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LT3757 Datasheet(PDF) 3 Page - Analog Devices |
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LT3757 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 28 page  LT8392 3 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, VEN/UVLO = 1.5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Supply VIN Operating Voltage Range EXTVCC = 0V EXTVCC = 8V l l 4 3 60 60 V V VIN Shutdown Current VEN/UVLO = 0.3V 1 2 µA VIN Active Current (Not Switching) VEN/UVLO = 1.5V, EXTVCC = 0V VEN/UVLO = 1.5V, EXTVCC = 8V 2 250 3 500 mA µA EXTVCC Voltage Range l 0 40 V EXTVCC Shutdown Current VEN/UVLO = 0.3V, EXTVCC = 8V 0.1 0.5 µA EXTVCC Active Current (Not Switching) VEN/UVLO = 1.5V, EXTVCC = 8V 1.8 mA VOUT Voltage Range l 0 60 V VOUT Quiescent Current VEN/UVLO = 0.3V, VOUT = 12V VEN/UVLO = 1.5V, VOUT = 12V 10 0.1 20 0.5 30 µA µA Linear Regulators INTVCC Regulation Voltage IINTVCC = 20mA 4.8 5.0 5.2 V INTVCC Current Limit VINTVCC = 4.5V 130 190 250 mA INTVCC Undervoltage Lockout Threshold Falling 3.34 3.54 3.74 V INTVCC Undervoltage Lockout Hysteresis 0.22 V VREF Regulation Voltage IVREF = 100µA l 1.96 2.00 2.04 V VREF Current Limit VREF = 1.8V 2 2.5 3.2 mA Control Inputs EN/UVLO Shutdown Threshold l 0.3 0.6 1.0 V EN/UVLO Enable Threshold Falling l 1.196 1.220 1.244 V EN/UVLO Enable Hysteresis 13 mV EN/UVLO Hysteresis Current VEN/UVLO = 1.1V VEN/UVLO = 1.3V 2.1 –0.1 2.5 0 2.9 0.1 µA µA Error Amplifier Full-Scale Current Regulation V(ISP-ISN) VCTRL = 2V, VISP = 12V VCTRL = 2V, VISP = 0V l l 48 48 50 50 52 52 mV mV 1/10th Current Regulation V(ISP-ISN) VCTRL = 0.35V, VISP = 12V VCTRL = 0.35V, VISP = 0V l l 3 3 5 5 7 7 mV mV ISMON Monitor Output VISMON V(ISP–ISN) = 50mV, VISP = 12V/0V V(ISP–ISN) = 5mV, VISP = 12V/0V V(ISP–ISN)) = 0mV, VISP = 12V/0V l l l 1.15 0.30 0.20 1.25 0.35 0.25 1.35 0.40 0.30 V V V ISP/ISN Input Common Mode Range l 0 60 V ISP Input Bias Current VISP = VISN = 12V VISP = VISN = 0V VEN/UVLO = 0V, VISP = VISN = 12V or 0V 20 –10 0 µA µA µA ISN Input Bias Current VISP = VISN = 12V VISP = VISN = 0V VEN/UVLO = 0V, VISP = VISN = 12V or 0V 20 –10 0 µA µA µA ISP/ISN Current Regulation Amplifier gm 8000 µs FB Regulation Voltage VC = 1.2V l 0.985 1.00 1.015 V FB Line Regulation VIN = 4V to 60V 0.2 0.5 % |
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