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TPS2110PWG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS2110PWG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 20 page TPS2110 TPS2111 SLVS443 – DECEMBER 2002 www.ti.com 4 ELECTRICAL CHARACTERISTICS Continued over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, RILIM = 400 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT LIMIT CIRCUIT TPS2110 RILIM = 400 Ω 0.51 0.63 0.80 Current limit accuracy TPS2110 RILIM = 700 Ω 0.30 0.36 0.50 A Current limit accuracy TPS2111 RILIM = 400 Ω 0.95 1.25 1.56 A TPS2111 RILIM = 700 Ω 0.47 0.71 0.99 td Current limit settling time(1) Time for short–circuit output current to settle within 10% of its steady state value. 1 ms Input current at ILIM VI(ILIM) = 0 V, IO(OUT) = 0 A –15 0 µA (1) Not tested in production. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VSNS COMPARATOR VSNS threshold voltage VI(VSNS) ↑ 0.78 0.8 0.82 V VSNS threshold voltage VI(VSNS) ↓ 0.735 0.755 0.775 V VSNS comparator hysteresis(1) 30 60 mV Deglitch of VSNS comparator (both ↑↓)(1) 90 150 220 µs Input current 0 V ≤ VI(VSNS) ≤ 5.5 V –1 1 µA UVLO IN1 and IN2 UVLO Falling edge 1.15 1.25 V IN1 and IN2 UVLO Rising edge 1.30 1.35 V IN1 and IN2 UVLO hysteresis(1) 30 57 65 mV Internal V UVLO (the higher of IN1 and IN2) Falling edge 2.4 2.53 V Internal VDD UVLO (the higher of IN1 and IN2) Rising edge 2.58 2.8 V Internal VDD UVLO hysteresis(1) 30 50 75 mV UVLO deglitch for IN1, IN2(1) Falling edge 110 µs (1) Not tested in production. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT REVERSE CONDUCTION BLOCKING ∆VO(I_block) Minimum output-to-input voltage difference to block switching D0 = D1 = high, VI(INx) = 3.3 V. Connect OUT to a 5 V supply through a series 1-k Ω resistor. Let D0 = low. Slowly decrease the supply voltage until OUT connects to IN1. 80 100 120 mV PARAMETER TEST CONDITIONS MIN TYP MAX UNIT THERMAL SHUTDOWN Thermal shutdown threshold(1) TPS211x is in current limit. 135 Recovery from thermal shutdown(1) TPS211x is in current limit. 125 °C Hysteresis(1) 10 C IN2–IN1 COMPARATORS Hysteresis of IN2–IN1 comparator 0.1 0.2 V Deglitch of IN2–IN1 comparator, (both ↑↓)(1) 90 150 220 µs (1) Not tested in production. |
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