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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS65982ABZBHR датащи(PDF) 12 Page - Texas Instruments |
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TPS65982ABZBHR датащи(HTML) 12 Page - Texas Instruments |
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12 / 121 page  12 TPS65982 SLVSD02D – MARCH 2015 – REVISED JUNE 2019 www.ti.com Product Folder Links: TPS65982 Submit Documentation Feedback Copyright © 2015–2019, Texas Instruments Incorporated (1) I/O buffers are not fail-safe to LDO_3V3. Therefore, VDDIO may power-up before LDO_3V3. When VDDIO powers up before LDO_3V3, the I/Os shall not be driven high. When VDDIO is low and LDO_3V3 is high, the I/Os may be driven high. 7.5 Power Supply Requirements and Characteristics Recommended operating conditions; TA = –10 to 85°C unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EXTERNAL VIN_3V3 Input 3.3-V supply 2.85 3.3 3.45 V PP_CABLE Input voltage to power C_CC pins. This input is also available to power core circuitry and the VOUT_3V3 output 2.95 5 5.5 V VBUS Bi-direction DC bus voltage. Output from the TPS65982 or input to the TPS65982 4 5 22 V PP_5V0 5V supply input to power VBUS. This supply does not power the TPS65982 4.75 5 5.5 V VDDIO(1) Optional supply for I/O cells 1.7 3.45 V INTERNAL VLDO_3V3 DC 3.3V generated internally by either a switch from VIN_3V3, an LDO from PP_CABLE, or an LDO from VBUS 2.7 3.3 3.45 V VDO_LDO3V3 Drop Out Voltage of LDO_3V3 from PP_CABLE ILOAD = 50 mA 250 mV Drop Out Voltage of LDO_3V3 from VBUS 250 500 750 mV VLDO_1V8D DC 1.8V generated for internal digital circuitry 1.7 1.8 1.9 V VLDO_1V8A DC 1.8V generated for internal analog circuitry 1.7 1.8 1.9 V VLDO_BMC DC voltage generated on LDO_BMC. Setting for USB-PD 1.05 1.125 1.2 V ILDO_3V3 DC current supplied by the 3.3V LDOs. This includes internal core power and external load on LDO_3V3 70 mA ILDO_3V3EX External DC current supplied by LDO_3V3 30 mA IOUT_3V3 External DC current supplied by VOUT_3V3 100 mA ILDO_1V8D DC current supplied by LDO_1V8D. This is intended for internal loads only but small external loads may be added 50 mA ILDO_1V8DEX External DC current supplied by LDO_1V8D 5 mA ILDO_1V8A DC current supplied by LDO_1V8A. This is intended for internal loads only but small external loads may be added 20 mA ILDO_1V8AEX External DC current supplied by LDO_1V8A 5 mA ILDO_BMC DC current supplied by LDO_BMC. This is intended for internal loads only 5 mA ILDO_BMCEX External DC current supplied by LDO_BMC 0 mA VFWD_DROP Forward voltage drop across VIN_3V3 to LDO_3V3 switch ILOAD = 50 mA 25 60 90 mV RIN_3V3 Input switch resistance from VIN_3V3 to LDO_3V3 VVIN_3V3 – VLDO_3V3 > 50 mV 0.5 1.1 1.75 Ω ROUT_3V3 Output switch resistance from VIN_3V3 to VOUT_3V3 0.35 0.7 Ω TR_OUT3V3 10-90% rise time on VOUT_3V3 from switch enable CVOUT_3V3 = 1 μF 35 120 µs |
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