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MIC49150-1.2WR Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC49150-1.2WR Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 13 page Micrel, Inc. MIC49150 November 2006 3 M9999-111306 Absolute Maximum Ratings(1) Supply Voltage (VIN).........................................................8V Bias Supply Voltage (VBIAS)..............................................8V Enable Input Voltage (VEN)...............................................8V Power Dissipation .....................................Internally Limited ESD Rating (3).................................................................. 4kV Operating Ratings(2) Supply Voltage (VIN)......................................... 1.4V to 6.5V Bias Supply Voltage (VBIAS)................................. 3V to 6.5V Enable Input Voltage (VEN).................................. 0V to 6.5V Junction Temperature (TJ) ..................–40°C ≤ TJ ≤ +125°C Package Thermal Resistance MSOP-8 (θJA).....................................................80°C/W S-Pak (θJC) ..........................................................2°C/W Electrical Characteristics(4) TA = 25°C with VBIAS = VOUT + 2.1V; VIN = VOUT + 1V; bold values indicate –40°C< TJ < +125°C, unless noted (5). Parameter Condition Min Typ Max Units Output Voltage Accuracy At 25°C Over temperature range –1 –2 +1 +2 % % Line Regulation VIN = VOUT +1V to 6.5V –0.1 0.01 +0.1 %/V Load Regulation IL = 0mA to 1.5A 0.2 1 1.5 % % Dropout Voltage (VIN - VOUT) IL = 750mA IL = 1.5A 130 280 200 300 400 500 mV mV mV mV Dropout Voltage (VBIAS - VOUT), Note 5 IL = 750mA IL = 1.5A 1.3 1.65 1.9 2.1 V V V Ground Pin Current, Note 6 IL = 0mA IL = 1.5A 15 15 25 30 mA mA mA Ground Pin Current in Shutdown VEN ≤ 0.6V, (IBIAS + ICC), Note 7 0.5 1 2 µA µA Current thru VBIAS IL = 0mA IL = 1.5A 9 32 15 25 mA mA mA Current Limit MIC49150 1.6 2.3 3.4 4 A A Enable Input (Note 7) Enable Input Threshold (Fixed Voltage only) Regulator enable Regulator shutdown 1.6 0.6 V V Enable Pin Input Current Independent of state 0.1 1 µA Reference Reference Voltage 0.891 0.882 0.9 0.909 0.918 V V Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF. 4. Specification for packaged product only. 5. For VOUT ≤1V, VBIAS dropout specification does not apply due to a minimum 3V VBIAS input. 6. IGND = IBIAS + (IIN – IOUT). At high loads, input current on VIN will be less than the output current, due to drive current being supplied by VBIAS. 7. Fixed output voltage versions only. |
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