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TS5218CQRF Scheda tecnica(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS5218CQRF Scheda tecnica(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
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2 / 7 page  TS5218 800mA Ultra Low Dropout Voltage Regulator with Enable 2/7 Version: A09 Electrical Characteristics VIN = VOUT + 1V, VIN =2.5V for fixed reference output voltage, Venable= 2.25V, Ta = 25 oC, unless otherwise specified. Parameter Conditions Min Typ Max Unit IL=10mA 0.980|Vo| 1.020|Vo| Fixed Reference Output Voltage 10mA ≤ IL ≤ 800mA, 2.5V ≤ VIN ≤ 16V 0.970|Vo| 1.24 (VREF) 1.030|Vo| V Line Regulation IL=10mA, Vo+1V ≤ VIN ≤ 16V -- 0.05 0.5 % VIN =Vout+1V, 8mA≤IL≤300mA -- 0.05 0.1 Load Regulation VIN =Vout+1V, 10mA≤IL≤800mA -- 0.2 1.0 % Output Voltage Temp. Coefficient -- 40 100 ppm/ oC Dropout Voltage (Note 5) ΔVOUT = -1% IL=100mA IL=400mA IL=800mA -- -- -- 100 300 400 250 380 700 mV Quiescent Current (Note 6) VIN= VOUT +1V IL=100mA IL=500mA IL=800mA -- -- -- 0.7 4.0 12.0 2 6 20 mA Current Limited VOUT =0, VIN = VOUT +1V -- 1.8 -- A Low (OFF) -- -- 0.8 Input Logic Voltage High (ON) 2.25 -- -- V VEN =2.25V -- -- 75 Enable Pin Input Current VEN =0.8V -- -- 4 uA Adjust Pin Bias Current -- 40 120 nA Reference Voltage Temp. Coefficient (Note 8) -- 20 -- ppm/ oC Adjust Pin Bias Current Temp. Coefficient -- 0.1 -- nA/ oC Note: 1. Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed specifications and test conditions see the Electrical Characteristics. 2. The device is not guaranteed to operate outside its operating rating. 3. Devices are ESD sensitive. Handling precautions recommended. 4. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ, the junction to ambient thermal resistance, ӨJA, and the ambient temperature, Ta. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. The effective value of ӨJA can be reduced by using a heat sink, Pd(max) = (TJ(max) – Ta) / ӨJA. 5. Dropout voltage is defined as the input to output differential at which the output voltage drops -1% below its nominal value measured at 1V differential. 6. Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the ground pin current and output load current, IGND = IIN - IOUT for fix output voltage, IGND = IIN - IOUT +10mA for fix reference output voltage in full load regulation. 7. VREF ≤ VOUT ≤ (VIN – 1V), 2.25V ≤ VIN ≤ 16V, 10mA ≤ IL ≤ 1.0A. 8. Output voltage temperature coefficient is ΔVOUT (worse cast) / (TJ(max) – TJ(MIN)) where is TJ(max) +125 oC and TJ(MIN) is 0 oC. |
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