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MIC5357-GFYMME Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC5357-GFYMME Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 11 page Micrel, Inc. MIC5357 January 2011 4 M9999-011311 Absolute Maximum Ratings(1) Supply Voltage (VIN)........................................ −0.3V to +6V Enable Input Voltage (VEN1 , VEN2).....................−0.3V to VIN Power Dissipation ..................................Internally Limited (3) Lead Temperature (soldering, 3sec).......................... 260°C Storage Temperature (TS).........................−65°C to +150°C ESD Rating (4) ................................................................. 2kV Operating Ratings(2) Supply Voltage (VIN)..................................... +2.6V to +5.5V Enable Input Voltage (VEN1, VEN2) .......................... 0V to VIN Junction Temperature ............................... –40°C to +125°C Junction Thermal Resistance 8-Pin ePAD MSOP ( θJA) .................................64.4°C/W Electrical Characteristics(5) VIN = VEN1 = VEN2 = VOUT + 1.0V; higher of the two regulator outputs, IOUTLDO1 = IOUTLDO2 = 100µA; COUT1 = COUT2 = 2.2µF; CBYP = 0.1µF; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted. Parameter Conditions Min. Typ. Max. Units Variation from nominal VOUT -2.0 +2.0 Output Voltage Accuracy Variation from nominal VOUT; –40°C to +125°C -3.0 +3.0 % Line Regulation VIN = VOUT + 1V to 5.5V; IOUT = 100µA 0.05 0.3 0.6 %/V Load Regulation IOUT1&2 =100µA to 500mA 0.7 2.5 % Dropout Voltage (6) IOUT1,2 = 100µA IOUT1,2 = 50mA IOUT1,2 = 500mA 0.1 12 130 50 300 mV Ground Current VEN1 ≥ 1.2V; VEN2 ≤ 0.2V; IOUT = 0mA to 500mA VEN1 ≤ 0.2V; VEN2 ≥ 1.2V; IOUT2 = 0mA to 500mA VEN1 = VEN2 ≥ 1.2V; IOUT1 = 500mA, IOUT2 = 500mA 95 95 160 175 175 240 µA Ground Current in Shutdown VEN1 = VEN2 = 0V 0.01 2 µA Ripple Rejection f = 1kHz; COUT = 2.2µF; CBYP = 0.1µF f = 20kHz; COUT = 2.2µF; CBYP = 0.1µF 70 45 dB VOUT1 = 0V 550 950 1300 Current Limit VOUT2 = 0V 550 950 1300 mA Output Voltage Noise COUT = 2.2µF; CBYP = 0.1µF; 10Hz to 100kHz 51 µVRMS Enable Inputs (EN1 / EN2) Logic Low 0.2 Enable Input Voltage Logic High 1.2 V VIL ≤ 0.2V 0.01 Enable Input Current VIH ≥ 1.2V 0.01 µA Turn-on Time (See Timing Diagram) Turn-on Time (LDO1 and 2) COUT = 2.2µF; CBYP = 0.1µF 38 100 µs Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 4. Devices are ESD sensitive. Handling precautions recommended. Human body model 1.5kΩ in series with 100pF. 5. Specification for packaged product only. 6. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal VOUT. For outputs below 2.6V, the dropout voltage is the input-to-output differential with the minimum input voltage 2.6V. |
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