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MIC29312BT Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC29312BT Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 12 page  November 2006 3 MIC29310/29312 MIC29310/29312 Micrel Electrical Characteristics(Note 11) TJ = 25°C, bold values indicate 0°C ≤ TJ ≤ +125°C; unless noted Parameter Condition Min Typ Max Units Output Voltage 10mA ≤ IO ≤ IFL, (VOUT + 1V) ≤ VIN ≤ 8V, Note 4 –2 2 % Line Regulation IO = 10mA, (VOUT + 1V) ≤ VIN ≤ 16V 0.06 0.5 % Load Regulation VIN = VOUT + 1V, 10mA ≤ IOUT ≤ IFULL LOAD, Notes 4, 8 0.2 1 % ΔVO / ΔT Output Voltage Temperature Coefficient, Note 8 20 100 ppm/°C Dropout Voltage ΔVOUT = –1%, Note 5 IO = 100mA 80 200 mV IO = 750mA 220 mV IO = 1.5A 330 mV IO = 3A 600 1000 mV Ground Current IO = 750mA, VIN = VOUT + 1V 5 20 mA IO = 1.5A 15 mA IO = 3A 60 150 mA IGNDDO Ground Pin VIN = 0.5V less than specified VOUT. IOUT = 10mA 2 3 mA Current at Dropout Current Limit VOUT = 0V, Note 6 3.0 3.8 A Minimum Load Current 7 10 mA en, Output Noise Voltage CL = 10µF 400 µVRMS (10Hz to 100kHz) IL = 100mA CL = 33µF 260 µVRMS Reference (MIC29312 only) Reference Voltage 10mA ≤ IO ≤ IFL, VOUT + 1V ≤ VIN ≤ 8V, Note 4 1.215 1.265 VMAX Adjust Pin Bias Current 40 80 nA 120 nA Reference Voltage Note 9 20 ppm/°C Temperature Coefficient Adjust Pin Bias Current 0.1 nA/°C Temperature Coefficient Enable Input (MIC29312 only) Input Logic Voltage low (off) 0.8 V high (on) 2.4 V Enable Pin Input Current VEN = VIN 15 30 µA 75 µA VEN = 0.8V – 2 µA 4 µA Regulator Output Note 10 10 µA Current in Shutdown 20 µA 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: Full Load current is defined as 3A for the MIC29310/29312. For testing, VOUT is programmed to 5V. Note 5: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VOUT + 1V applied to VIN. Note 6: For this test, VIN is the larger of 8V or VOUT + 3V. Note 7: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current plus the ground pin current. Note 8: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. Note 9: VREF ≤ VOUT ≤ (VIN – 1V), 2.4V ≤ VIN ≤ 16V, 10mA < IL ≤ IFL, TJ ≤ TJ(max). Note 10: VEN ≤ 0.8V and VIN ≤ 8V, VOUT = 0. Note 11: Specification for packaged product only. |
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