KEPCO KFD 6-25-60W Скачать руководство пользователя страница 27

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KFD 6-25-60/060801

FIGURE 14 HEAT SINK RESISTANCE CURVES FOR FINS ORIENTED

ALONG VERTICAL AND HORIZONTAL DIRECTIONS

Содержание KFD 6-25-60W

Страница 1: ...or the Kepco Docu mentation Office in New York 718 461 7000 requesting the correct revision for your par ticular model and serial number 3 The contents of this manual are protected by copyright Repro...

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Страница 3: ...Output Voltage Reversal 5 12 0 Isolation 5 13 0 Parallel Operation 5 14 0 Forced Load Sharing 5 15 0 Remote Sense 6 16 0 Safety Considerations 6 17 0 Output Voltage Trim 6 18 0 Thermal Considerations...

Страница 4: ...erter Circuit Configuration for RTrim Up to Increase Voltage Setpoint 17 9 Heat Sinks for Vertical Orientation Kepco Model KFD 02 and the Kepco Model KFD 04 18 10 Heat sinks for Horizontal Orientation...

Страница 5: ...erature range of 0 to 71 C Within this range the unit will operate according to the specifications listed below provided they are not subject to stress The unit will function with degraded reliability...

Страница 6: ...Hz to 20Mhz 100 mV p p max Output Current Minimum 1 0A Output Current Maximum 30 0A 1 At less than minimum load the DC to DC converter may exceed its output ripple specification TABLE 3 DYNAMIC RESPON...

Страница 7: ...ent 51 0 40 5 A Output Current Limit Inception 30 9 39 0 A Output Current 30 0 A Output Regulation Line Vi 36 to 72 Volts Load Io 1 0A to Iomax Temperature TA 0 C to 90 C 02 0 05 0 4 0 2 50 50 mV TABL...

Страница 8: ...be remotely controlled via a switch that the user must supply across the ON OFF terminal and the VI terminal VON OFF At logic low VON OFF 0 to 1 2 Volts the unit is ON and the maximum ION OFF when the...

Страница 9: ...rotect against a short circuit condition The forward voltage drops across the diodes do not affect the set point voltage applied to the load because of the remote sensing compensation If multiple unit...

Страница 10: ...quirements of the Safety Extra Low Voltage Standard SELV one of the following conditions must be valid for the D C input The Converter input meets all requirements of SELV or The Converter must be pro...

Страница 11: ...etween failure MTBF from falling below the specified rating The KFD Power Module is designed with temperature resis tant components such as ceramic capacitors that do not degrade during prolong exposu...

Страница 12: ...e additional air flow The following two examples illustrate how the curves can be used to determine thermal performance under various air flow and heat sink configurations Example 1 To determine the a...

Страница 13: ...the printed wiring board 18 8 RADIATION HEAT TRANSFER Radiation is not dependent upon the air flow over the power module but on the temperature difference between the module and the surrounding envir...

Страница 14: ...Short Circuit Protection Output Overvoltage Clamp 6 6 Volts minimum High Efficiency 80 Typical Fabricated with Surface Mount Technology Compatible for printed circuit board mounting Compatible for he...

Страница 15: ...E AND EFFICIENCY MEASUREMENTS FOR THE DC TO DC CONVERTER NOTE WHEN PLACING THE POWER MODULE INTO A PRINTED CIRCUIT BOARD SOCKET USE KELVIN CONNECTIONS AT THE POWER MODULE INPUT AND OUTPUT TERMINALS TO...

Страница 16: ...FLECTED RIPPLE FOR THE SINGLE OUTPUT KFD DC TO DC CONVERTER NOTE AT THE INPUT THE REFLECTED RIPPLE IS MEASURED WITH A SIMU LATED SOURCE IMPEDANCE OF 12 H THE CAPACITOR Cs OFFSETS POSSIBLE BATTERY IMPE...

Страница 17: ...KFD 6 25 60 060801 13 FIGURE 3 MECHANICAL OUTLINE DRAWING OF THE SINGLE OUT PUT KFD DC TO DC CONVERTER...

Страница 18: ...14 KFD 6 25 60 060801 FIGURE 4 REMOTE ON OFF WIRING CONFIGURATION FOR THE SINGLE OUTPUT KFD DC TO DC CONVERTER 3040491...

Страница 19: ...KFD 6 25 60 060801 15 FIGURE 5 WIRING CONFIGURATION FOR REDUNDANT PARALLEL OPERATION OF THE KFD DC TO DC CONVERTER...

Страница 20: ...16 KFD 6 25 60 060801 FIGURE 6 CIRCUIT CONFIGURATION FOR SINGLE KFD DC TO DC CONVERTER REMOTE SENSE OPERATION...

Страница 21: ...0801 17 FIGURE 7 TOP KFD DC TO DC CONVERTER CIRCUIT CONFIGURA TION FOR RTrim Down TO DECREASE VOLTAGE SETPOINT FIGURE 8 BOTTOM KFD DC TO DC CONVERTER CIRCUIT CONFIG URATION FOR RTrim Up TO INCREASE VO...

Страница 22: ...18 KFD 6 25 60 060801 FIGURE 9 HEAT SINKS FOR VERTICAL ORIENTATION KEPCO MODEL KFD 02 AND THE KEPCO MODEL KFD 04...

Страница 23: ...KFD 6 25 60 060801 19 FIGURE 10 HEAT SINKS FOR HORIZONTAL ORIENTATION KEPCO MODEL KFD 01 AND THE KEPCO MODEL KFD 03...

Страница 24: ...60801 FIGURE 11 FORCED CONVECTION DERATING POWER DISSIPATION VERSUS LOCAL AMBIENT TEMPERATURE NOTE THE GRAPHS ARE PLOTTED AS A FUNCTION OF THE AIR FLOW WITHOUT THE USE OF A HEAT SINK FOR THE KFD POWER...

Страница 25: ...KFD 6 25 60 060801 21 FIGURE 12 HEAT SINK DERATING CURVES NATURAL CONVECTION FINS ORIENTED ALONG THE WIDTH...

Страница 26: ...22 KFD 6 25 60 060801 FIGURE 13 HEAT SINK DERATING CURVES NATURAL CONVECTION FINS ORIENTED ALONG THE LENGTH...

Страница 27: ...KFD 6 25 60 060801 23 FIGURE 14 HEAT SINK RESISTANCE CURVES FOR FINS ORIENTED ALONG VERTICAL AND HORIZONTAL DIRECTIONS...

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