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UCC381DPTR-5 Datasheet(PDF) 3 Page - Texas Instruments |
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UCC381DPTR-5 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 10 page 3 UCC281-3/-5/-ADJ UCC381-3/-5/-ADJ ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications hold for TA = 0 °C to 70°C for the UCC381-X series and −40°C to +85°C for the UCC283-X series, VIN =VOUT + 1.5V, IOUT = 0mA, COUT = 2.2µF. CT = 1500pF for the UCC381-ADJ version and VOUT set to 5V. TJ = TA. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS UCC381-3 Fixed 3.3V, 1A Family Output Voltage TJ = 25°C 3.25 3.3 3.35 V Over Temperature 3.22 3.38 V Line Regulation VIN = 3.45V to 9V 1 3 mV Load Regulation IOUT = 0mA to 1A 2 5 mV Dropout Voltage, VIN -VOUT IOUT = 1A, VOUT = 3.15V, TA < 85°C 0.6 0.8 V IOUT = 200mA, VOUT = 3.15V, TA < 85°C 100 200 mV Peak Current Limit VOUT = 0V 2 3.5 A Overcurrent Threshold 1 1.8 A Current Limit Duty Cycle VOUT = 0V 3 5 % Overcurrent Time Out, TON VOUT = 0V 400 750 1600 µs Quiescent Current 400 650 µA Quiescent Current in Shutdown VIN = 9V 10 25 µA Shutdown Threshold At CT Input 0.25 0.65 V Reverse Leakage Current 1V < VIN <VOUT,VOUT < 3.35V, at VOUT 75 µA UVLO Threshold VIN where VOUT passes current 2.5 2.8 3.0 V UCC381-ADJ Adjustable Output, 1A Family Regulating Voltage at ADJ Input TJ = 25°C 1.23 1.25 1.27 V Over Temperature 1.22 1.28 V Line Regulation, at ADJ Input VIN =VOUT + 150mV to 9V 1 3 mV Load Regulation, at ADJ Input IOUT = 0mA to 1A 2 5 mV Dropout Voltage, VIN -VOUT IOUT = 1A, VOUT = 4.85V 0.5 0.6 V IOUT = 200mA, VOUT = 4.85V 100 200 mV Peak Current Limit VOUT = 0V 2 3.5 A Overcurrent Threshold 1 1.8 A Current Limit Duty Cycle VOUT = 0V 3 5 % Overcurrent Time Out, TON VOUT = 0V, CT = 1500pF 400 1000 1600 µs Quiescent Current 400 650 µA Quiescent Current in Shutdown VIN = 9V 10 25 µA Shutdown Threshold At CT Input 0.25 0.65 V Reverse Leakage Current 1V < VIN <VOUT,VOUT < 9V, at VOUT 100 µA Bias Current at ADJ Input 100 250 nA UVLO Threshold VIN where VOUT passes current 2.5 2.8 3.0 V |
Similar Part No. - UCC381DPTR-5 |
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Similar Description - UCC381DPTR-5 |
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