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TPS24772 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS24772 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 51 page  TPS24772 TPS24771 TPS24770 www.ti.com SLVSCZ3 – MARCH 2015 8.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VDD, SENM, SET, FSTP 2.5 18 Input voltage V ENHS, FLTb, PGHS, OUTH 0 18 Sink current FLTb, PGHS 0 2 mA Source current IMON 0 1 mA PLIM 4.99 500 k Ω IMON 1 6 k Ω External resistance FSTP 10 4000 Ω SET 10 400 Ω w/o RSTBL 10 70 RIMON / RSET With appropriate RSTBL (1) 3 10 with CHGATE > 47nF (2) 10 200 TINR, TFLT 1 nF HGATE, (2) 0 1 µF External capacitor IMON 30 pF IMONBUF 100 pF Operating junction temperature, TJ –40 125 °C (1) Refer to RSTBL Requirment for RIMON / RSET < 10 as described in section Select RSNS and VSNS,CL Setting. (2) External capacitance tied to HGATE, should be in series with a resistor no less than 1k Ω. 8.4 Thermal Information RGE THERMAL METRIC(1) UNIT 24 PINS RθJA Junction-to-ambient thermal resistance 34.6 RθJC(top) Junction-to-case (top) thermal resistance 38.4 RθJB Junction-to-board thermal resistance 12.9 °C/W ψJT Junction-to-top characterization parameter 0.5 ψJB Junction-to-board characterization parameter 12.9 RθJC(bot) Junction-to-case (bottom) thermal resistance 3.2 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 8.5 Electrical Characteristics Unless otherwise noted these limits apply to the following: -40°C < TJ<125°C; 2.5V < VVDD, VOUT < 18V; VENHS = 2 V; VOV = 0 V; VHGATE, VPGHS, VFLTB, and VIMONBUF are floating; CINR = 1nF; CFLT = 1nF; RSET = 44.2 Ω; RIMON = 2.98k Ω; RFSTP = 200 Ω; RPLIM = 52 kΩ. PARAMETER TEST CONDITION MIN TYP MAX UNIT INPUT SUPPLY (VDD) VUVR UVLO threshold, rising 2.2 2.32 2.45 V VUVhyst UVLO hysteresis 0.10 V IQON Supply current: IVDD + IOUTH Device on, VENHS = 2V 2.95 4 mA Hot Swap FET ENABLE (ENHS) VENHS Threshold voltage, rising 1.3 1.35 1.4 V VENHShyst Hysteresis 50 mV IENHS Input Leakage Current 0 ≤ VENHS ≤ 30V –1 1 µA OVER VOLTAGE (OV) VOVR Threshold voltage, rising 1.3 1.35 1.4 mV VOVhyst Hysteresis 50 mV IOV Input leakage current 0 ≤ VOV ≤ 30V –1 1 µA Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS24772 TPS24771 TPS24770 |
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