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TPS43000 Datasheet(PDF) 2 Page - Texas Instruments |
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TPS43000 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 31 page TPS43000 SLUS489 − OCTOBER 2001 2 www.ti.com description (continued) The TPS43000 features a selectable two-level current-limit circuit which senses the voltage drop across the energizing MOSFET. The user can select either pulse-by-pulse current limiting or hiccup mode overcurrent protection. The TPS43000 also features a low-power (LP) mode (which reduces gate charge losses in the N-channel MOSFET at high input/output voltages), undervoltage lockout, and soft-start. The TPS43000 is available in a 16-pin TSSOP (PW) package. absolute maximum ratings over operating free-air temperature (unless otherwise noted)†w Input voltage (VIN, VP, VOUT) −0.3 V to 10 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (BUCK, CCM, CCS, PFM, SYNC/SD) −0.3 V to VIN + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . (SWN) −0.3 V to 17 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (SWP) −0.3 V to VIN + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Junction temperature range, TJ −55 °C to 150°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 with respect to ground. Currents are positive into, negative out of the specified terminals. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SYNC/SD CCS RT CCM BUCK PFM COMP FB SWN SWP VP PDRV GND NDRV VOUT VIN PW PACKAGE (TOP VIEW) recommended operating conditions MIN MAX UNIT Input voltage, VIN, VP 9 Input voltage, VOUT 8 V Input voltage, BUCK, CCM, CCS, PFM, SYNC/SD, SWP 9 V Input voltage, SWN 17 Operating junction temperature range, TJ § −40 85 °C § t is not recommended that the device operate for extended periods of time under conditions beyond those specified in this table. |
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