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TPS2070 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS2070 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 29 page  TPS2070, TPS2071 FOUR-PORT USB HUB POWER CONTROLLERS SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 32-DAP 1162.8 mW 11.6 mW/ °C 639.5 mW 465.1 mW 32-DAP† 4255.3 mW 42.5 mW/ °C 2340.4 mW 1702.1 mW † Using PowerPAD as heatsink. recommended operating conditions MIN MAX UNIT VI(BP) 4.5 5.5 VI(SP) 0 5.5 Input voltage VI(VEXT) 0 9 V Input voltage VI(BP_DIS) 0 5.5 V VI(ENx) 0 5.5 VI(EN_REG) 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 electrical characteristics over recommended operating junction temperature range, 4.5 V ≤ VI(BP) ≤ 5.5 V, 4.85 V ≤ VI(SP) ≤ 5.5 V, 6 V ≤ VI(VEXT) ≤ 9 V, ENx = 0 V, EN_REG = 0 V, BP_DIS = 0 V (unless otherwise noted) input current PARAMETER TEST CONDITIONS† MIN TYP MAX UNIT I t t t BP it h N l d OUT d 3 3V OUT VI(SP) = Hi-Z 185 240 Input current at BP, switches disabled No load on OUTx and 3.3V_OUT, ENx=VI(BP) VI(SP) = 0 V 185 240 µA II(BP) disabled ENx = VI(BP) VI(SP) = 5 V 175 210 II(BP) I t t t BP it h N l d OUT d 3 3V OUT VI(SP) = Hi-Z 185 240 Input current at BP, switches enabled No load on OUTx and 3.3V_OUT, ENx=0V VI(SP) = 0 V 185 240 µA enabled ENx = 0 V VI(SP) = 5 V 175 210 I t t t SP it h N l d OUT d 3 3V OUT VI(BP) = Hi-Z 90 115 Input current at SP, switches disabled No load on OUTx and 3.3V_OUT, ENx=VI(SP) VI(BP) = 0 V 90 115 µA II(SP) disabled ENx = VI(SP) VI(BP) = 5 V 115 140 II(SP) I t t t SP it h N l d OUT d 3 3V OUT VI(BP) = Hi-Z 90 115 Input current at SP, switches enabled No load on OUTx and 3.3V_OUT, ENx=0V VI(BP) = 0 V 90 115 µA enabled ENx = 0V VI(BP) = 5 V 115 140 II(VEXT) Input current at VEXT, LDO controller disabled VI(EN_REG) = 0 V or Hi-Z, VI(BP) = 5 V, VI(SP) = Hi-Z 200 360 µA II(VEXT) Input current, at VEXT, LDO controller enabled VI(EN_REG) = 5 V, VI(BP) = 5 V, VI(SP) = Hi-Z 10 mA † Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. |
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