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TPS2112A Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS2112A Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 21 page TPS2112A TPS2113A SBVS045A − MARCH 2004 − REVISED FEBRUARY 2006 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 TPS2112A RILIM = 400 Ω 0.51 0.63 0.80 Current limit accuracy TPS2112A RILIM = 700 Ω 0.30 0.36 0.50 A Current limit accuracy TPS2113A RILIM = 400 Ω 0.95 1.25 1.56 A TPS2113A 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 VDD 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 EN = high, VI(IN1) = 3.3 V and VI(IN2) = VI(VSNS) = 0 V. Connect OUT to a 5 V supply through a series 1-k Ω resistor. Let EN = 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) TPS211xA is in current limit. 135 Recovery from thermal shutdown(1) TPS211xA 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) 10 20 50 µs (1) Not tested in production. |
Numéro de pièce similaire - TPS2112A_06 |
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Description similaire - TPS2112A_06 |
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