LLC Resonant 3.5kW Full-Bridge Transformer.
Features
•LLC resonant 3.5 kW full-bridge transformer
•Works with Lr = 22µH and Cr = 33nF
•Frequency range 70-200kHz
•Reinforced insulation between prim/sec and with core
•UL94 and RoHS materials (F/155°C)
•Design based on AEC-Q200
•Weight : approx 350grams
Application
•Automotive EV/PHV AC/DC onboard battery chargers
Operation
•Vin = 220-420Vdc / Vout = 200-430Vdc
•Ip = 19Arms MAX / Is = 18.5Arms MAX
•Operating temperature -40/+140°C with cooling (potting)
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L1 = LP (100kHz/1Vac)
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R1
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R2
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N1:N2
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L1lk (100kHz/1Vac, N2 shorted)
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{N1}/{N2}/{CORE}
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BC3.5LFB1.4
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130µH ±7.5%
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17mΩ TYP (19mΩ MAX)
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13mΩ TYP (15mΩ MAX)
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1.4:1 |
2µH MAX
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4kVAc/50Hz/5mA/1min*
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(*) 1min in qualification / 2sec in mass production