LDD-L DC-DC Constant Current Step-Down LED driver series Features : DC/DC step-down converter Constant current output: 300mA to 700mA Wide input voltage: 9 ~ 36VDC Wide output LED string voltage: 2 ~ 32VDC High efficiency up to 95% Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors Built-in PWM dimming and remote ON/OFF control Protections: Short circuit / Over temperature Cooling by free air convection Fully encapsulated with IP67 level for pin and wire style Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty LDD-350L W Blank : pin style W : wire style S : SMD style SPECIFICATION ORDER NO. CURRENT RANGE VOLTAGE RANGE OUTPUT LDD-300L LDD-350L LDD-500L LDD-600L LDD-700L 300mA 350mA 500mA 600mA 700mA 200mVp-p 200mVp-p Note.4 2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS CURRENT ACCURACY (Typ.) 5% at 24VDC input RIPPLE & NOISE(max.) Note.2 150mVp-p 150mVp-p 150mVp-p 40KHz ~ 1000KHz SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 2.2uF VOLTAGE RANGE INPUT 9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS 95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS EFFICIENCY (max.) 350mA 500mA 600mA 700mA Full load Note.3 300mA DC CURRENT 5mA No load FILTER Capacitor Leave open if not use PWM REMOTE ON/OFF DIMMING & PWM FREQUENCY ON/OFF CONTROL QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(max.) SHORT CIRCUIT PROTECTION OVER TEMPERATURE WORKING TEMP. WORKING HUMIDITY STORAGE TEMP., HUMIDITY ENVIRONMENT TEMP. COEFFICIENT Power ON with dimming: DIM ~ -Vin >3.5 ~ 8VDC or open circuit Power OFF : DIM ~ -Vin < 0.5VDC or short 100 ~ 1KHz 1mA at PWM dimming OFF and 24VDC input Regulated at rated output current Protection type: Can be continued, recovers automatically after fault condition is removed Tj 150 typically(IC1) detect on main control IC Protection type : Shut down, recovers automatically after temperature goes down -40 ~ + 85(Refer to derating curve) 20% ~ 90% RH non-condensing for LDD-300~700L/LW ; 20% ~ 85% RH non-condensing for LDD-300~700LS -55 ~ +125, 10 ~ 95% RH 0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes VIBRATION OPERATING CASE TEMP. (max.) 100 EMC OTHERS NOTE EMC EMISSION EMC IMMUNITY Compliance to EN55015, FCC part 15 class B MTBF DIMENSION 2000Khrs min. MIL-HDBK-217F (25) 22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch (L*W*H) for LDD-300~700L/LW ; 25.4*10.5*9.3mm or 1"*0.4135"*0.366" inch (L*W*H) for LDD-300~700LS WEIGHT LDD-300~700L:4g ; LDD-300~700LW:7.3g ; LDD-300~700LS :3.4g POTTING MATERIAL Expoxy(UL94-V0) for LDD-300~700L/LW ; without potted for LDD-300~700LS Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A 1.All parameters are specified at normal input(24VDC), rated load, 25 70% RH ambient. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor. 3.Test condition: 24VDC input. 4.Output voltage will always step down by 3 volts from input DC voltage. 5.The output of LDD-L should not be connected to the input of the same unit or output from other sources. File Name:LDD-L-SPEC 2015-06-03 DC-DC Constant Current Step-Down LED driver LDD-L series Features : DC/DC step-down converter Constant current output: 1000mA to 1500mA Wide input voltage: 6 ~ 36VDC Wide output LED string voltage: 2 ~ 30VDC High efficiency up to 95% Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors Built-in PWM +analog dimming and remote ON/OFF control Protections: Short circuit Cooling by free air convection Fully encapsulated with IP67 level for pin and wire style Non-potted, optional conformal coating for SMD style (Order No.: LDD- 1000 LSC) Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty LDD-1000L W