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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPPM0302DGNR Fiches technique(PDF) 4 Page - Texas Instruments |
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TPPM0302DGNR Fiches technique(HTML) 4 Page - Texas Instruments |
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4 / 16 page  TPPM0302 400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK SLVS316 – NOVEMBER 2000 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, TA = 0°C to 70 °C, CL = 4.7 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V(5VCC)/ V(5VAUX) 5-V inputs 4.5 5 5.5 V I(Q) Quiescent supply current From 5VCC or 5VAUX terminals, IL = 0 mA to 400 mA 2.5 5 mA I(Q) Quiescent supply current From 3.3VAUX terminal, IL = 0 A 250 500 µA IL Output load current 0.4 A I(LIMIT) Output current limit 3.3VOUT = 0 V 1 1.5 A T(TSD)† Thermal shutdown 3 3VOUT output shorted to 0 V 150 180 °C Thys† Thermal hysteresis 3.3VOUT output shorted to 0 V 15 °C V(3.3VOUT) 3.3-V output IL = 400 mA 3.135 3.3 3.465 V CL Load capacitance Minimal ESR to insure stability of regulated output 4.7 µF Ilkg(REV) Reverse leakage output current Tested for input that is grounded. 3.3VAUX, 5VAUX, or 5VCC = GND, 3.3VOUT = 3.3 V 50 µA † Design targets only. Not tested in production. 5-V detect PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V(TO_LO) Threshold voltage, low 5VAUX or 5VCC ↓ 3.85 4.05 4.25 V V(TO_HI) Threshold voltage, high 5VAUX or 5VCC ↑ 4.1 4.3 4.5 V auxiliary switch PARAMETER TEST CONDITIONS MIN TYP MAX UNIT R(SWITCH) Auxiliary switch resistance 5VAUX = 5VCC = 0 V, 3.3VAUX = 3.3 V, IL = 150 mA 0.4 Ω ∆VO(∆VI) Line regulation voltage 5VAUX or 5VCC = 4.5 V to 5.5 V 2 mV ∆VO(∆IO) Load regulation voltage 20 mA < IL < 400 mA 40 mV VI – VO Dropout voltage IL < 400 mA 1 V Power OK (POK) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V(TO_POK) POK threshold voltage 2.67 2.8 2.93 V VOL Output low voltage 3.3VOUT = 0 → 3.3 V and starts POK delay timer 0.4 V IOH Output high current 200 µA VOH Output high voltage 5K pullup to 3.3VOUT 3.3 V timing characteristics, TA = 0°C to 70°C, CL = 4.7 µF (unless otherwise noted)† PARAMETER TEST CONDITIONS MIN TYP MAX UNIT td Power OK delay 5VCC or 5VAUX or 3.3VAUX > VTO and POK ↑ 5 10 ms † Design targets only. Not tested in production. thermal characteristics‡ PARAMETER MIN TYP MAX UNIT R θJC Thermal impedance, junction-to-case 4.7 °C/W R θJA Thermal impedance, junction-to-ambient 59 °C/W ‡ Based on Texas Instrument recommended board for PowerPAD package. |
Numéro de pièce similaire - TPPM0302DGNR |
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Description similaire - TPPM0302DGNR |
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