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LT8650SPJVPBF Datasheet(PDF) 3 Page - Analog Devices |
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LT8650SPJVPBF Datasheet(HTML) 3 Page - Analog Devices |
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3 / 34 page  LT8650SP 3 Rev. B For more information www.analog.com ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Input Voltage l 2.6 3 V VIN1 Quiescent Current in Shutdown VEN/UV1 = VEN/UV2 = 0V, VSYNC = 0V l 1.7 4 10 µA µA VIN1 + VCC Quiescent Current in Sleep with Internal Compensation VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = VCC, VSYNC = 0V l 3.7 8 20 µA µA VIN1 + VCC Quiescent Current in Sleep with External Compensation VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = Float, VSYNC = 0V l 90 120 140 µA µA VIN1 + VCC Quiescent Current when Active VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = VCC, VSYNC = 3.4V l 5 7 mA VIN Current in Regulation VIN = 12V, VOUT = 3.3V, Output Load = 100µA, VVC1 = VVC2 = VCC, VSYNC = 0V VIN = 12V, VOUT = 3.3V, Output Load = 1mA, VVC1 = VVC2 = VCC, VSYNC = 0V 45 350 75 550 µA µA Feedback Reference Voltage l 0.794 0.790 0.800 0.800 0.806 0.810 V V Feedback Voltage Line Regulation VIN = 4.0V to 36V 0.004 0.02 %/V Feedback Pin Input Current VFB = 0.8V –20 20 nA Minimum On-Time ILOAD = 3A, SYNC ≥ 2V l 40 60 ns Oscillator Frequency RT = 133k RT = 35.7k RT = 15k l l l 270 0.94 1.85 300 1.0 2.00 330 1.06 2.15 kHz MHz MHz Top Power NMOS Current Limit 13 15 17 A Bottom Power NMOS Current Limit 7.5 10 13 A SW Leakage Current VIN = 42V, VSW = 0V,42V –2 2 µA EN/UV Pin Threshold EN/UV Falling l 0.7 0.74 0.78 V EN/UV Pin Hysteresis 30 mV EN/UV Pin Current VEN/UV = 2V –20 20 nA PG Upper Threshold Offset from VFB VFB Falling l 5.4 7.2 9 % PG Lower Threshold Offset from VFB VFB Rising l –9.3 –7.5 –5.7 % PG Hysteresis 0.3 % PG Leakage VPG = 12V –40 40 nA PG Pull-Down Resistance VPG = 0.1V l 600 1200 Ohm SYNC Threshold SYNC DC and Clock Low Level Voltage SYNC Clock High Level Voltage SYNC DC High Level Voltage 0.4 1.5 2.8 V V V SYNC Pin Current VSYNC = 6V 120 µA SS Source Current l 1.0 2.0 3.0 µA SS Pull-Down Resistance Fault Condition, SS = 0.1V 200 Ω The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. |
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