Specifications
3 Year Warranty |
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Approvals: |
Specifiction |
PRODUCT NUMBER |
LTEF320G-S050550 |
LTEF320G-S120250 |
LTEF320G-S240130 |
LTEF320G-S360088 |
LTEF320G-S480067 |
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OUTPUT |
DC Output |
5.0V |
12V |
24V |
36V |
48V |
Rated Current |
55A |
25A |
13A |
8.8A |
6.7A |
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Current Range Note 1 |
0~55A |
0~25A |
0~13A |
0~8.8A |
0~6.7A |
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Ripple and Noise Note 2 |
<150mV |
<150mV |
<200mV |
<200mV |
<200mV |
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Voltage ADJ. Range |
+10% of rated output voltage |
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Voltage Accuracy |
±1.0% |
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Line Regulation |
±0.5% |
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Load Regulation |
±1.0% |
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Set-up Time |
≤2S (230VAC input, Full load); ≤4S (120VAC input, Full load) |
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Hold up Time |
≥10mS (120/230Vac input, Full load) |
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Temperature Coefficient |
±0.03%/°C |
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Overshoot and Undershoot |
<5.0% |
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INPUT |
Voltage Range |
90Vac~264Vac,120Vdc~370Vdc |
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Frequency Range |
47Hz--63Hz |
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Power Factor(Typical) |
PF>0.98/120VAC PF>0.95/230VAC |
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Efficiency ( Typical) |
79% |
84.5% |
87% |
87% |
87.5% |
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AC Current (max.) |
< 4.5A |
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Inrush Current (Typical) |
<50A@220Vac <30A@110Vac Cold start |
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Leakage Current |
Input—output:<0.25mA Input—PG:<3.5mA |
PROTECTION |
Over Load |
105%~150% of rated output current, Hiccup mode, auto recovery |
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Over power |
105%~150% of rated output power, hiccup mode, auto recovery |
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Short Circuit |
Long-term mode, auto recovery |
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ENVIRONMENT |
Operating amb. Temp. & Hum. |
-20°C~65°C; 20%~90%RH No condensing(refer to the derating curve) |
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Vibration |
10 ~ 500Hz, 2G 10min./1cycle, period for60min. each along X,Y, Z axes |
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Storage Temp. & Hum. |
-40°C~85°C ; 10%~95%RH No condensing |
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SAFETY &EMC (Note 3) |
Safety Standards |
UL60950-1 2nd Ed; IEC 60950-1:2005(2nd Ed) ;EN60950-1:2006 |
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Withstand Voltage |
Primary-Secondary: 3.0KVac; ≤10mA .Primary-PG:1.5KVac; ≤10mA. Secondary-PG: 0.5KVDC;≤10mA. |
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Isolation Resistance |
10M ohms |
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EMI Conduction&Radiation |
Compliance to EN55022,EN55024 Class B |
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Harmonic Current |
Compliance to EN61000-3-2,-3 |
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EMS Immunity |
Compliance to EN61000-4-2,3,4,5,6,8,11; heavy industry level |
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OTHERS |
MTBF (MIL-HDBK-217F) |
More than 200,000Hrs (25°ãC, Full load) |
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Dimension (L*W*H) |
199×99×50mm |
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Packing |
12PCS/CTN, 9.8KGS, 0.04CBM |
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Cooling method |
Cooling by forced air (built-in DC fan) |
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NOTE |
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Block Diagram |
Derating Curve |
Mechanical Specification |