LDC-55_ DH Preliminary. LDC-55 series. 55W Constant Power output Linear LED Driver. File Name:LDC-55-SPEC

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2 SPECIFICATION MODEL OUTPUT INPUT OTHERS NOTE OUTPUT CURRENT REGION CONSTANT POWER OUTPUT VOLTAGE REGION Note.2 OPEN CIRCUIT VOLTAGE(max.) CURRENT TOLERANCE ±5.0% SET UP TIME Note.4 500ms/230VAC VOLTAGE RANGE FREQUENCY RANGE POWER FACTOR (Typ.) EFFICIENCY (Typ.) AC CURRENT (Typ.) Note.3 INRUSH CURRENT(Typ.) LEAKAGE CURRENT SHORT CIRCUIT PROTECTION OVER TEMPERATURE FUNCTION LOW FREQUENCG CURRENT RIPPLE TEMP.COMENSATION WORKING TEMP. TEMP. COEFFICIENT VIBRATION SAFETY STANDARDS Note.5 Ul8750, CSA C22.2 No ; ENEC EN613471, EN independent, EN62384; GB ,GB approved EMC IMMUNITY MTBF DIMENSION PACKING 180 ~ 264VAC 254 ~ 373VDC (Please refer to "STATIC CHARACTERISTIC" section) 47 ~ 63Hz PF 50% (Please refer to "POWER FACTOR (PF) CHARACTERISTIC" section) THD< 10%(@load 50%/230VAC;) TOTAL HARMONIC DISTORTION (Please refer to TOTAL HARMONIC DISTORTION(THD) section) MAX. No. of PSUs on 16A CIRCUIT BREAKER DIMMINK 0.32A / 230VAC <0.75mA / 240VAC MAX. CASE TEMP. Tcase=90 WORKING HUMIDITY 20 ~ 95% RH noncondensing ENVIRONMENT STORAGE TEMP., HUMIDITY 40 ~ 80, 10 ~ 95% RH DALI STANDARDS WITHSTAND VOLTAGE SAFETY & EMC ISOLATION RESISTANCE EMC EMISSION Note.5 LDC ~ 1600mA 55W 27 ~ 57V 60V 3.0% current 90%(230VAC@Full load) COLD START 65A(twidth= 650μ s measured at 50% Ipeak)/230VAC; Per NEMA units (circuit breaker of type B) / 8 units (circuit breaker of type C) at 230VAC Hiccup mode or constant carrent limiting,recovers automatically after fault condition is removed Shut down o/p voltage, repower on to recover Tcase=25 ~ 90 (Please refer to OUTPUT LOAD vs TEMPERATURE section) ± 0.03%/ (0 ~ 60 ) 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes Please refer to DIMMINK OPERATION section By external NTC,please reter to TEMPERATURE COMPENSATION OPERATION section Compliance to IEC for DAType only I/PO/P:3.75KVAC I/PFG:2.0KVAC O/PFG:1.5KVAC I/PO/P, I/PFG, O/PFG:100M Ohms / 500VDC / 25 / 70% RH Compliance to EN55015,EN Class C (@load 50%) ; EN ;GB17743,GB Compliance to EN ,3,4,5,6,8,11; EN61547, light industry level(surge immunity:lineearth:2kv,lineline:1kv) Khrs min. MILHDBK217F (25 ) 320* 30*21mm (L*W*H) Kg;pcs/Kg/CUFT

3 BLOCK DIAGRAM I/P EMI FILTER & RECTIFIERS DEFAULT OUTPUT CURRENT O.T.P. CASE GROUND O.L.P. POWER SWITCHING PWM & PFC CONTROL RECTIFIERS & FILTER DETECTION CIRCUIT LDC55 is a multiplestage default output current supply, selection of default output current through a resistance. VOLTAGE 60V 50V 40V 30V 20V 10V PFC fosc : 50~400KHz PWM fosc : 30~200KHz V V RSET SGND (B Type) O.V.P. 0V 300mA 500mA 700mA 900mA 1100mA 1300mA 1500mA 1700mA LDC55 LDC55 CP. CURRENT

