TDK-Lambda PFE300SA Series, Instruction Manual

Page 1: ...e and ambient humidity should be kept within specifications otherwise the product will be damaged Do not operate and store this product in an environment where condensation might occur In such case wa...

Page 2: ...V End equipment manufacturers must provide protection against inadvertent contact by a service engineer This information in this document is subject to change without prior notice Please refer to the...

Page 3: ...nting tapped holes Consider contact resistance when connecting AC L AC N R BC BC V V Note that BC and BC terminal are primary voltage with high voltage 390VDC Do not connect load from these terminals...

Page 4: ...cy PFHC Circuit fixed 100kHz DC DC Converter Circuit fixed 12 28V 230kHz primary 460kHz secondary DC DC Converter Circuit fixed 12 48V 180kHz primary 360kHz secondary 4 Sequence Time Chart Input Line...

Page 5: ...to wrong terminal the power supply will be damaged PFE300SA 500SA Series employs conduction cooling method Use heat sink and fan to dissipate heat For selection of heat sink and heat sink dissipation...

Page 6: ...Input Voltage Efficiency PF Power Factor For Efficiency and Power Factor values refer to separate document PFE300SA Series Evaluation Data or PFE500SA Series Evaluation Data C1 C4 C5 1uF Film Capacito...

Page 7: ...itor PFE300SA 470uF x 1 PFE500SA 390uF x 2 parallel Refer to Selection Method of External Bulk Capacitor for Boost Voltage below Allowable external capacitance at nominal capacitance value is shown be...

Page 8: ...ng on the wiring pattern of the printed circuit board Sudden change in output voltage due to sudden load change or sudden input voltage change can be reduced by increasing external output capacitance...

Page 9: ...r to Fig 5 2 and select a capacitor with higher ripple current rating 0 400 800 1200 1600 2000 0 100 200 300 400 500 Output Power W Ripple Current mA rms Fig 5 2 Allowable ripple current value The rec...

Page 10: ...d by the formula below Irush Vin R Formula 5 2 R Resistance Value for External TFR1 Vin Input Voltage converted to DC value Input Voltage rms x 2 Irush Input surge current value 2 Required Surge Curre...

Page 11: ...etails on Remote Sensing function refer to 6 7 Remote Sensing Output Voltage Adjustment using Fixed and Variable Resistors External resistor R2 and variable resistor VR values as well as circuit conne...

Page 12: ...h OTP function This function will activate and shutdown the output when ambient temperature or internal temperature abnormally rises OTP activates at following base plate temperature PFE300SA 12 28 48...

Page 13: ...description below in accordance with JEITA RC 9131B In the basic connection shown in Fig 5 1 additional connection shown in Fig 6 4 is done for measurement Capacitor Ceramic Capacitor 2 2 F and Electr...

Page 14: ...g 6 5 Series Operation Fig 6 6 Output Series Applications High Output Voltage Applications 6 11 Isolation Resistance Isolation resistance between Output Base plate is more than 100M at 500VDC For safe...

Page 15: ...2 5kVAC 1 minute 20mA 3kVAC 1 minute 20mA Fig 6 8 Fig 6 9 Input to Base plate Withstand Voltage Test Method Input to Output Withstand Voltage Test Method 1 5kVDC 1 minute Fig 6 10 Output to Base plate...

Page 16: ...emperature are maintained at or below the following temperature PFE300SA 12 28 48 100 PFE500SA 12 85 PFE500SA 28 48 100 Temperature at worst case operating condition at the measuring point shown in Fi...

Page 17: ...learance between the primary and the secondary In order to acquire safety standards for this power module creepage distance and clearance between the primary and the secondary is designed to be 7 5 mm...

Page 18: ...there no abnormality with the output load Is the actual baseplate temperature within the specified operating temperature of this module 2 Output voltage is high Are the remote sensing terminals S S c...

Page 19: ...his warranty period repair is free of charge Following cases are not covered by warranty 1 Improper usage like dropping products applying shock and defects from operation exceeding specification of th...