Серия DC-DC модульных преобразователей LDD-HW

Общие характеристики

Раздел DC-DC модульные преобразователи
Количество каналов
Входное напряжение
Параметры выходов
Возможности драйвер светодиодов, неизолированный
Комплекс защит короткого замыкания, перегрузки
Напряжение 1 выхода
Напряжение изоляции вход-выход
Размер 31.8×20.3×12.2 мм
Рабочая температура

Документация на серию LDD-HW

LDD-H DC-DC Constant Current LED driver series Features : Constant current output: 300mA to 1000mA Wide input voltage: 9 ~ 56VDC Wide output LED string voltage: 2 ~ 52VDC High efficiency up to 97% DC/DC step-down converter Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors Built-in PWM and remote ON/OFF control Protections: Short circuit / Over temperature Cooling by free air convection Fully encapsulated with IP67 level Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty LDD-350H W Blank : pin style W : wire style SPECIFICATION ORDER NO. OUTPUT INPUT LDD-300H LDD-350H LDD-500H LDD-600H LDD-700H LDD-1000H CURRENT RANGE 300mA 350mA 500mA 600mA 700mA 1000mA VOLTAGE RANGE 2 ~ 52VDC 200mVp-p 200mVp-p 350mVp-p 550mA 650mA 900mA CURRENT ACCURACY (Typ.) 3% at 24VDC input ; 4% at 48VDC input 150mVp-p 150mVp-p RIPPLE & NOISE(max.) Note.2 150mVp-p 40KHz ~ 1000KHz SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 2.2uF 9 ~ 56VDC VOLTAGE RANGE 97% at full load and 36VDC/48VDC input EFFICIENCY (max.) 320mA Full load Note.3 270mA DC CURRENT 10mA No load FILTER 450mA 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 VIBRATION Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit Power OFF : DIM ~ -Vin < 0.8VDC 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 -55 ~ +125 , 10 ~ 95% RH 0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes OPERATING CASE TEMP. (max.) 100 EMC OTHERS NOTE EMI CONDUCTION & RADIATION Compliance to EN55015, FCC part 15 class B Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A EMS IMMUNITY 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) WEIGHT LDD-H:16g ; LDD-HW:18.6g POTTING MATERIAL Expoxy(UL94-V0) 1.All parameters are specified at normal input(48VDC), 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: 48VDC input. File Name:LDD-H-SPEC 2011-10-07 PDF
Документация на LDD-1000HW 


Дата модификации: 18.04.2014

Размер: 234.9 Кб

3 стр.

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