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MIC5231-3.3BM5 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC5231-3.3BM5 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 8 page June 2000 3 MIC5231 MIC5231 Micrel Electrical Characteristics V IN = VOUT + 1V; IL = 100µA; CL = 0.47µF; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted. Symbol Parameter Conditions Min Typ Max Units V OUT Output Voltage Accuracy variation from nominal V OUT –2+2 % –3 +3 % ∆V OUT/∆T Output Voltage Note 5 250 ppm/ °C Temperature Coefficient ∆V OUT/VOUT Line Regulation V IN = 6V to 12V 0.2 0.25 % ∆V OUT/VOUT Load Regulation I L = 10µA to 10mA, Note 6 0.2 1 % V DO Dropout Voltage, Note 7 I L = 1mA 15 mV I L = 10mA 150 300 mV I Q Ground Pin Current V IN = 6V, IL = 10mA 0.65 3 µA V IN = 12V, IL = 10mA 1.1 4 µA PSRR Ripple Rejection f = 100Hz, I L = 100µA50 dB Enable Input V ENL Enable Input Voltage V EN = logic low (regulator off) 0.4 0.18 V V EN = logic high ((regulator on) 1.4 V I ENL Enable Input Current V ENL ≤ 0.18V (regulator off) 1 nA I ENH Enable Input Current V ENH ≥ 1.4V (regulator on) 1 nA Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Note 4: The maximum allowable power dissipation at any T A (ambient temperature) is PD(max) = (TJ(max) – TA) ÷ θJA. The θJC of the MIC5231 is 130 °C/W. Mounted to a standard PC board, the θ JA is approximately 235°C/W. Note 5: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. Note 6: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Note 7: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. For outputs below 3.5V, dropout voltage is the input-to-output differential with the minimum input voltage 3.5V. Minimum input operating voltage is 3.5V. |
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