1、Constant current region of CLG-150-24:1224V, so the LED series connection shouldbe 4 to 7.Since PF0.9 only for 75% of rated load or higher, the recommnaded series connection is 6 or 7.Use C.V. orC.C. modeAdd ballastresistor tobalanceevery branchR=V-(VF1+VF2+.+VFn)/IFNote:V : Rated output voltage ofL
2、ED power supplyVF: LEDs forward voltageI F : LEDs forward currentExample:Using LPV-60-24(24V/2.5A)to drive a LED array which 6LEDs connected in series ineach branch and 4 branchesconnected in parallel Low cost Simple Brightness of LED is uneven Poor efficiencyDriver ICis used asa constantcurrent sou
3、rce(without ballastresistor)PWM constant current sourcewill regulate forward currentto achieve even current at eachbranch High efficiency Perfect current balance to each Longer lifetime for LEDs Highest cost High complexity EMC problem at lightingequipment sideConstant-current drive power1 LRW-030Wx
4、xxVxxxx1) Features High Efficiency (Up to 86%) Active Power Factor Correction (Typical 0.86) Constant Output Current Waterproof (IP67) All-Round Protection: OVP, SCP, OTP Comply With UL8750 & EN61347 Regulations Universal AC input / Full range Fully encapsulated with IP67 level Protections: Short ci
5、rcuit / Overload / Over voltage /Over temp. ( LPLC / LPHC-18 only ) Constant current design (C.C.+C.V. mode) Withstand 300VAC surge input for 5 seconds Cooling by free air convection Pass LPS 100% full load burn-in test Low cost, high reliability Suitable for LED-based decorative/architectural light
6、ing, LED stage and theater lighting, and LED electronic displays 2 years warranty2) DescriptionThe LRW-030WxxxVxxxx Series operate from a 90 264 Vac input range. These units will provide up to 2500 mA of output current and a maximum output voltage of 85 V for 30 W output model. They are designed to
7、be highly efficient and highly reliable. Features include over voltage protection, short circuit protection and over temperature protection.3) ModelsOutputCurrentInput VoltageMax.VoltagePowerTypicalEfficiencyPower FactorModel Number115Vac230Vac2500mA90 264 Vac12 Vdc30 W83%0.860.84LRW-030W012V2500166
8、0mA18Vdc84%LRW-030W018V16601250mA24 Vdc85%LRW-030W024V1250830 mA36 Vdc86%LRW-030W036V0830700 mA42 VdcLRW-030W048V0700450 mA66 VdcLRW-030W066V0450350 mA85 Vdc87%LRW-030W085V0350Notes: (1) Output current is adjustable at the factory from 50% to 100%.(2) Measured at full load and 230 Vac input.4) Input
9、 SpecificationsParameterMin.Typ.Notes85 V100-240V270 VInput Frequency47 Hz60/50 Hz63 HzAC inrush current45ACold start, 60A at 230VACInput AC Current0.43 AMeasured at full load and 100 Vac input.0.23 AMeasured at full load and 240 Vac input.5) Output SpecificationsOutput Current RangeIo = 2500 mAIo =
10、 1660 mAIo = 1250 mAIo = 830 mAIo = 700 mAIo = 450 mAIo = 350 mA2375mA1580mA1190mA790 mA665 mA428 mA333 mA2625mA1740mA1310mA870 mA735 mA472 mA367 mAOutput Voltage Range6 V9 V12 V18 V21 V33 V42 V24 V36 V66 VRipple and Noise (pk-pk)2% VOMeasured by 20 MHz bandwidthoscilloscope and the output parallele
11、d a0.1 uF ceramic capacitor and a 10 uFelectrolytic capacitor.Line Regulation1%Load Regulation3%Turn-on Delay Time3 SOutput Overshoot /Undershoot10%When power on or off. All specifications are typical at 25 C unless otherwise stated.6) Protection FunctionsOver Voltage Protection16 V25 V57 V92 V119 V
12、Latch mode. The power supply shallreturn to normal operation only after thepower is turn-on again.Over Temperature Protection110 CMaximum temperature of componentsinside the case.Short Circuit ProtectionNo damage shall occur when any output operating in a short circuit condition. The power supply sh
13、all be self-recovery when the fault condition is removed.7) General SpecificationsF or 700 mA output models, measured at full load and 115 Vac input.F or 700 mA output models, measured at full load and 230 Vac input.No Load Power Dissipation 1.0 WMeasured at 230 Vac input.MTBF300,000 hoursAt 115Vac
14、input, full load and 25C ambient temperature (MIL-HDBK-217F)Life Time80,000 hoursAt 25C ambient temperature.DimensionsInches (L W H)Millimeters (L Weight8) Environmental SpecificationsOperating Temperature-20 +60 Humidity: 10% RH to 100% RHStorage Temperature-40 +85 5% RH to 100% RH9) Safety & EMC C
15、omplianceSafety CategoryCountryStandardCULUSA & CanadaUL8750 Compliance to UL1310 Class2 UL1012 UL935,CAN/CSA-C22.2 No. 0, CSA-C22.2 No. 107.1, CSA-C22.2 No. 250.0CE/3CEurope/CQCEN 61347-1, EN61347-2-13,GB19510EMI StandardsEN 55015Conducted emission Test & Radiated emission Test with 6 dB marginEN 6
16、1000-3-2Harmonic current emissionsEN 61000-3-3Voltage fluctuations & flickerEN 61000-4-2Electrostatic Discharge (ESD): 8 kV air discharge, 4 kV contact dischargeEN 61000-4-3Radio-Frequency Electromagnetic Field Susceptibility Test-RSEN 61000-4-4Electrical Fast Transient / Burst-EFTEN 61000-4-6Conduc
17、ted Radio Frequency Disturbances Test-CSEN 61000-4-8Power Frequency Magnetic Field TestEN 61000-4-11Voltage DipsEN 61547Electromagnetic Immunity Requirements Applies to Lighting Equipment10) Mechanical Outline11)RoHS ComplianceOur products comply with the European Directive 2002/95/EC, calling for t
18、he elimination of lead and other hazardous substances from electronic products.2 LRW-060WxxxVxxxx High Efficiency (Up to 92%) Active Power Factor Correction (Up to 0.99) Constant Current Output Lightning Protection EN61347 Safety RegulationsThe LRW-060WxxxVxxxx Series operate from a 90 305 Vac input
19、 range. These units will provide up to a 5 A of output current and a maximum output voltage of 170 V for 60 W maximum output power. They are designed to be highly efficient and highly reliable. Features include over voltage protection, short circuit protection and over temperature protection.5000mA90 305 Vac60 W88%0.990.96LRW-060W012V50003300mA18 Vdc89%LRW-060W018V33002300mA90 305Vac27Vdc1700mA36Vdc90%LRW-060W036V17001400mA43 VdcLRW-060W043V14001050 mA58 Vdc91%LRW-060W058V105086 VdcLRW-060W086V0700134 Vdc92%LRW-060W134V0450170 Vdc
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