LDD-1000L

DC-DC Constant Current Step-Down LED driverLDD-Hseries DC-DC Constant Current Step-Down LED driverLDD-HseriesDC-DC Constant Current Step-Down LED driverLDD-HseriesFeatures : Features :Features : DC/DC step-down converter DC/DC step-down converterDC/DC step-down converter Constant currentoutput:300mA to 1000mA Constant currentoutput:300mA to 1000mAConstant currentoutput:300mA to 1000mA Wide input voltage: 9 ' 56VDC Wide input voltage: 9 ' 56VDCWide input voltage: 9 ' 56VDC Wide output LED string voltage: 2 ' 52VDC Wide output LED string voltage: 2 ' 52VDCWide output LED string voltage: 2 ' 52VDC High efficiency up to 97% High efficiency up to 97%High efficiency up to 97% Built-in EMI filter, comply with EN55015 and FCC part15 without Built-in EMI filter, comply with EN55015 and FCC part15 withoutBuilt-in EMI filter, comply with EN55015 and FCC part15 without additionalinput of filters and capacitors additionalinput of filters and capacitorsadditionalinput of filters and capacitors Built-in PWM and remote ON/OFF control Built-in PWM and remote ON/OFF controlBuilt-in PWM and remote ON/OFF control Protections: short circuit / Over temperature Protections: short circuit / Over temperatureProtections: short circuit / Over temperature Cooling by free air convection Cooling by free air convectionCooling by free air convection Fully encapsulated with IP67 level for pin and wire style Fully encapsulated with IP67 level for pin and wire styleFully encapsulated with IP67 level for pin and wire style Non-potted, optional conformalcoatingfor SMD style Non-potted, optional conformalcoatingfor SMD styleNon-potted, optional conformalcoatingfor SMD style (OrderNo.: LDD - 350 HSC) (OrderNo.: LDD - 350 HSC)(OrderNo.: LDD - 350 HSC) Compact size Compact sizeCompact size Low cost,high reliability Low cost,high reliabilityLow cost,high reliability Suitable for driving illumination LED Suitable for driving illumination LEDSuitable for driving illumination LED 3 years warranty 3 years warranty3 years warrantyLDD-350H W LDD-350H WLDD-350H W Blank : pin style W : wire style S : SMD style Blank : pin style W : wire style S : SMD styleBlank : pin style W : wire style S : SMD styleSPECIFICATION SPECIFICATIONSPECIFICATION ORDER NO. ORDER NO.ORDER NO. LDD-300HLDD-350HLDD-500HLDD-600HLDD-700HLDD-1000H LDD-300HLDD-350HLDD-500HLDD-600HLDD-700HLDD-1000HLDD-300HLDD-350HLDD-500HLDD-600HLDD-700HLDD-1000H CURRENT RANGE CURRENT RANGECURRENT RANGE 300mA350mA 300mA350mA300mA350mA 500mA 500mA500mA 600mA 600mA600mA 700mA1000mA 700mA1000mA700mA1000mA VOLTAGE RANGE Note.4 2 ~ 52VDC VOLTAGE RANGE Note.4 2 ~ 52VDCVOLTAGE RANGE Note.4 2 ~ 52VDCOUTPUT OUTPUTOUTPUT CURRENT ACCURACY (Typ.) CURRENT ACCURACY (Typ.)CURRENT ACCURACY (Typ.) 3% at 24vdc input ; 4% at 48VDC input for LDD-H/HW ; 5% for LDD-HS 3% at 24vdc input ; 4% at 48VDC input for LDD-H/HW ; 5% for LDD-HS3% at 24vdc input ; 4% at 48VDC input for LDD-H/HW ; 5% for LDD-HS RIPPLE & NOISE(max.) Note.2 150mVp-p RIPPLE & NOISE(max.) Note.2 150mVp-pRIPPLE & NOISE(max.) Note.2 150mVp-p 150mVp-p 150mVp-p150mVp-p 150mVp-p 150mVp-p150mVp-p 200mVp-p 200mVp-p200mVp-p 200mVp-p 350mVp-p 200mVp-p 350mVp-p200mVp-p 350mVp-p SWITCHING FREQENCY SWITCHING FREQENCYSWITCHING FREQENCY 40KHz ~ 1000khz 40KHz ~ 1000khz40KHz ~ 1000khz EXTERNAL CAPACITANCE LOAD (max.) 2.2 uF EXTERNAL CAPACITANCE LOAD (max.) 2.2 uFEXTERNAL CAPACITANCE LOAD (max.) 2.2 uF VOLTAGE RANGE EFFICIENCY (max.) VOLTAGE RANGE EFFICIENCY (max.)VOLTAGE RANGE EFFICIENCY (max.) 9 ~ 56VDC 9 ~ 56VDC9 ~ 56VDC 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS INPUT INPUTINPUTDC CURRENT THE DC CURRENTTHE DC CURRENT Full loadNote.3 270mA Full loadNote.3 270mAFull loadNote.3 270mA 320mA 320mA320mA 450mA 450mA450mA 550mA 550mA550mA 650mA900mA 650mA900mA650mA900mAFILTER FILTERFILTER Does not load Does not loadDoes not load 5mA 5mA5mA Capacitor CapacitorCapacitor Leave open if not use Leave open if not useLeave open if not use PWM PWMPWM ATTENUATION ATTENUATIONATTENUATION & ON/OFF & ON/OFF& ON/OFF REMOTE ON/OFF REMOTE ON/OFFREMOTE POWER ON/OFFPWM FREQUENCY PWM FREQUENCYPWM FREQUENCY POWER on with dimming: DIM ~ - Vin >2.5 ~ 6VDC or open circuit POWER on with dimming: DIM ~ - Vin >2.5 ~ 6VDC or open circuitPOWER on with dimming: DIM ~ - Vin >2.5 ~ 6VDC or open circuit OFF : DIM ~ -Vin < 0.8 vdc or short OFF : DIM ~ -Vin < 0.8 vdc or shortOFF : DIM ~ -Vin < 0.8 vdc or short 100 ~ 1KHz 100 ~ 1KHz100 ~ 1KHz CONTROL CONTROLCONTROL REST of ENTRY CURRENT1mA at PWM dimming OFF and 24VDC input REST of ENTRY