Blank : pin style W : wire style S : SMD style SPECIFICATION ORDER NO. CURRENT RANGE VOLTAGE RANGE OUTPUT LDD-1000L LDD-1200L LDD-1500L 1000mA 1200mA 1500mA 1.5Vp-p 1.5Vp-p Note.4 2 ~ 30VDC CURRENT ACCURACY (Typ.) 5% at 24VDC input RIPPLE & NOISE(max.) Note.2 1.5Vp-p 1000KHz SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 2.2uF VOLTAGE RANGE INPUT 6 ~ 36VDC 95% at full load and 24VDC/36VDC input for LDD-1000~1500L/LW EFFICIENCY (max.) 1160mA Full load Note.3 990mA DC CURRENT 5mA No load FILTER 1450mA Capacitor Leave open if not use PWM REMOTE ON/OFF DIMMING & PWM FREQUENCY ON/OFF CONTROL QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(max.) Power ON with dimming: DIM ~ -Vin >2.6 ~ 5.5VDC or open circuit ANALOG DIMMING REMOTE ON / OFF & ON/OFF CONTROL Leave open if not use PROTECTION SHORT CIRCUIT WORKING TEMP. WORKING HUMIDITY STORAGE TEMP., HUMIDITY ENVIRONMENT TEMP. COEFFICIENT Power OFF : DIM ~ -Vin < 0.4VDC or short 100 ~ 500Hz 1mA at PWM dimming OFF and 24VDC input Power ON with dimming : DIM ~ -Vin>0.5~2.5VDC or open circuit Power OFF : DIM ~ -Vin<0.4VDC or short Regulated at rated output current Protection type: Can be continued, recovers automatically after fault condition is removed -40 ~ + 71(Refer to derating curve) 20% ~ 90% RH non-condensing for LDD-1000~1500L/LW ; 20%~85% RH non-condensing for LDD-1000~1500LS -55 ~ +125, 10 ~ 95% RH 0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes VIBRATION OPERATING CASE TEMP. (max.) 100 EMC OTHERS NOTE EMC EMISSION EMC IMMUNITY Compliance to EN55015, FCC part 15 class B MTBF DIMENSION 2000Khrs min. MIL-HDBK-217F (25) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) for LDD-1000~1500L/LW ; 31.8*20.3*10.9mm or 1.25"*0.8"*0.43" inch (L*W*H) for LDD-1000~1500LS WEIGHT LDD-1000~1500L:15.6g ; LDD-1000~1500LW:18g ; LDD-1000~1500LS:12.8g POTTING MATERIAL Expoxy(UL94-V0) for LDD-1000~1500L/LW ; without potted for LDD-1000~1500LS Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A 1.All parameters are specified at normal input(24VDC), rated load, 25 70% RH ambient. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor. 3.Test condition: 36VDC input. 4.Output voltage will always step down by 3 volts from input DC voltage. 5.The output of LDD-L should not be connected to the input of the same unit or output from other sources. File Name:LDD-L-SPEC 2015-06-03 LDD-L DC-DC Constant Current Step-Down LED driver Pin Configuration Mechanical Specification Blank type(LDD- 300~700L): 1 Unit: mm (inch) 3.81 [ 0.15 ] 9.9 [0.39] Pin No. Output Comment 1 +Vin DC Supply 3 PWM DIM ON/OFF and PWM Dimming (Leave open if not used) 4 -Vin Don't connect to -Vout 5 -Vout LED - Connection 6 +Vout LED + Connection Pin No. Output Comment 3 4 6 22.6 [0.89] 17.78 [0.7] 2.54 [0.10] BOTTOM VIEW series SIDE VIEW 5 8.9 [0.35] 0.60 7.62 [0.30] NOTE: Pin tolerance 0.05mm W type(LDD - 300~700LW): 8.9 [0.35] 9.9 [0.39] 1 3 1 4 4 BOTTOM VIEW SIDE VIEW 4 5 52mm 10010mm 5 6 22.6 [ 0.89] 3 5 6 +Vin DC Supply (Red) PWM DIM ON/OFF and PWM Dimming (Leave open if not used) (White) -Vin Don't connect to -Vout (Black) -Vout LED - Connection (Blue) +Vout LED + Connection (Yellow) NOTE: All wires UL3385 22AWG S type(LDD - 300~700LS): 17.78 [0.70] 0.6 [0.023] 2.54 [0.10] 1 7 8 0.65 [0.02] BOTTOM VIEW 16 14 Pin No. Output Comment 1 +Vin DC Supply 7,8 +Vout LED + Connection 9,10 -Vout LED - Connection A 10 9 14 0.25 [0.01] SIDE VIEW A 9.3 [0.36] ON/OFF and PWM Dimming PWM DIM (Leave open if not used) 16 -Vin Don't connect to -Vout others N.C LED - Connection 10.50 [0.41] 25.4 [1.00] 12.8 [0.50] 2.54mm Recommended PCB layout (for LDD-300~700LS) 