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TPS27S100X Datasheet(PDF) 7 Page - Texas Instruments |
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TPS27S100X Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 36 page  7 TPS27S100 www.ti.com SLVSE42 – OCTOBER 2017 Product Folder Links: TPS27S100 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics (continued) 5 V < VIN < 40 V; –40°C < TJ < 150°C unless otherwise specified PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIAGNOSTICS V(ol,off) Open-load detection threshold in off- state VEN = 0 V, When VIN – VOUT < V(ol,off), duration longer than td(ol,off). Open load detected. 1.4 1.8 2.6 V I(ol,off) Off-state output sink current with open load VEN = 0 V, VIN = VOUT = 24 V, TJ = 125°C. –150 µA td(ol,off) Open-load detection-threshold deglitch time in off state VEN = 0 V, When VIN – VOUT < Vol,off, duration longer than tol,off. Open load detected. 600 µs I(ol,on) Open-load detection threshold in on state VEN = 5 V, when IOUT < I(ol,on), duration longer than td(ol,on). Open load detected. Version A only 2 6 10 mA td(ol,on) Open-load detection-threshold deglitch time in on-state VEN = 5 V, when IOUT < I(ol,on), duration longer than td(ol,on). Open load detected. 700 µs V(FLT) Fault low output voltage IFLT = 2 mA 0.4 V T(SD) Thermal shutdown threshold 175 °C T(SD,rst) Thermal shutdown status reset 155 °C T(SW) Thermal swing shutdown threshold 60 °C T(hys) Hysteresis for resetting the thermal shutdown and swing 10 °C CURRENT MONITOR AND CURRENT LIMIT K(IMON) Current sense current ratio 500 K(ILIM) Current limit current ratio 2000 dK(IMON)/K(IM ON) Current-monitor accuracy Iload ≥ 5 mA –80 80 % Iload ≥ 25 mA –12 12 Iload ≥ 50 mA –8 8 Iload ≥ 0.1 A –5 5 Iload ≥ 1 A –3 3 dK(ILIM)/K(ILIM) External current-limit accuracy Ilimit ≥ 0.5 A, 25°C < TJ < 150°C –20 20 % Ilimit ≥ 0.5 A, -40°C < TJ < 25°C –28 28 % dK(ILIM)/K(ILIM) External current-limit accuracy Ilimit ≥ 1.6 A, 25°C < TJ < 150°C –15 15 % Ilimit ≥ 1.6 A, -40°C < TJ < 25°C –18 18 VIMON(lin) Current-monitor voltage linear voltage range(1) VIN ≥ 5 V 0 4 V IOUT(lin) Current-monitor voltage linear current range(1) VIN ≥ 5 V, VIMON(lin) ≤ 4 V 0 4 A VIMON(H) IMON pin voltage in Fault mode VIN ≥ 7 V, fault mode 4.3 4.75 4.9 V VIN ≥ 5 V, fault mode Min(VIN – 0.8, 4.3) 4.9 IIMON(H) IMON pin current in Fault mode VIMON = 4.3 V, VIN > 7 V, fault mode 10 mA VIMON(th) Current limit internal threshold voltage(1) 1.233 V |
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