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TPS2370 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2370 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 19 page TPS2370 SLUS537C − AUGUST 2002 − REVISED MARCH 2004 www.ti.com 3 ELECTRICAL CHARACTERISTICS VDD = 48 V; TA = 0°C to 70°C; all voltages and currents are with respect to VEE; (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY Offset current VDD = 1.8 V, DET = OPEN 3 IDD Sleep current 1.8 V ≤ VDD < 10 V, DET = OPEN 5 12 A IDET Detection load current RDET = 24.9 kΩ, VDD = 1.8 V 70 73 76 µA IDET Detection load current RDET = 24.9 kΩ, VDD = 9.5 V 380 390 400 Classification current threshold Turn on 10.0 12.5 14.0 V Classification current threshold Turn off 21.5 22.5 23.5 V VDD current class 0 0.44 W ≤ PPoE ≤ 12.95 W, 15 V ≤ VDD ≤ 20 V, RCLASS = 4.42 kΩ 2.2 2.5 2.8 VDD current class 1 0.44 W ≤ PPoE ≤ 3.84 W, 15 V ≤ VDD ≤ 20 V, RCLASS = 953 Ω 10.4 10.8 11.5 VDD current class 2 3.84 W ≤ PPoE ≤ 6.49 W, 15 V ≤ VDD ≤ 20 V, RCLASS = 549 Ω 18.1 18.6 19.5 mA VDD current class 3 6.49 W ≤ PPoE ≤ 12.95 W, 15 V ≤ VDD ≤ 20 V, RCLASS = 357 Ω 27.7 28.4 29.9 VDD current class 4 Reserved for future use, 15 V ≤ VDD ≤ 20 V, RCLASS = 255 Ω 38.5 39.6 42.0 VDD quiescent current 30 V ≤ VDD ≤ 57 V, RCLASS = 255 Ω 500 800 µA Input UVLO threshold Turn on 38.6 40.2 41.8 Input UVLO threshold Turn off 30.2 31.4 32.6 V UVLO hysteresis 7.8 8.8 9.8 V EN_DC sink current 40 80 200 µA RTN threshold for EN_DC 1.2 1.5 1.8 V DMOS RDS(on) IRTN = 200 mA 0.15 0.30 0.60 Ω Full load current limit VRTN < 1.5 V 405 455 505 mA ILIM current limit programming RLIM = 125 kΩ, VRTN > 1.5 V during startup 180 250 300 mA Thermal shutdown temperature 144 °C Thermal shutdown hysteresis 20 °C 1 2 3 4 8 7 6 5 ILIM CLASS DET VEE VDD NC EN_DC RTN D OR PW PACKAGE (TOP VIEW) |
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