 9 16 TUNS700F48 result Maximum ambient temperature is limited at 70 MAX to be considered the life of the electrolytic capacitor A 23 Applications Manual TU...

Page 27: ...requirements vary based on different safety standards and conditions of usage Please place the components and wiring pattern according to those safety standards A 24 The potential voltage of each term...

Page 28: ...cuit board please pay attention to the distance between the base plate and electrolytic capacitor Exterior of the electrolytic capacitor is assumed to be the same potential as the negative electrode H...

Page 29: ...pends on the place of the FG connection Recommend connecting Y capacitor to the FG terminal of the power supply as close as possible Please evaluate before use Huge ripple current flows into the capac...

Page 30: ...s of the power supply is not connected properly malfunction or failure could happen Expose the solder mask around the hole of the FG connection on the PWB to connect FG terminals by screws Output capa...

Page 31: ...pattern layout Top view A 28 Applications Manual TUNS300 500 700 Fig 10 4 a Example of the pattern and components layout Top layer Fig 10 4 b Example of the pattern and components layout Bottom layer...

Page 32: ...tors at output side CY4 and CY5 Place the capacitors C20 CY4 and CY5 as close as possible to the power modules 11 4 EMI measure example Fig 11 1 show the circuit example for EN55022 ClassB Fig 11 1 Ex...

Page 33: ...50 60 70 80 90 Frequency L e v e l MHz dB V EN55022b TUNS700F48 ClassB 30 1000 50 100 500 0 80 10 20 30 40 50 60 70 Frequency L e v e l MHz dB V m EN22 B TUNS700F48 30 1000 50 100 500 0 80 10 20 30 40...

Page 34: ...ples of Convection cooling 9 3 Examples of Forced air cooling Addition A 23 A 24 A 18 A 23 1 2E 1 3E 3 29 May 2015 5 Parallel operation option P Addition 4 29 May 2015 8 Mounting method 9 Thermal Desi...

Page 35: ...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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