2.54mm 13.1[0.52] 14.63[0.58] 16 14 10 9 7 8 TOP VIEW 1 1.54[0.06] 2.54[0.1] 1.54[0.06] File Name:LDD-L-SPEC 2015-06-03 LDD-L DC-DC Constant Current Step-Down LED driver series Pin Configuration Mechanical Specification Blank type(LDD- 1000~1500L): Unit: mm (inch) 1 2 21 BOTTOM SIDE VI EW VI EW Pin No. Output Comment 1,2 -Vin Don't connect to -Vout 11,12 -Vout LED - Connection 13,14 +Vout LED + Connection 21 PWM +analog ON/OFF and PWM / analog Dimming (Leave open if not used) DIM 23,24 +Vin DC Supply Pin No. Output Comment 2 -Vin (Black) Don't connect to -Vout 11 -Vout (Blue) LED - Connection 14 +Vout (Yellow) LED + Connection 2.54 [0.1] 14 13 3.81 [0.15] 31.8 [1.25] 24 23 2.06 [0.08] 20.3 [0.80] 11 12 15.24 [0.60] 12.2 [0.48] 0.60 NOTE: Pin tolerance 0.05mm W type(LDD - 1000~1500LW): 2 2 23 21 12.2 [0.48] 52mm 10010mm 20.3 [0.80] SIDE BOTTOM VIEW 14 VI EW 11 31.8 [1.25] 21 21 11 NOTE: All wires UL3385 22AWG PWM +analog ON/OFF and PWM / analog Dimming (Leave open if not used) DIM (White) 23 +Vin (Red) Pin No. Output Comment 1,2 -Vin Don't connect to -Vout 11,12 -Vout LED - Connection +Vout LED + Connection DC Supply S type(LDD - 1000~1500LS): 0.25[0.010] 1.5[0.059] 2.0 [0.08] 25.4 [1.00] 20.3 [0.80] 24 23 1 2 21 31.8 [1.25] 13,14 BOTTOM VIEW 1.0 [0.04] 14 13 2.54 [0.10] 0.5 [0.02] 21 PWM +analog ON/OFF and PWM / analog Dimming (Leave open if not used) DIM 23,24 +Vin DC Supply others N.C No connection 11 12 10.9 [0.43] 11.4 [0.45] 2.54mm Recommended PCB layout (for LDD-1000~1500LS) 2.54mm 24.37[0.96] 26.40[1.04] 24 23 21 14 13 TOP VIEW 1 2 11 12 2.03[0.08] 2.54[0.1] 1.5[0.06] File Name:LDD-L-SPEC 2015-06-03 LDD-L DC-DC Constant Current Step-Down LED driver Reflow Soldering Curve (for LDD-300~1500LS) Derating Curve Peak. Temp 240 10 sec. Max. 240 220 220 60 sec. Max. (>220) LOAD (%) Temperature () series 150 100 100 85 for 300~500mA 75 71 for 600~1500mA 50 50 25 0 Time(sec.) Remark : The curve applies only to the " Hot Air Reflow Soldering" -40 0 25 71 50 85 100 Ta () PWM Dimming Control (for 300~1500mA) Io Adjustment by PWM signal : +Vin +Vout H: > 3.5~8VDC or open circuit 1st LED Dimming PWM 300 ~ 700mA : L: < 0.5VDC or short LDD-300~1500L H L Last LED 1000 ~ 1500mA : H: > 2.6~5.5VDC or open circuit -Vin -Vout { Output Current { ON During PWM dimming operation, the output current will change to PWM style. ON 100 L(0V) OFF OFF Tol : 3%(Typ.) OFF 100~1KHz 75 PWM Frequency : 300~700mA : 100~ 1KHz 1000~ 1500mA : 100~500Hz Max I out(% ) PWM Signal ON H(5V) L: < 0.4VDC or short 50 25 0 0 25 50 75 100 Duty Cycle (%) Analog Dimming Control for 1000~ 1500mA only Io Adjustment by DC voltage : +Vin +Vout 1st LED Dimming 0.5~2.5VDC LDD-1000~1500L Last LED -Vin -Vout 24Vdc input 120% 100% 80% Iout 1500 mA 60% 1200 mA 1000 mA 40% 20% 0% 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Voltage control(0.5~2.5VDC) File Name:LDD-L-SPEC 2015-06-03 LDD-L DC-DC Constant Current Step-Down LED driver series Efficiency VS Output Voltage(Number of LEDs) Fig-1 12VDC input, 1~3 LEDs(Vf=3V) Fig-2 90% 85% 80% 95% EFFICIENCY (%) 300mA 350mA 500mA 600mA 700mA 1000mA 1200mA 1500mA 95% EFFICIENCY (%) 300mA 350mA 500mA 600mA 700mA 1000mA 1200mA 1500mA 100% 100% 90% 85% 80% 75% 75% 70% 70% 1 2 1 3 Output Voltage(LEDs) Fig-3 2 3 4 5 6 7 Output Voltage(LEDs) 36VDC input, 1~10 LEDs(Vf=3V) 300 mA 350 mA 500 mA 600 mA 700 mA 1000 mA 1200 mA 1500 mA 100% 95% 90% EFFICIENCY (%) 24VDC input, 1~7 LEDs(Vf=3V) 85% 80% 75% 70% 65% 1 2 3 4 5 6 7 8 9 10 Output Voltage(LEDs) File Name:LDD-L-SPEC 2015-06-03 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Mean Well: LDD-1000LW LDD-1500LW LDD-1200LW