4 DIMMING OPERATION 3 in 1 dimming function Output constant current level can be adjusted by applying one of the three methodologies between DIM and DIM: 0 ~ 10VDC, or 10V PWM signal or resistance. Direct connecting to LEDs is suggested. It is not suitable to be used with additional drivers. Dimming source current from power supply: 100μA (typ.) Applying additive 0 ~ 10VDC DIM DO NOT connect "DIM to " Additive Voltage Applying additive 10V PWM signal (frequency range 100Hz ~ 3KHz): DIM DO NOT connect "DIM to " AC/L AC/N FG Applying additive resistance: DIM NTC NTC IADJ IADJ DMIN DMIN DIM DO NOT connect "DIM to " DA;AC/L DA;AC/N Additive PWM signal Additive Resistance Note : 1. Min. dimming level is about 8% and the output current is not defined when 0%< Iout<8%. 2. The output current could drop down to 0% when dimming input is about 0Vdc or 10V PWM signal with 0% duty cycle. Output current (%) Output current (%) Output current (%) 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 0V 1V 2V 3V 4V 5V 6V 7V 8V 9V 10V 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% DIM DIM Dimming input: Additive voltage 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Duty cycle of additive 10V PWM signal dimming input 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Short 10K/N 20K/N 30K/N 40K/N 50K/N 60K/N 70K/N 80K/N 90K/N 100K/N (N=driver quantity for synchronized dimming operation) Dimming input: Additive resistance

5 DIMMING OPERATION Push Button AC/L AC/N PUSH dimming(primary side) Action Action duration The factory default dimming level is at 100%. If the push action lasts less than 0.05 sec., it will not lead to a change for the status of the driver. Up to 10 drivers can perform the PUSH dimming at the same time when utilizing one common push button. The maximum length of the cable from the push button to the last driver is 20 meters. The additive push button can be connected only between the PUSH terminal, as displayed in the diagram, and AC/L (in brown or black); it will lead to short circuit if it is connected to AC/N. DALI interface(primary side) AC/L AC/N FG DA;AC/L DA;AC/N Function Short push 0.1~1 sec. Turn ONOFF the driver Long push 1.5~10 sec. Every Long Push changes the dimming direction, dimming up or down Reset >11 sec. Set up the dimming level to 100% Apply DALI signal between DA and DA DALI protocol comprises 16 groups and 64 addresses. First step is fixed at 8% of rated output power. NTC NTC IADJ IADJ DMIN DMIN

6 TEMPERATURE COMPENSATION OPERATION LDC55 have the builtin temperature compensation function ; by connecting a temperature sensor (NTC resistor) between the NTC / NTC terminal of LDC55 and the detecting point on the lighting system or the surrounding environment, output current of LDC55 could be correspondingly changed, based on the sensed temperature, to ensure the long life of LED.

7 LOAD (%) LOAD (%) OUTPUT LOAD vs TEMPERATURE AMBIENT TEMPERATURE,Ta ( ) STATIC CHARACTERISTIC INPUT VOLTAGE (V) 60Hz Derating is needed under low input voltage. TOTAL HARMONIC DISTORTION (THD) Tcase at 75 (HORIZONTAL) LOAD (%) PF (HORIZONTAL) Tcase ( ) POWER FACTOR (PF) CHARACTERISTIC Tcase at % 20% 30% 40% 50% 60% 70% 80% 90% 100% (55W) LOAD (230Vac Input) EFFICIENCY vs LOAD possess superior working efficiency that up to 90% can be reached in field applications. Tcase at 75

8 MECHANICAL SPECIFICATION BlankType 15 ψ4.5 Installation Manual Please refer to : CASE NO.: 243A Unit:mm ψ

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