LDH-25-500

LDH-25 DC-DC Step-Up Constant Current LED driver series User’s Manual (Pin mounted style) (Lead wire style) ■  ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧ ■  ‧ ‧ ‧ ‧ ‧ ■    ■  current output. LDH-25 operates from 9.5～32VDC and offers models with different rated current ranging between 250mA and 700mA. With the high efficiency up to 95.5%,   allows this series to fit solar LED street light. LDH-25is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for DC source LED lighting system. ■        {      File Name:LDH-25-SPEC 2022-05-30 LDH-25 DC-DC Step-Up Constant Current LED driver series SPECIFICATION MODEL RATED CURRENT CURRENT ACCURACY(Typ.) OUTPUT INPUT VOLTAGE RANGE Note.2 700mA ±5% at 12VDC input and 24 VDC Input 12.5~72VDC 12.5~50VDC 12.5~36VDC 25.2W 25W 25.2W VOLTAGE RANGE Note.2 EFFICIENCY (Typ.) 9.5~32VDC Note.2 91.5%/12V 94%/24V 2.5A/12VDC, 1.2A/24VDC 92%/12V 95%/24V 91.5%/12V 94%/24V 92.5%/12V 95.5%/24V Leave open if not used 1KHz-3KHz 10V PWM signal or 0-10V DC input QUIESCENT INPUT CURRENT 7mA when PWM dimming OFF @12VDC IN SHUTDOWN MODE(Typ.) SHORT CIRCUIT NO LOAD WORKING TEMP. WORKING HUMIDITY ENVIRONMENT STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION Output short circuit, the power supply will be damaged 85~120V 73~100V 51~80V 37~60V Output voltage rise to OVP, and drop equal to input voltage, re-power to recovery -40 ~ +70℃ (Refer to "Derating Curve") 20 ~ 90% RH non-condensing -40 ~ +85℃, 10 ~ 95% RH ±0.03%/℃ (0 ~ 50℃) 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes SOLDERING TEMPERATURE Wave soldering: 265℃,5s (max.); Manual soldering: 390℃,3s (max.) LVD BS EN/EN61347-1, BS EN/EN61347-2-13, EAC TP TC 004 approved SAFETY STANDARDS EMC EMISSION Note.5 EMC IMMUNITY MTBF DIMENSION PACKING NOTE LDH-25-700 500mA 12.5~84VDC PROTECTION OVER VOLTAGE OTHERS LDH-25-500 350mA 21W 5%(@rated current) DIMMING FUNCTION SAFETY & EMC LDH-25-350 250mA RATED POWER CURRENT RIPPLE DC CURRENT (Typ.) DIMMING LDH-25-250 Compliance to BS EN/EN55015;EAC TP TC 020 Compliance to BS EN/EN61547,BS EN/EN61000-4-2,3,4,6,8; light industry level,EAC TP TC 020 12369.5K hrs min. Telcordia TR/SR-332(Bellcore); 52.4*27.2*24mm (L*W*H) Pin mounted style: 50g, 200pcs/11Kg/0.89CUFT; 896.4Khrs min. MIL-HDBK-217F (25℃) Lead wire style: 57g, 200pcs/12.4kg/0.98CUFT ℃
    ℃ ℃℃  ※   ：  ,    https://www.meanwell.com/serviceDisclaimer.aspx File Name:LDH-25-SPEC 2022-05-30 LDH-25 DC-DC Step-Up Constant Current LED driver Mechanical Specification Pin Configuration Unit: mm LDH (PIN Style): 52.4 24 3.5±1mm 4.0 3.5 4 5 3 6 2 Pin No. 3.5 3.7 44 3.7 1.04 BOTTOM VIEW 12.3 27.2 1 3.7 series Comment 1 Vin+ DC Supply 2 Vin- DC Supply, Don’t connect to Vout- 3 Dim+ 2 in 1 dimming 4 Dim- 2 in 1 dimming 5 Vout- LED- connection 6 Vout+ LED+ connection P/N diameter:1.04 LDH (Lead Wire Style): 52.4 24 Pin No. 44 3.7 8mm 4 5 3 6 2 27.2 100±10mm BOTTOM VIEW Vin+(Red) DC Supply 2 Vin-(Black) 3 Dim+ (Blue) 5 Dim(White) Vout(Black) 6 Vout+ (Red) 24 32 4 1 Derating Curve Comment 1 DC Supply Don’t connect to Vout2 in 1 dimming 2 in 1 dimming LED- connection LED+ connection Static Characteristics 100 