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SGM3140B データシート(PDF) 4 Page - SG Micro Corp |
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SGM3140B データシート(HTML) 4 Page - SG Micro Corp |
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4 / 14 page  500mA Buck/Boost Charge Pump LED Driver 4 SGM3140B SG Micro Corp www.sg-micro.com ELECTRICAL CHARACTERISTICS (Full = -40 ℃ to +85℃, VIN = 3.6V, CIN = 4.7μF, COUT = CF = 1μF, VSHDN = VIN, typical values at +25℃, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS TEMP MIN TYP MAX UNITS Input Supply Voltage VIN Full 2.7 5.5 V VIN = 2.7V to 5.5V, FLASH = 0V, ILOAD = 100μA Full 0.3 3 Quiescent Current IQ FLASH = VIN, 2× Mode 2 mA Shutdown Current ISHDN VEN = 0V, VIN = 5.5V 1 μA Oscillator Frequency 2.2 MHz Charge Pump Equivalent Resistance (2× mode) 5 Ω Charge Pump Equivalent Resistance (1× mode) 0.6 0.8 Ω FLASH = VIN, RSET = 86.6kΩ Full 131 150 165 FB Reference Voltage VFB FLASH = GND Full 38 47 54 mV FB Pin Current VFB = 0.3V 1 μA EN, FLASH Logic Low Full 0.4 V EN, FLASH Logic High Full 1.3 V EN, FLASH Pin Current Full 1 μA VOUT Turn-On Time VIN = 3.6V, FB within 90% of regulation 250 μs Thermal Shutdown Temperature 145 ℃ |
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