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LM1117IMPX-3.3 bảng dữ liệu(PDF) 6 Page - Texas Instruments |
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LM1117IMPX-3.3 bảng dữ liệu(HTML) 6 Page - Texas Instruments |
6 / 30 page LM1117-N SNOS412L – MAY 2004 – REVISED JULY 2012 www.ti.com LM1117I ELECTRICAL CHARACTERISTICS Typicals and limits appearing in normal type apply for TJ = 25°C. Limits appearing in Boldface type apply over the entire junction temperature range for operation, −40°C to 125°C. Symbol Parameter Conditions Min(1) Typ(2) Max(1) Units VREF Reference Voltage LM1117I-ADJ IOUT = 10mA, VIN-VOUT = 2V, TJ = 25°C 1.238 1.250 1.262 V 10mA ≤ IOUT ≤ 800mA, 1.4V ≤ VIN-VOUT ≤ 1.200 1.250 1.290 V 10V VOUT Output Voltage LM1117I-3.3 IOUT = 10mA, VIN = 5V, TJ = 25°C 3.267 3.300 3.333 V 0 ≤ IOUT ≤ 800mA, 4.75V ≤ VIN ≤ 10V 3.168 3.300 3.432 V LM1117I-5.0 IOUT = 10mA, VIN = 7V, TJ = 25°C 4.950 5.000 5.050 V 0 ≤ IOUT ≤ 800mA, 6.5V ≤ VIN ≤ 12V 4.800 5.000 5.200 V ΔVOUT Line Regulation(3) LM1117I-ADJ IOUT = 10mA, 1.5V ≤ VIN-VOUT ≤ 13.75V 0.035 0.3 % LM1117I-3.3 IOUT = 0mA, 4.75V ≤ VIN ≤ 15V 1 10 mV LM1117I-5.0 IOUT = 0mA, 6.5V ≤ VIN ≤ 15V 1 15 mV ΔVOUT Load Regulation(3) LM1117I-ADJ VIN-VOUT = 3V, 10 ≤ IOUT ≤ 800mA 0.2 0.5 % LM1117I-3.3 VIN = 4.75V, 0 ≤ IOUT ≤ 800mA 1 15 mV LM1117I-5.0 VIN = 6.5V, 0 ≤ IOUT ≤ 800mA 1 20 mV VIN-V OUT Dropout Voltage(4) IOUT = 100mA 1.10 1.30 V IOUT = 500mA 1.15 1.35 V IOUT = 800mA 1.20 1.40 V ILIMIT Current Limit VIN-VOUT = 5V, TJ = 25°C 800 1200 1500 mA Minimum Load LM1117I-ADJ Current(5) VIN = 15V 1.7 5 mA Quiescent Current LM1117I-3.3 VIN ≤ 15V 5 15 mA LM1117I-5.0 VIN ≤ 15V 5 15 mA Thermal Regulation TA = 25°C, 30ms Pulse 0.01 0.1 %/W Ripple Regulation fRIPPLE =1 20Hz, VIN-VOUT = 3V VRIPPLE = 60 75 dB 1VPP Adjust Pin Current 60 120 μA Adjust Pin Current 10 ≤ IOUT≤ 800mA, Change 1.4V ≤ VIN-VOUT ≤ 10V 0.2 10 μA Temperature Stability 0.5 % Long Term Stability TA = 125°C, 1000Hrs 0.3 % RMS Output Noise (% of VOUT), 10Hz ≤ f ≤10kHz 0.003 % Thermal Resistance 3-Lead SOT-223 15.0 °C/W Junction-to-Case 3-Lead TO-252 10 °C/W (1) All limits are guaranteed by testing or statistical analysis. (2) Typical Values represent the most likely parametric norm. (3) Load and line regulation are measured at constant junction room temperature. (4) The dropout voltage is the input/output differential at which the circuit ceases to regulate against further reduction in input voltage. It is measured when the output voltage has dropped 100mV from the nominal value obtained at VIN = VOUT +1.5V. (5) The minimum output current required to maintain regulation. 6 Submit Documentation Feedback Copyright © 2004–2012, Texas Instruments Incorporated Product Folder Links: LM1117-N |
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