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SMP1.25 데이터시트(PDF) 3 Page - Texas Instruments |
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SMP1.25 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 17 page 3 Electrical Performance Specifications www.ti.com Electrical Performance Specifications Table 1. UCC28810EVM-002 Electrical Performance Specifications SYMBOL PARAMETER CONDITIONS MIN NOM MAX UNITS INPUT CHARACTERSTICS VIN Input voltage 90 264 VRMS IIN Input current 0.175 1.1 ARMS PF Power factor POUT = 80 W to 100 W 0.95 0.97 OUTPUT CHARACTERSTICS PFC Stage VOUT PFC output voltage 235 415 VDC LED Driver Stage POUT Output power 45 80 100 W IOUT Output current 0.84 0.9 0.96 A Line regulation 0.03 Frequency 60 128 kHz SYSTEMS CHARACTERSTICS η Full load efficiency 90% 93% PWM Dimming(1) Threshold 0.72 1.3 V Frequency range 200 1000 Hz Duty cycle 0% 90% (1) The PWM dimming signal is inverted, 0% duty cycle is 100% LED current. SLUU355A – March 2009 – Revised June 2009 A 0.9-A Constant Current Supply with PFC for 100-W LED Lighting Applications 3 Submit Documentation Feedback |
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