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TPS23851DCER Datasheet(PDF) 4 Page - Texas Instruments |
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TPS23851DCER Datasheet(HTML) 4 Page - Texas Instruments |
4 / 62 page TPS23851 SLUSAB3 – SEPTEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS Conditions are -20 ≤ TJ ≤ 125°C unless otherwise noted. VVDD = 3.3 V, VVEE = -48 V, VDGND = VAGND, and all outputs are unloaded, unless otherwise noted. Positive currents are into pins. Current sense resistor = 0.5 Ω. Typical values are at 25°C. All voltages are with respect to DGND unless otherwise noted. Operating registers loaded with default values unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input Supply IVDD VDD current consumption 2 5 mA IVEE VEE current consumption -7 -10 Detection First detection point, DET = 0 V 145 165 190 IDISC Detection current µA Second detection point, DET = 0 V 245 275 310 VDETECT Open circuit detection voltage -25 -18.11 -17 V Rejected resistance low RREJ_LOW 2.8 15 range Rejected resistance high RREJ_HI 33 55 range K Ω RACCEPT Accepted resistance range 19 25 26.5 RSHORT Shorted port threshold 1.5 ROPEN Open port threshold 55 Classification VCLASS Classification voltage At DET pin -21 -18.5 -16.4 V ICLASS_Lim Classification current limit At 0 V 52.5 70 95 mA Gate VGOH Gate drive voltage VGATEn-VEE , IGATE = -1 µA 8 10.5 V Gate sinking current with port IGO- VGATEn-VEE = 5 V 70 100 120 short-circuit detected mA IGO+ Gate sourcing current VGATEn = VVEE 0.05 1.5 Gate turn off time with From SHDNn to VGATEn-VEE < 1 V, SENn tD_off 900 /SHDNn connected to VEE Gate turn off time from port From port off command to VGATEn-VEE < 1 V, SENn tP_off_CMD 900 off command connected to VEE µs Gate turn off time with From RESET low to VGATEn-VEE < 1V, SENn tP_off_RST 1 5 RESET connected to VEE Gate turn on and turn off di/dt tP_didt From port turn on/off command or from SHDN input 150 control period OUT Pin Sense VPGT Power good threshold Measured at VOUT 1.5 2.13 3 V Resistance from OUT to 2.5 M Ω AGND VOUT = 0 V -6 5 IOUT OUT pin bias current -10 V > VOUT > -30 V -18 0 µA VOUT = -48 -30 -20 -10 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS23851 |
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