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ML4771 Scheda tecnica(PDF) 3 Page - Micro Linear Corporation |
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ML4771 Scheda tecnica(HTML) 3 Page - Micro Linear Corporation |
3 / 8 page 3 ML4771 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. VOUT ........................................................................... 7V Voltage on any other pin ..... GND – 0.3V to VOUT + 0.3V Peak Switch Current (IPEAK) .......................................... 2A Average Switch Current (IAVG) ..................................... 1A Junction Temperature .............................................. 150ºC Storage Temperature Range...................... –65ºC to 150ºC Lead Temperature (Soldering 10 sec) ....................... 260ºC Thermal Resistance ( qJA) .................................... 160ºC/W OPERATING CONDITIONS Temperature Range ML4771CS ................................................. 0ºC to 70ºC ML4771ES ............................................. –20ºC to 70ºC VIN Operating Range ML4771CS .................................... 1.8V to VOUT – 0.2V ML4771ES .................................... 2.0V to VOUT – 0.2V VOUT Operating Range ................................. 3.0V to 5.5V ELECTRICAL CHARACTERISTICS Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SUPPLY IIN VIN Current VIN = VOUT – 0.2V 2 5 µA IOUT(Q) VOUT Quiescent Current 25 35 µA IL(Q) VL Quiescent Current 1µA PFM REGULATOR IL Peak Current 1.2 1.4 1.7 A VSENSE SENSE Comparator Threshold Voltage 2.52 2.57 2.62 V VOUT Output Voltage See Figure 1, IOUT = 0 4.95 5.05 5.15 V Load Regulation See Figure 1, 4.85 4.95 5.15 V VIN = 2.4V, IOUT = 220mA Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions. |
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