sensitron semiconductor PFCU-1500 technical data data sheet 4158, rev. e ? 221 west industry court ? deer park, ny 11729-4681 ? phone (631) 586-7600 ? fax (631) 242-9798 ? ? world wide web site - http://www.sensitron.com ? e-mail address - sales@sensitron.com ? 1500w single-phase power factor correction converters description harmonic current distortion is a common power quality problem. its adverse effects include degradation of system voltage waveforms, reduction of power factor, etc. the 1500w single-phase ac-dc converter with power factor correction (pfc) is designed to reduce harmonic currents and achieve near unity power factor in single-phase sy stems with frequency ranging from 45 hz to 65hz. the 1500w pfc converter is composed of a rectif ier bridge followed by a boost dc-dc converter employing average current control. features ? single-phase ac input, 85vac ~ 265vac input voltage, 45hz ~ 65 hz input frequency ? 395vdc output voltage ? up to 1500w output power ? 50khz switching frequency ? near unity power factor ? maximum 6% total harmonic current distortion at 220vac, 1500w ? over voltage, under voltage, over temperature protection, and instantaneous input current protection. ? base plate rated to 100 o c block diagram n l average current controller dc+ dc- dc/dc voltage regulator +12v _ + vref l_en com on enable temp sensor temp 100 ohm inrush current resistor 15 ohm figure 1 block diagram of 1500w single-phase pfc converter
sensitron semiconductor PFCU-1500 technical data data sheet 4158, rev. e ? 221 west industry court ? deer park, ny 11729-4681 ? phone (631) 586-7600 ? fax (631) 242-9798 ? ? world wide web site - http://www.sensitron.com ? e-mail address - sales@sensitron.com ? table 1 electrical characteristics (t a =25 o c, unless otherwise specified) parameter symbol min typ max unit input input voltage v in 85 265 vac input frequency f 45 65 hz startup input voltage 75 80 85 v soft start time i 0 =0 a, output filter capacitor = 1400 f 0.7 1.5 sec inrush current i 0 =0 a 22 50 a output i 0 =0.4a 390 395 400 v output voltage i 0 =4.0a v 0 376 380 383 v output power (see note 1) p 0 1500 w protection over output voltage protection (latching) 460 vdc over instantaneous input current protection (auto recovery) 59 a thermal protection (auto recovery) 100 o c miscellaneous operating temperature (see note 2) t a -55 100 o c thermal resistance (junction to case) r ? jc 0.09 o c/w isolation (input to case) 1500 vac electrical performance power factor pf 0.99 v in = 85vac 3 4 v in = 220vac 3 4 i 0 =2 a v in = 265vac 4 7 % v in = 85vac v in = 220vac total harmonic current distortion (see note 1) i 0 =4 a v in = 265vac athd 3 6 % v in = 85vac 88 v in = 220vac 92 i 0 =2 a v in = 265vac 93 % v in = 85vac 84 v in = 220vac 93 efficiency i 0 =4 a v in = 265vac 94 %
sensitron semiconductor PFCU-1500 technical data data sheet 4158, rev. e ? 221 west industry court ? deer park, ny 11729-4681 ? phone (631) 586-7600 ? fax (631) 242-9798 ? ? world wide web site - http://www.sensitron.com ? e-mail address - sales@sensitron.com ? note: 1) when the output power is below 10% of the rate d power, the input current will be significantly distorted. however, the output voltage remains in regulation. 2) not tested on actual units. ensured by design. pin description symbol description n, l ac line inputs dc+, dc- dc outputs l_en load enable pin. open collector output with an internal 100 ohm resistor. maximum collector current is 100ma. when vo is lower th an 365v, l_en is shorted to ?com?. on pfc enable pin. when ?on? pin is connected to com, pfc is enabled. otherwise, pfc is disabled and vo is the rectified ac input voltage. com control signal reference. connected to ?dc-?internally. 12v bias voltage supply. output current up to 20ma. temp substrate temperature sensor output. 10mv/ kelvin or (temp 273 100 ? ) o c typical application pfc n l dc+ dc- emi filter load l_en ac line figure 2. typical application of 1 500w single-phase pfc converter figure 2 illustrates the configuration of 1500w singl e-phase pfc converter in a typical application. external capacitor filter is required at the pfc converter output. selection of the output capacitor is usually determined by the switching frequency ripple current, the second harmonic ripple current, the dc voltage, the output ripple voltage and the hold-up time. all electrical characteristics in this datasheet are tested with an output capacitor of 1400 f, which generates maximum 20v peak-peak 2 nd harmonic ripple voltage. the inrush current is limited by an internal 15 ohm su rge resistor. to reduce power loss, the resistor is shorted after the pfc is powered up for 350m sec, no matter if the pfc converter is enabled. having a heavy load connected to the pfc output during start-up time will delay the charge of the output capacitor, and may result in high input current spikes. if customer load does not have under voltage lockout, it is recommended to insert a switch (e.g. a relay), controlled by the pin ?l_en?, between the load and the output capacitor, as shown in figure 2. ?l_en? changes its status when the output voltage reaches 365vdc. the logic of ?l_en? is configurable.
sensitron semiconductor PFCU-1500 technical data data sheet 4158, rev. e ? 221 west industry court ? deer park, ny 11729-4681 ? phone (631) 586-7600 ? fax (631) 242-9798 ? ? world wide web site - http://www.sensitron.com ? e-mail address - sales@sensitron.com ? mechanical outline
sensitron semiconductor PFCU-1500 technical data data sheet 4158, rev. e ? 221 west industry court ? deer park, ny 11729-4681 ? phone (631) 586-7600 ? fax (631) 242-9798 ? ? world wide web site - http://www.sensitron.com ? e-mail address - sales@sensitron.com ? disclaimer: 1- the information given herein, including the specifications and dimens ions, is subject to change without prior notice to impr ove product characteristics. before ordering, purchas ers are advised to contact the sensitron semiconductor sales department for the latest version of the datasheet(s). 2- in cases where extremely high reliabilit y is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety s hould be ensured by using semi conductor devices that featur e assured safety or by m eans of users? fail-safe precautions or other arrangement . 3- in no event shall sensitron semiconductor be liable for any dam ages that may result from an accident or any other cause duri ng operation of the user?s units according to the datas heet(s). sensitron semiconductor assumes no responsibility for any intellectual property claims or any other problems that may result from applications of info rmation, products or circuits described in the datasheets. 4- in no event shall sensitron semiconductor be liable for any fa ilure in a semiconductor device or any secondary damage result ing from use at a value exceeding the absolute maximum rating. 5- no license is granted by the datasheet(s ) under any patents or other rights of any third party or sensitron semiconductor. 6- the datasheet(s) may not be reproduced or duplicated, in any form, in whole or par t, without the expressed written permissio n of sensitron semiconductor. 7- the products (technologies) de scribed in the datasheet(s) are not to be provi ded to any party whose purpose in their applica tion will hinder maintenance of international peace and safety nor are they to be ap plied to that purpose by their direct purchasers or any thir d party. when exporting these products (technolog ies), the necessary procedures are to be taken in accordance with related laws and regulatio ns.
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