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UCC3977PW Datasheet(PDF) 3 Page - Texas Instruments |
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UCC3977PW Datasheet(HTML) 3 Page - Texas Instruments |
3 / 28 page UCC2975, UCC2976, UCC2977 UCC3975, UCC3976, UCC3977 SLUS499A – NOVEMBER 2001 – REVISED JANUARY 2002 3 www.ti.com description (continued) UDG–01098 RANGE 1 3 2 4 8 6 7 5 OPEN/SD OSC COMP FB VDD OUTP OUTN GND CFB RFB DFB CCFL RCS COSC ROSC RHV RCNT VDD COPEN ROPEN SHUTDOWN UCC3975 N VCNT PIEZO XFMR Figure 3. UCC3975-Based CCFL Power Supply Using a Resonant Flyback Topology absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage VDD 15 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage OPEN/SD, OSC, COMP, FB, VDD, OUTP GND–0.5 V to VDD+0.5 V . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Junction temperature range, TJ –40 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 300 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. § All voltages are respect to GND. AVAILABLE OPTIONS PACKAGED DEVICES† TSSOP (PW) TA TOPOLOGY TA FLYBACK HALF-BRIDGE PUSH-PULL –40 °C to 85°C UCC2975PW UCC2976PW UCC2977PW 0 °C to 70°C UCC3975PW UCC3976PW UCC3977PW † The PW package is available taped and reeled. Add TR suffix to device type (e.g. UCC2975TRPW) to order quantities of 2500 devices per reel. |
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