100 LOAD (%) LOAD (%) 18-32V 75 12-18V 50 25 -40 75 50 25 0 25 50 60 Ta (℃) 70 100 9.5 12 18 INPUT VOLTAGE (V) File Name:LDH-25-SPEC 2022-05-30 LDH-25 DC-DC Step-Up Constant Current LED driver series Standard Application ※ 2 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 ‧Direct connecting to LEDs is suggested. It is not suitable to be used with additional drivers. ◎ Applying additive 0 ~ 10VDC 100% 90% Vo- + + - - DIM+ + Output current (%) 80% Vo+ 70% 60% 50% 40% 30% Additive Voltage - 20% DIM- 10% 0% “DO NOT connect "DIM- to Vo-" 0V 1V 2V 3V 4V 5V 6V 7V 8V 9V 10V Dimming input: Additive voltage ◎ Applying additive 10V PWM signal (frequency range 1KHz ~ 3KHz): 100% 90% Vo- + + - - DIM+ Additive PWM signal DIM“DO NOT connect "DIM- to Vo-" Output current (%) 80% Vo+ 70% 60% 50% 40% 30% 20% 10% 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Duty cycle of additive 10V PWM signal dimming input Note: 1.Min.dimming level is about 8% and the output current is not defined when 0%＜lout＜8%. 2.The output voltage is about equal to input voltage when dimming input is about 0Vdc,or 10V PWM signal with 0% duty cycle. File Name:LDH-25-SPEC 2022-05-30 LDH-25 DC-DC Step-Up Constant Current LED driver series Efficiency VS Load LDH-25-250 24VDC input Vf = 3 . 05V 95% EFFICIENCY (%) EFFICIENCY (%) LDH-25-250 12VDC input Vf = 3 . 05V 94% 93% 92% 91% 90% 97% 96% 95% 94% 93% 92% 7 11 15 19 23 27 9 Number of LEDs 95% EFFICIENCY (%) EFFICIENCY (%) 27 LDH-25-350 24VDC input Vf = 3 . 14V 94% 93% 92% 91% 90% 97% 96% 95% 94% 93% 92% 8 11 14 17 20 23 9 Number of LEDs 14 19 24 Number of LEDs LDH-25-500 12VDC input Vf = 3 . 18V LDH-25-500 24VDC input Vf = 3 . 18V 95% EFFICIENCY (%) EFFICIENCY (%) 21 Number of LEDs LDH-25-350 12VDC input Vf = 3 . 14V 94% 93% 92% 91% 90% 97% 96% 95% 94% 93% 92% 6 8 10 12 14 16 9 Number of LEDs 11 14 16 Number of LEDs LDH-25-700 12VDC input Vf = 3 . 29V LDH-25-700 24VDC input Vf = 3 . 29V 95% EFFICIENCY (%) EFFICIENCY (%) 15 94% 93% 92% 91% 90% 97% 96% 95% 94% 93% 92% 6 7 8 9 Number of LEDs 10 11 9 10 11 12 Number of LEDs Application Notes: 1.The positive and negative input terminals must be connected correctly and negative voltage can not be input to avoid damage to the power supply. 2.Due to the large input current, please pay attention to the voltage drop of the wiring, to ensure the power supply to work properly. 3.At dim off,LDH output voltage will drop to the same level as input voltage.To get luminaires complete dark, please make luminaires are light off when they are driving by the input voltage. File Name:LDH-25-SPEC 2022-05-30 DC-DC Step-Up Constant Current LED driver LDH-25 series Application Notes of EMC 1. IfLDH-25 is powered by a battery, comply with BS EN/EN55015 without additional Input filter and capacitors. . LDH-25ispowered by DC Bus, additional EMC filter parts shall be added to meet BS EN/EN55015. The recommended circuit is shown in Figure1 Figure 1 Figure 1: Parameter description C1 LF1 Electrolytic capacitor 100uF/35V Common Mode Choke 11.5mH/Ring code(T16×12×8)/wire(0.6mm×1)/50 Turns (Mn-Zn Ferrite/μi=10000±30%/AL=4600nH/N²) File Name:LDH-25-SPEC 2022-05-30