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UC2875SDWREP датащи(PDF) 1 Page - Texas Instruments |
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UC2875SDWREP датащи(HTML) 1 Page - Texas Instruments |
1 / 18 page UC2875EP PHASE SHIFT RESONANT CONTROLLER SGLS233A − FEBRUARY 2004 − REVISED DECEMBER 2008 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Controlled Baseline − One Assembly/Test Site, One Fabrication Site D Extended Temperature Performance of −25 °C to 110°C D Enhanced Diminishing Manufacturing Sources (DMS) Support D Enhanced Product Change Notification D Qualification Pedigree† D Zero to 100% Duty Cycle Control D Programmable Output Turn-On Delay D Compatible with Voltage or Current Mode Topologies D Practical Operation at Switching Frequencies to 1 MHz D Four 2 A Totem Pole Outputs D 10 MHz Error Amplifier D Under-Voltage Lockout † Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. D Low Startup Current −150 mA D Outputs Active Low During UVLO D Soft-Start Control D Latched Over-Current Comparator With Full Cycle Restart D Trimmed Reference description/ordering information The UC2875 integrated circuit implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies. This circuit may be configured to provide control in either voltage or current mode operation, with a separate over-current shutdown for fast fault protection. A programmable time delay is provided to insert a dead-time at the turn-on of each output stage. This delay, providing time to allow the resonant switching action, is independently controllable for each output pair (A−B, C−D). ORDERING INFORMATION TA PACKAGE‡ ORDERABLE PART NUMBER TOP-SIDE MARKING −25 °C to 110°C SOP − DW Tape and reel UC2875SDWREP UC2875SEP ‡ Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2004 − 2008 Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. DW PACKAGE (TOP VIEW) NC = No Connect 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VREF E/AOUT EA− EA+ CS+ SOFTSTART GND GND GND DELAYSET C−D NC OUTD OUTC VC GND RAMP SLOPE CLOCKSYNC FREQSET DELAYSET A−B GND GND GND NC OUTA OUTB PWRGND VIN |
Аналогичный номер детали - UC2875SDWREP |
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Аналогичное описание - UC2875SDWREP |
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