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TPS2393PWRG4 датащи(PDF) 5 Page - Texas Instruments |
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TPS2393PWRG4 датащи(HTML) 5 Page - Texas Instruments |
5 / 34 page TPS2392 TPS2393 SLUS536C − AUGUST 2002 − REVISED AUGUST 2004 www.ti.com 5 ELECTRICAL CHARACTERISTICS (continued) VI(−VIN) = −48 V with respect to RTN, VI(EN) = 2.8 V, VI(INSA) = 0 V, VI(INSB) = 0 V, VI(UVLO) = 2.5 V, VI(OVLO) = 0 V, VI(ISENS) = 0 V, all outputs unloaded, TA = −40°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT FAULT TIMER VOL Low-level output voltage, FLTTIME VI(EN) = 0 V 5 mV ICHG Charging current, current limit mode VI(ISENS) = 80 mV, VO(FLTTIME) = 2 V −55 −50 −45 µA VFLT Fault threshold voltage 3.75 4.00 4.25 V IDSG Discharge current, retry mode TPS2393 VI(ISENS) = 80 mV, VO(FLTTIME) = 2 V 0.38 0.61 µA D Output duty cycle TPS2393 VI(ISENS) = 80 mV 1.0% 1.5% IRST Discharge current, timer reset mode VO(FLTTIME) = 2 V, VI(ISENS) = 0 V 1 mA POWERGOOD SENSING VTH DRAINSNS threshold voltage 1.20 1.35 1.50 V ISRC DRAINSNS pull-up current VI(DRAINSNS) = 0 V −14 −11 −8 A IOH High-level output leakage current, PG output VI(EN) = 0 V, VO(PG) = 65 V 10 µA RDS(on) Driver on-resistance, PG output VI(ISENS) = 0 V, VI(DRAINSNS) = 0 V IO(PG) = 1 mA 50 80 Ω FAULT OUTPUT IOH High-level output leakage current, FAULT VI(EN) = 0 V, VO(FAULT) = 65 V 10 µA RDS(on) Driver on-resistance, FAULT VI(ISENS) = 80 V, VO(FLTTIME) = 5 V IO(FAULT) = 1 mA 50 80 Ω (1) All voltages are with respect to the −VIN terminal, unless otherwise stated. (2) Currents are positive into and negative out of the specified terminals. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME PW DBT I/O DESCRIPTION DRAINSNS 13 41 I Sense input for monitoring the load voltage status EN 5 14 I Enable input to turn on/off power to the load FAULT 4 13 O Open-drain, active-low indication of a load fault condition FLTTIME 6 15 I/O Connection for user-programming of the fault timeout period GATE 10 28 O Gate drive for external N−channel FET INSA 2 1 I Insertion detection input pin A INSB 3 7 I Insertion detection input pin B IRAMP 7 16 I/O Programming input for setting the inrush current slew rate ISENS 9 27 I Current sense input OVLO 14 43 I Voltage sense input for supply overvoltage lockout (OVLO) protection PG 12 40 O Open-drain, active-low indication of load power-good condition RTN 11 34 I Positive supply input UVLO 1 44 I Voltage sense input for supply undervoltage lockout (UVLO) protection −VIN 8 22 I Negative supply input and reference pin |
Аналогичный номер детали - TPS2393PWRG4 |
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Аналогичное описание - TPS2393PWRG4 |
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