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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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LT8584 Folha de dados(PDF) 3 Page - Linear Technology |
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LT8584 Folha de dados(HTML) 3 Page - Linear Technology |
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3 / 36 page  LT8584 3 8584fb For more information www.linear.com/LT8584 elecTrical characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 4.2V, DIN = GND unless otherwise noted. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Recommended Voltage Range Switching Nonswitching l l 2.5 2.45 5.3 5.3 V VIN Quiescent Current Switching Nonswitching In Shutdown, DIN = OUT In Shutdown, DIN = OUT l l 45 2.5 1 3 90 1 mA mA nA µA VIN UVLO l 2.1 2.45 V Switch DC Current Limit l 6 6.3 6.8 A Current Limit Blanking Time 450 ns Switch VCESAT ISW = 4A 200 mV Switch Leakage Current VSW = 4.2V VSW = 4.2V l 5 70 4 nA µA Switch Maximum On Time l 30 50 70 µs Switch Short Detection Timeout Note 5 l 0.5 0.85 1.2 µs Switch Clamp Voltage ISW = 2mA ISW = 6A 42 45 50 48 V V Switch Clamp Blanking Time Note 6 80 200 360 ns DCM Comparator Trip Voltage VSW – VVIN l 40 95 150 mV DCM Comparator Propagation Delay 200mV Overdrive l 100 180 ns DCM Blanking Time 230 ns MODE Threshold 1.7 V DIN Shutdown Threshold High → Low, Referred to GND l 1 1.2 1.4 V DIN Shutdown Threshold Hysteresis 100 mV DIN Data Threshold High → Low, VTH = VOUT – VDIN, MODE = 0V l 0.3 0.7 0.9 V DIN Data Threshold Hysteresis VTH = VOUT – VDIN, MODE = 0V l 20 80 160 mV DIN Pin Current VDIN = 0V VDIN = –1V l –6 –18 –3 –14 –1 –6 µA µA DCHRG Threshold MODE Tied to VIN l 0.5 0.8 1.1 V DCHRG Hysteresis MODE Tied to VIN 100 mV DCHRG Pull-down Current Pin Voltage = 0.4V l 220 300 µA DCHRG Pull-up Current Pin Voltage = VIN – 0.4V l 220 300 µA RMTR Pin High Voltage RRTMR = 50kΩ 1.22 V RMTR Pin Low Voltage RRTMR = 50kΩ 0 V VCELL Switch RDSON 55 Ω VSNS Dynamic Input Range Gain Error ≤ 8% l –30 70 mV VSNS Average Input Range Gain Error ≤ 3% l 15 45 mV VSNS Amplifier Input Referred Offset VCELL – VSNS = 40mV l –1.1 1.1 mV VSNS Amplifier Gain Over VSNS Average Input Range l 18.7 19 19.3 V/V Handshake Voltage Error Measured ± with Respect to: VMODE1 = 0.2V VMODE2 = 0.4V VMODE3 = 0.6V VMODE4 = 0.8V VSW,ERR = 1.2V VFAULT = 1.4V VFAULT = 1.4V l l l l l l –13 –14 –18 –22 –31 –35 –28 13 14 18 22 31 35 28 mV mV mV mV mV mV mV |
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