specification model dc voltage rated current rated power output line regulation load regulation setup, rise time note.7 hold up time (typ.) voltage range note.5 frequency range power factor (typ.) efficiency (typ.) ac current input inrush current (typ.) leakage current working temp. working humidity storage temp., humidity temp. coefficient vibration mtbf dimension others note packing over current note.4 over voltage 12v LPF-25-12 lpf-25-15 lpf-25-20 lpf-25-24 lpf-25-30 lpf-25 -36 lpf-25-42 lpf-25-48 lpf-25-54 6 ~12v 15v 7.5 ~ 15v 20v 10 ~ 20v 24v 12 ~ 24v 30v 15 ~ 30v 36v 18 ~ 36v 48v 24 ~ 48v 2.1a 1.67a 1.25a 1.05a 0.84a 0.7a 0.53a 25.2w 25.05w 25w 25.2w 25.2w 25.2w 25.44w 150mvp-p 150mvp-p 150mvp-p 150mvp-p 200mvp-p 250mvp-p 250mvp-p 4.0% 4.0% 4.0% 4.0% 4.0% 4.0% 4.0% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 2.0% 1.5% 1.0% 0.5% 0.5% 0.5% 0.5% 1500ms, 80ms / 115vac at full load 1500ms, 80ms / 230vac 16ms at full load 230vac /115vac 90 ~ 305vac 127 ~ 431vdc 47 ~ 63hz pf>0.97/115vac, pf>0.95/230vac, pf>0.92/277vac at full load (pl ease refer to "power factor characteristic" curve) 84% 85% 86% 86% 86% 86% 87% cold start 50a/230vac <0.75ma / 240vac 95 ~ 108% protection type : constant current limiting, recovers automatical ly after fault condition is removed 20 ~ 95% rh non-condensing -40 ~ +80 , 10 ~ 95% rh 0.03%/ (0 ~ 50 ) 10 ~ 500hz, 5g 12min./1cycle, period for 72min. each along x, y, z axes 473.4khrs min. mil-hdbk-217f (25 ) 148*40*32mm (l*w*h) 1. all parameters not specially mentioned are measured at 230vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. tolerance : includes set up tolerance, line regulation and load regula tion. 4. constant current operation region is within 50% ~100% rated output vol tage. this is the suitable operation region for led related application s, but please reconfirm special electrical requirements for some specific syste m design. 5. derating may be needed under low input voltages. please check the static c haracteristics for more details. 6. suitable for indoor use or outdoor use without direct sunlight explos ure.please avoid immerse in the water over 30 minutes. 7. length of set up time is measured at cold first start. turning on/off the powe r supply may lead to increase of the set up time. 8. the power supply is considered as a component that will be operated in combi nation with final equipment. since emc performance will be affected by t he complete installation, the final equipment manufacturers must re- qualify emc directive on the complete installation again. protection type : shut down and latch off o/p voltage, re-power on to recove r ripple & noise (max.) note.2 voltage tolerance note.3 environment safety & emc protection short circuit hiccup mode, recovers automatically after fault condition is remove d. ul8750, csa c22.2 no. 250.0-08 (except for 48v, 54v), en61347-1, en61347-2-13 independent ; design refer to ul60950-1, tuv en60950-1 , ip67 approved 54v 27 ~ 54v 0.47a 25.38w 350mvp-p 4.0% 0.5% 0.5% 42v 21 ~ 42v 0.6a 25.2w 250mvp-p 4.0% 0.5% 0.5% 86% 86.5% 15 ~ 18v 17.5 ~ 21v 23 ~ 27v 28 ~ 35v 34 ~ 40v 41 ~ 49v 54 ~ 63v 0.4a / 115vac 0.2a / 230vac 46 ~ 54v 59 ~ 66v file name:lpf-25-spec 2011-12-21 25w single output switching power supply universal ac input / full rangeprotections: short circuit / overload / over voltage / over temperature built-in active pfc function cooling by free air convection fully suitable for led lighting and moving sign applications compliance to worldwide safety regulations for lighting 3 years warranty (up to 305vac) suitable for dry / damp / wet locations fully isolated plastic case encapsulated with ip67 level (note.6) class power unit, no fg class 2 power unit features : l p f - 2 5 s e r i e s isolation resistance constant current region note.4 safety standards note.6 withstand voltage i/p-o/p:3.75kvac i/p-o/p:100m ohms / 500vdc / 25 / 70% rh ip67 f m m 110 selv over temperature emc immunity compliance to en55015; en61000-3-2 class c ( 50% load) ; en61000-3-3 compliance to en61000-4-2,3,4,5,6,8,11; en61547,light indus try level(surge 2kv), criteria a emc emission -40 ~ +70 (refer to "derating curve") 95j 5j( tsw1) detect on u2 protection type : shut down o/p voltage, recover automatically after te mperature goes down 0.36kg; 40pcs/ 15.4kg/1.02cuft ( except for 48v,54v ) ( for 48v,54v only)
input voltage (v) 60hz 90 100 125 135 145 155 165 175 180 200 230 305 100 90 80 70 60 50 40 load (%) derating curve derating curve static characteristics ambient temperature ( ) j 175 load (%) mechanical specification case no.: lpf-16a unit:mm ac/n(blue) ac/l(brown) +v(red) -v(black) sjtw 18awg 300 20 3.6 3.6 148 3.5 3.5 3.5 3.5 40 300 20 32 25w single output switching power supply l p f - 2 5 s e r i e s file name:lpf-25-spec 2011-12-21 fosc : 100khz detection pwm & pfc circuit o.l.p. emi filter rectifiers power switching filter & rectifiers +v -v i/p control o.v.p. & o.l.p. pfc circuit block diagram 230vac input only load (%) -40 -30 0 -15 15 30 50 60 70 20 40 60 80 100 (horizontal) svt 18awg*2c 60 t case t case: max. case temperature. 13
25w single output switching power supply l p f - 2 5 s e r i e s file name:lpf-25-spec 2011-12-21 there are two major kinds of led drive method "direct drive" and "with led driv er". typical led power supply i-v curve a typical led power supply may either work in "constant voltage mode (cv) or c onstant current mode (cc)" to drive the leds. mean well's led power supply with cv+ cc characteristic can b e operated at both cv mode (with led driver, at area (a) and cc m ode (direct drive, at area (b). driving methods of led module 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 277vac 230vac 115vac 0 . 8 4 0 . 8 5 0 . 8 6 0 . 8 7 0 . 8 8 0 . 8 9 0 . 9 0 . 9 1 0 . 9 2 0 . 9 3 0 . 9 4 0 . 9 5 0 . 9 6 0 . 9 7 0 . 9 8 0 . 9 9 1 5 0 % 6 0 % 7 0 % 8 0 % 9 0 % 1 0 0 % 2 7 7 v a c 2 3 0 v a c 1 1 5 v a c lpf-25 series possess superior working efficiency that up to 87% can be rea ched in field applications. load efficiency (%) efficiency vs load (48v model) pf load constant current mode (25w) power factor characteristic 100 50 (max.) vo(%) 50 95 io(%) (a) constant voltage area (b) constant current area (c) hiccup protection
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