CURRENT1mA at PWM dimming OFF and 24VDC inputREST of ENTRY CURRENT1mA at PWM dimming OFF and 24VDC input IN the STOP MODE(max.) IN the STOP MODE(max.)IN the STOP MODE(max.) PROTECTION PROTECTIONPROTECTIONSHORT CIRCUIT SHORT CIRCUITSHORT CIRCUITOVER TEMPERATURE WORKING TEMP. THE OVER TEMPERATURE WORKING TEMP.THE OVER TEMPERATURE WORKING TEMP. OPERATING HUMIDITY STORAGE TEMPERATURE, HUMIDITY OPERATING HUMIDITY STORAGE TEMPERATURE, HUMIDITYOPERATING HUMIDITY STORAGE TEMPERATURE, HUMIDITY Regulated at rated output current Regulated at rated output currentRegulated at rated output current Protection type: Can be continued, recovers automatically after fault condition is removed Protection type: Can be continued, recovers automatically after fault condition is removedProtection type: Can be continued, recovers automatically after fault condition is removed Tj 150 typically(IC1) detect on main control IC Tj 150 typically(IC1) detect on main control ICTj 150 typically(IC1) detect on main control IC Protection type : Shut down, recovers automatically after temperature goes down Protection type : Shut down, recovers automatically after temperature goes downProtection type : Shut down, recovers automatically after temperature goes down -40 ~ + 85(Refer to the reduction of the curve) -40 ~ + 85(Refer to the reduction of the curve)-40 ~ + 85(Refer to the reduction of the curve) 20% ~ 90% RHnon-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS 20% ~ 90% RHnon-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS20% ~ 90% RHnon-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS -55 ~ +125, 10 ~ 95% RH -55 ~ +125, 10 ~ 95% RH-55 ~ +125, 10 ~ 95% RH ENVIRONMENTTEMP. COEFFICIENT VIBRATION ENVIRONMENTTEMP. COEFFICIENT VIBRATIONENVIRONMENTTEMP. COEFFICIENT VIBRATION 0.03% / 0.03% /0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60 min. each along X, y, Z axes 10 ~ 500Hz, 2G 10min./1 cycle, period for 60 min. each along X, y, Z axes10 ~ 500Hz, 2G 10min./1 cycle, period for 60 min. each along X, y, Z axes OPERATING CASE TEMP. (max.) 100 OPERATING CASE TEMP. (max.) 100OPERATING CASE TEMP. (max.) 100EMC EMCEMC EMC EMISSION EMC IMMUNITY MTBF EMC EMISSION EMC IMMUNITY MTBFEMC EMISSION EMC IMMUNITY MTBF DIMENSION DIMENSIONDIMENSION Compliance to EN55015, FCC part 15 class B Compliance to EN55015, FCC part 15 class BCompliance to EN55015, FCC part 15 class B Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria ACompliance to EN61000-4-2,3,4,6,8, light industry level, criteria A 2000Khrs min.MIL-HDBK-217F (25) 2000Khrs min.MIL-HDBK-217F (25)2000Khrs min.MIL-HDBK-217F (25) 31.8*20.3*12.2 mm or 1.25"*0.8"*0.48 "(L*W*H) for LDD-H/HW ; 31.8*20.3*11.4 mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS 31.8*20.3*12.2 mm or 1.25"*0.8"*0.48 "(L*W*H) for LDD-H/HW ; 31.8*20.3*11.4 mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS31.8*20.3*12.2 mm or 1.25"*0.8"*0.48 "(L*W*H) for LDD-H/HW ; 31.8*20.3*11.4 mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS OTHERSWEIGHT OTHERSWEIGHTOTHERSWEIGHT POTTING MATERIAL POTTING MATERIALPOTTING MATERIAL LDD-H:15.6 g ; LDD-HW:18g ; LDD-HS:12.8 g LDD-H:15.6 g ; LDD-HW:18g ; LDD-HS:12.8 gLDD-H:15.6 g ; LDD-HW:18g ; LDD-HS:12.8 g Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HSExpoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HSNOTE NOTENOTE 1.All the parameters are specified in normalinput(48VDC), rated load, 25 70% rh ambient. 1.All the parameters are specified in normalinput(48VDC), rated load, 25 70% rh ambient.1.All the parameters are specified in normalinput(48VDC), rated load, 25 70% rh ambient. 2.Ripple and noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1 uf capacitor. 2.Ripple and noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1 uf capacitor.2.Ripple and noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1 uf capacitor. 3.Test condition:48VDC input. 3.Test condition:48VDC input.3.Test condition:48VDC input. 4.Outputvoltage is always step by 3 volts from input DC voltage. 4.Outputvoltage is always step by 3 volts from input DC voltage.4.Outputvoltage is always step by 3 volts from input DC voltage. 5.The output of LDD-H should not be connected to the input of the same unit or from other sources. 5.The output of LDD-H should not be connected to the input of the same unit or from other sources.5.The output of LDD-H should not be connected to the input of the same unit or from other sources. File name:LDD-H-SPEC 2015-08-24 File name:LDD-H-SPEC 2015-08-24File name:LDD-H-SPEC 2015-08-24