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TS4268CS50 Arkusz danych(PDF) 4 Page - Taiwan Semiconductor Company, Ltd |
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TS4268CS50 Arkusz danych(HTML) 4 Page - Taiwan Semiconductor Company, Ltd |
4 / 7 page Preliminary TS4268 180mA Ultra Low Dropout Voltage Regulator with Reset & Watchdog Function 4/7 Version: Preliminary Electrical Characteristics (Vin=13.5V, -40≤ Tj ≤125 oC, unless otherwise specified.) Parameter Test Conditions Min Typ Max Unit Output Voltage 5mA ≤ IL ≤ 150mA, 6V ≤ Vin ≤ 28V 4.90 5.00 5.10 V Current Limit Vout= 0 180 250 -- mA Quiescent Current Iq= 0mA Iq= 100mA -- -- 300 13 400 20 uA mA Dropout Voltage (note 1) IL=150mA -- 250 500 mV Line Regulation 6V≤ Vin ≤28V, IL=150mA -- 10 30 mV Load Regulation 5mA≤ IL ≤150mA -- 10 30 mV Reset Function Reset threshold 4.20 4.50 4.80 V Reset adjust threshold 1.28 1.35 1.45 V Reset low voltage 1mA external -- 0.20 0.50 V Saturation voltage Vout < VRT -- 0.03 0.10 V Charging current VRD < 1.0V 5 12 18 uA Upper reset timing threshold 1.4 1.8 2.2 V Reset delay time CRD = 100nF 10 15 25 mS Reset reaction time CRD = 100nF -- 2 -- uS Pull-up With resp. to Vout 18 30 46 KΩ Lower reset timing threshold 0.20 0.40 0.55 V Watchdog Input Discharge current VRD < 1.0V 1.5 3.5 5.2 uA Charging current VRD < 1.0V 5 12 18 uA Upper timing threshold 1.4 1.8 2.2 V Lower timing threshold 0.20 0.40 0.55 V Watchdog periode CRD = 100nF 30 55 75 mS Watchdog trigger time CRD = 100nF 25 40 60 mS Activating current Activates watchdog 2 8 15 mA Slew rate from 20% up to 80% Vout 5 -- -- V/us Note 1: Drop voltage = Vin - Vout (measured when the output voltage has dropped 100 mV from the nominal value obtained at 13.5 V input) Note 2: The reset output is low in range from Vout = 1V to Vout,rt. |
Podobny numer części - TS4268CS50 |
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Podobny opis - TS4268CS50 |
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