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MC34262 Arkusz danych(PDF) 2 Page - International Rectifier |
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MC34262 Arkusz danych(HTML) 2 Page - International Rectifier |
2 / 16 page 2 www.irf.com Parameter Units Value (IRPLLNR2) Value (IRPLLNR2U) Lamp Type 36W T8 32W T8 Input Power [W] 36 32 Input Current [Arms] 0.300 0.300 Preheat Mode Frequency [kHz] 44 44 Preheat Mode Lamp Voltage [Vrms] 220 220 Preheat Time [s] 0.9 0.6 Ignition Ramp Mode Frequency [kHz] 38 38 Run Mode Frequency [kHz] 42 42 Lamp Run Current [Arms] 0.34 0.34 Input AC Voltage Range [VACrms] 185..255/50..60Hz 90..140/50..60Hz Input DC Voltage Range [VDC] 250..350 100..180 Power Factor 0.98 0.99 Total Harmonic Distortion [%] <15 <10 Maximum Output Voltage [Vpk] 600 600 Electrical Characteristics Note: Measurements performed with input AC line voltage = 120Vrms (IRPLDIM1U) 230Vrms (IRPLDIM1) Fault Ballast Restart Operation Line voltage low Deactivates Increase line voltage Upper filament broken Deactivates Lamp exchange Lower filament broken Deactivates Lamp exchange Failure to ignite Deactivates Lamp exchange Open circuit (no lamp) Deactivates Lamp exchange Fault Protection Characteristics Functional Description Overview he IRPLDIM1 Demo Board consists of an EMI filter, an active power factor correction front end, a ballast control section and a resonant lamp output stage. The active power factor correction section is a boost converter operating in critical mode conduction, free-running frequency mode. The ballast control section provides frequency modulation control of a traditional RCL lamp resonant output circuit and is easily adaptable to a wide variety of lamp types. The ballast control section also pro- vides the necessary circuitry to perform closed-loop dimming, lamp fault detection, shutdown and auto-restart. All functional descriptions refer to the IRPLDIM1 schematic diagram. |
Podobny numer części - MC34262 |
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Podobny opis - MC34262 |
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