bpw 4 series data sheet, page 1 of 3 bias power revised 08/22/2011 www.biaspower.com specifications subject to change bias power supply module bpw 4 series data sheet single (vo) or dual (vo & vr) output bpw 4-08-00, -08-33, -08-50 bpw 4-14-00, -14-33, -14-50 bpw 4-24-00 the bpw 4 power supply module is an ideal solution for numer- ous control applications in lighting, sensing, smar t building and power distribution where operation from 277vac main s is re- quired. this low-cost supply provides up to four w atts of output power at 8, 14 and 24 vdc (vo) and optional 3.3 and 5.0 vdc (vr) output for microprocessors, logic, timing circuits, transceivers, sensors or other control functions. incorporating a custom inte- grated circuit into a small package (2.45 in 3 [40.1 cm 3 ]) the bias module provides an immediate drop-in solution, re quiring no additional external components. operating specifications (@120vac / 60 hz / 25oc unless otherwise specified) electrical input voltage range 85 - 308 vac (50/60hz) input surge withstand 345v, < 30 sec output power (pmax) 4 w min. (60hz) 3.33 w min. (50hz) efficiency 70% output vo (peak) 8, 14 or 24 vdc nom. +/- 5% line / load regulation vo (peak) +/- 1% po < pmax temperature regulation vo (peak) +/- 2% po < pmax ripple vo (@120 hz) (@ 100 khz) 1.75 v p:p 0.25 v p:p output vr, 3.3 volt (+/- 5%) for vo = 8v, ir out 160ma max, io+ir 500ma for vo = 14v, ir out 70ma max, io+ir 285ma for vo = 24v, vr not available output vr, 5.0 volt (+/- 5%) for vo = 8v, ir out 250ma max, io+ir 500ma for vo = 14v, ir out 83ma max, io+ir 285ma for vo = 24v, vr not available no-load consumption 30 mw typical @ vin=120 vac isolation 3000 vac (meets ul / csa & en product safety) earth leakage @ 120 vac < 10 ua short circuit protection continuous, pin 0.7 w @ vin = 120 vac reliability @ 25 c, mil hdbk-217f > 500 khr mtbf thermal operating temperature -30 to +70 o c operating relative humidity 0 C 95%, non-condensing storage temperature -40 to +105 o c mechanical package size (l x w x h) 1.91 x 1.31 x 0.98 inches [48.5 x 33.3 x 24.9 mm] safety safety compliance ul / en 60950-1 2 nd ed. (cb report available) emi emissions en 55022, class b, fcc part 15, class b features ? universal input (85-308 vac, 50/60hz) ? small size2.45 in 3 [40.1 cm 3 ] ? low no-load input power <30mw ? constant power mode, not current limit ? 3000 vac isolation ? up to 75% efficiency ? en 55022, class b; fcc part 15, class b ? meets ul/csa and en product safety (ite) bias power ac/dc power supplies are designed to be applied in two major categories of applications auxiliary, where the bias supply is one of two or more sup- plies and provides power for standby, housekeeping, bias- ing or other requirements. generally, these supply 3.3v or 5.0v requirements from the vr output. in some case s a small amount of vo power is used. second is as a main or utility supply where bias is the o nly supply and provides all power necessary for the pro duct or system. both vr and vo supplies are often utilized for opti- mum system performance. the characteristics of the vo and vr outputs are di fferent and each has application-specific benefits which ca n pro- vide high value to the system designer. vo is a voltage-regulated output which has a consta nt power mode instead of a conventional current limit. this output is best suited to drive mechanical relays, s olenoids, ssrs, capacitive loads, indicating lights, leds and as a source for isolated dc utility power which may be u sed directly or post-regulated with either a linear reg ulator or a dc/dc converter. vo is self protecting, cannot be over- loaded and can be shorted indefinitely. the gracef ul transi- tion from voltage regulation to constant power alon g with the wide range of product ratings, allows the desig ner to select a supply tightly matched to the design load. there is no need to oversize a bias power supply. unlike de sign- your-own, or partially complete modules where signi ficant design margin is required, to stay far away from cu rrent limit, biass constant power alternative requires n o such over-specing. vr is also a voltage-regulated output and is therma lly pro- tected from overload. it has very low output rippl e capable of driving microprocessors , logic, transceivers, s ensors and other elements which require a low-noise, tightly-r egulated supply. in addition, vr is supplied internally by vo. this means that any capacitance added to vo can increase the hold-up time of vr as well. *note: maximum currents specified for constant volt age range only. see v-i curve on page 2 for vo in cons tant power range.
bpw 4 series data sheet, page 2 of 3 bias power revised 08/22/2011 www.biaspower.com specifications subject to change bias power supply module bpw 4 series data sheet single (vo) or dual (vo & vr) output bpw 4-08-00, -08-33, -08-50 bpw 4-14-00, -14-33, -14-50 bpw 4-24-00 no load pow er vs input voltage 10 30 50 70 90 110 130 150 85 110 135 160 185 210 235 260 input voltage (vac) input power (mw) emi, radiated signal strength, typical, dbv/m emi, conducted, dbv 6 8 10 12 14 16 18 20 22 24 0 8.3 16.6 24.9 33.2 41.5 49.8 vo, volts f or 8, 14, 24 time, msec output regulation, vo 100% load 50% load 25% load 0.00 2.00 4.00 6.00 8.00 10.00 12.00 0 200 400 600 800 1,000 1,200 1,400 1,600 vo, volts io, ma v - i, typical constant power region
bpw 4 series data sheet, page 3 of 3 bias power revised 08/22/2011 www.biaspower.com specifications subject to change bias power supply module bpw 4 series data sheet single (vo) or dual (vo & vr) output bpw 4-08-00, -08-33, -08-50 bpw 4-14-00, -14-33, -14-50 bpw 4-24-00 part number designation part number output configuration vo vr bpw 4-08-00 single output 8 vdc n/a bpw 4-14-00 single output 14 vdc n/a bpw 4-14-33 dual output 14 vdc 3.3 vdc bpw 4-14-50 dual output 14 vdc 5.0 vdc bpw 4-08-33 dual output 8 vdc 3.3 vdc bpw 4-08-50 dual output 8 vdc 5.0 vdc bpw 4-24-00 single output 24 vdc n/a for custom configurations, contact bias power recommended land pattern, top view pin description l1 input high l2 input low n/c no connection vo output gnd ground vr vr output n/c no connection notes 1. pins 0.031 [0.787 mm] round 2. pins extend 0.125 [3.175 mm] below stand-offs isolation, bottom view
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: bias power: ? bpw 4-05-00? bpw 4-05-33? bpw 4-08-00? bpw 4-08-33? bpw 4-08-50? bpw 4-12-00? bpw 4-12-33? bpw 4-12-50 ? bpw 4-14-00? bpw 4-14-33? bpw 4-14-50? bpw 4-24-00? bpw 4-24-33? bpw 4-24-50
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