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Document 575 CCFL Transformer For Texas Instruments TPS68000 CCFL Controller The FA2786-BL was developed specifically for the Texas Instruments TPS68000 Phase Shift Full Bridge CCFL Controller. It is designed for use in cold cathode fluorescent lamp power supplies operating at frequencies up to 100 kHz. This transformer is specified in the Texas Instruments TPS68000EVM-202 dual-transformer reference design. This reference design shows a single TPS68000 driving two FA2786-BL transformers and CCFL lamps. Isolation is 500 Vrms between windings and 2000 Vrms from each winding to the core. Free evaluation samples are available by contacting Coilcraft or ordering them on-line at www.coilcraft.com. Part number1 FA2786-BL_ Turns ratio pri : sec 1 : 100 Output (Watts) 6.0 Inductance2 min (H) 160 Vin (Volts) 8 - 20 Imax sec (mA) 7.0 1 Vrms3 sec (Volts) 1600 Vinst max4 sec (Volts) 2000 6 Sec 8 DCR max (Ohms) pri sec 0.621 937.3 1. When ordering, please specify a packaging code: FA2786-BLD Packaging: D = 13 machine ready reel. EIA-481 embossed plastic tape (400 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. Inductance measured at 1 Vrms, 60 kHz, 0 Adc. Vrms = continuous voltage. Vinst = instantaneous voltage at startup. Ambient operating temperature range -40C to +85C. Electrical specifications at 25C. 0.975 min 24,77 0.825 max 20,96 7 6 Pri 4 2. 3. 4. 5. 6. 0.310 max 7,87 10 1 0.004/0,10 0.044 1,13 0.965 max 24,51 0.050 1,27 10 1 0.028 typ 0,70 Recommended Land Pattern 10 1 0.610 max 15,49 7 0.075 min 1,91 0.098 cen 2,50 6 0.098 cen 2,50 Weight: 6.0 g Terminations: Tin-silver over tin over nickel over phos-bronze Tape and reel: 400/13 reel 44 mm tape width For packaging data see Tape and Reel Specifications section. Specifications subject to change without notice. Please check our website for latest information. Document 575 Revised 01/18/07 (c) Coilcraft, Inc. 2006 |
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