Place of Origin: | Zhejiang |
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Location: | Hangzhou, Zhejiang, China (Mainland) |
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Business Type: | Trading Company, Agent, Distributor/Wholesaler, Service |
Main Products: | Mean Well Power Supply, LED Driver |
Brand Name: | Mean Well |
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MODEL | LDD-350H | ||
OUTPUT | DC VOLTAGE | 2 ~ 52VDC | |
RATED CURRENT | 350mA | ||
RIPPLE & NOISE(max.) Note.2 | 150mVp-p | ||
SWITCHING FREQENCY | 40KHz ~ 1000KHz | ||
CURRENT ACCURACY | 3% at 24VDC input ; 4% at 48VDC input | ||
EXTERNAL CAPACITANCE LOAD | 2.2uF | ||
INPUT | VOLTAGE RANGE | 9~ 56VAC | |
EFFICIENCY (Typ.) | 97% at full load and 36VDC/48VDC input | ||
DC CURRENT (Typ.) | Full load Note.3 | 320mA | |
No load | 10mA | ||
FILTER | Capacitor | ||
PWM DIMMING & ON/OFF CONTROL | REMOTE ON/OFF | Leave open if not use | |
Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit | |||
Power OFF : DIM ~ -Vin < 0.8VDC or short | |||
QUIESCENT INPUT IN SHUTDOWN MODE(max.) CURRENT | 1mA at PWM dimming OFF and 24VDC input | ||
PWM FREQUENCY | 100 ~ 1KHz | ||
SHORT CIRCUIT | Regulated at rated output current | ||
Protection type: Can be continued, recovers automatically after fault condition is removed | |||
OVER TEMPERATURE | Tj 150 typically(IC1) detect on main control IC | ||
Protection type : Shut down, recovers automatically after temperature goes down | |||
ENVIRO NMENT | WORKING TEMP. | -40 ~ +85 (Refer to output load derating curve) | |
WORKING HUMIDITY | 20 ~ 95% RH non-condensing | ||
STORAGE TEMP., HUMIDITY | -55 ~ +125 , 10 ~ 95% RH | ||
TEMP. COEFFICIENT | 0.03%/ | ||
VIBRATION | 10 ~ 500Hz, 5G 12min./1cycle, period for 72min. each along X, Y, Z axes | ||
OPERATING CASE TEMP. (max.) | 100 | ||
EMC | EMI CONDUCTION & RADIATION? | Compliance to EN55015, FCC part 15 class B | |
EMS IMMUNITY | Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A | ||
OTHERS | MTBF | 2000Khrs min.? MIL-HDBK-217F (25 ) | |
DIMENSION | 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) | ||
PACKING | 18g | ||
POTTING MATERIAL | Expoxy(UL94-V0) | ||
NOTE | 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. |