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MIC5211-2.8YM6 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC5211-2.8YM6 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 9 page May 2006 3 MIC5211 MIC5211 Micrel, Inc. Absolute Maximum Ratings (Note 1) Supply Input Voltage (VIN)..............................–20V to +20V Enable Input Voltage (VEN) ............................–20V to +20V Power Dissipation (PD)............................. Internally Limited Storage Temperature Range .................... –60°C to +150°C Lead Temperature (soldering, 5 sec.)........................ 260°C ESD, (Note 3)...................................................................... Electrical Characteristics VIN = VOUT + 1V; IL = 1mA; CL = 0.1µF, and VEN ≥ 2.0V; TJ = 25°C, bold values indicate –40°C to +125°C; for one-half of dual MIC5211; unless noted. Symbol Parameter Conditions Min Typical Max Units VO Output Voltage variation from nominal VOUT –3 3 % Accuracy –4 4 % ΔVO/ΔT Output Voltage Note 5 50 200 ppm/°C Temperature Coeffcient ΔVO/VO Line Regulation VIN = VOUT +1V to 16V 0.008 0.3 % 0.5 % ΔVO/VO Load Regulation IL = 0.1mA to 50mA, Note 6 0.08 0.3 % 0.5 % VIN – VO Dropout Voltage, Note 7 IL = 100µA 20 mV IL = 20mA 200 450 mV IL = 50mA 250 500 mV IQ Quiescent Current VEN ≤ 0.4V (shutdown) 0.01 10 µA IGND Ground Pin Current VEN ≥ 2.0V, IL = 100µA (active) 90 µA Note 8 IL = 20mA (active) 225 450 µA IL = 50mA (active) 750 1200 µA ILIMIT Current Limit VOUT = 0V 140 250 mA ΔVO/ΔPD Thermal Regulation Note 9 0.05 %/W Enable Input Enable Input Voltage Level VIL logic low (off) 0.6 V VIH logic high (on) 2.0 V IIL Enable Input Current VIL ≤ 0.6V 0.01 1 µA IIH VIH ≥ 2.0V 3 50 µA Note 1: Exceeding the absolute maximum rating may damage the device. Note 2: The device is not guareented to function outside itsperating rating. Note 3: Devices are ESD sensitive. Handling precautions recommended. Note 4: The maximum allowable power dissipation at any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allow- able power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The θJA is 220°C/W for the SOT-23-6 mounted on a printed circuit board. Note 5: Output voltage temperature coeffiecient 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. Parts are tested for load regulation in the load range from 0.1mA to 50mA. Change in output voltage due to heating effects are covered by thermal regulation specification. 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 output voltages below 2.5V, dropout voltage is the input-to-output voltage differential with the minimum voltage being 2.5V. Minimum input opertating voltage is 2.5V. Note 8: Ground pin current is the quiescent current per regulator plus pass transistor base current. The total current drawn from the supply is the sum of the load current plus the ground pin current. Note 9: Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 50mA load pulse at VIN = 16V for t = 10ms. Operating Ratings (Note 2) Supply Input Voltage (VIN).................................2.5V to 16V Enable Input Voltage (VEN) ..................................0V to 16V Junction Temperature (TJ) (except 1.8V).. –40°C to +125°C 1.8V only................................................... 0°C to +125°C 6-lead SOT-23-6 (θJA) ............................................. Note 4 |
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