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UCC39422N Datasheet(PDF) 2 Page - Texas Instruments |
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UCC39422N Datasheet(HTML) 2 Page - Texas Instruments |
2 / 39 page UCC29421, UCC29422, UCC39421, UCC39422 MULTIMODE HIGHFREQUENCY PWM CONTROLLER SLUS246C − OCTOBER 1999 − REVISED FEBRUARY 2005 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) Other features include pulse-by-pulse current limiting, and a low 5- µA quiescent current during shutdown. The UCC39422 incorporates programmable power-on reset circuitry and an uncommitted comparator for low voltage detection. The available packages are 20-pin TSSOP or 20-pin N for the UCC39422, and 16-pin TSSOP or 16-pin N for the UCC39421. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) } Supply Voltage (VIN, VOUT,VPUMP) 8 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CP 8 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RSEN –0.3 V to 12 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SYNC/SD –0.3 V to 5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ISENSE –0.3 V to 1 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Junction Temperature, TJ –55 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead Temperature (Soldering, 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 with respect to ground. Currents are positive into and negative out of the specified terminals. Consult the Packaging Section of the Databook for thermal limitations and considerations of the package. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 RESETB RSEN VOUT RECT PGND CHRG VPUMP CP VIN LOWBAT RSADJ RSEL COMP FB PFM GND RT SYNC/SD ISENSE VDET TSSOP−20, DIL−20 N, PW PACKAGES (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 RSEN VOUT RECT PGND CHRG VPUMP CP VIN RSEL COMP FB PFM GND RT SYNC/SD ISENSE TSSOP−16, DIL−16 N, PW PACKAGE (TOP VIEW) |
Similar Part No. - UCC39422N |
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Similar Description - UCC39422N |
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