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TPS2074DBR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS2074DBR Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 25 page  TPS2074, TPS2075 FOUR-PORT USB HUB POWER CONTROLLERS SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 detailed description (continued) OC1, OC2, OC3, OC4 OCx is an output signal that is asserted (active low) when an overcurrent or overtemperature condition is encountered for the corresponding channel. OCx will remain asserted until the overcurrent or overtemperature condition is removed. EN1, EN2, EN3, EN4, The active-low logic input ENx enables or disables the power switches in the device. The enable input is compatible with both TTL and CMOS logic levels. The switches will not turn on until 3.3V_OUT is above the PG threshold. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†‡ Input voltage range: VI(BP), VI(SP), VI(ENx), VI(BP_DIS) –0.3 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range: VO(OUTx) –0.3 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VO(3.3V_OUT), VO(PG_DLY), VO(OCx), VO(BPMODE), VO(DP0_RST), VO(PG) –0.3 V to VO (3.3V_OUT) 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current: IO(OUTx), IO(3.3V_OUT) internally limited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum output current: IO(BPMODE) or IO(BPMODE), IO(DP0_RST), IO(PG), IO(OCx) ±10 mA . . . . . . . . . . Continuous total power dissipation See Dissipation Rating Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature range, TJ –40 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds 260 °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 GND. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING TA = 85°C POWER RATING 24 DB 889.7 mW 8.9 mW/ °C 489.3 mW 355.9 mW recommended operating conditions MIN MAX UNIT VI(BP) 4.5 5.5 Input voltage VI(SP) 0 5.5 V Input voltage VI(BP_DIS) 0 5.5 V VI(ENx) 0 5.5 BP to OUTx (per switch) 100 Continuous output current, IO SP to OUTx (per switch) 500 mA O BP to 3.3V_OUT 100 Operating virtual junction temperature, TJ -40 125 °C |
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