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LT8705MPFE#PBF 数据表(PDF) 5 Page - Linear Technology |
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LT8705MPFE#PBF 数据表(HTML) 5 Page - Linear Technology |
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5 / 44 page  LT8705 5 8705fe For more information www.linear.com/LT8705 PARAMETER CONDITIONS MIN TYP MAX UNITS CSPIN, CSNIN Common Mode Operating Voltage Range l 1.5 80 V CSPIN, CSNIN Differential Operating Voltage Range l –100 100 mV VCSPIN-CSNIN to IMON_IN Amplifier A7 gm VCSPIN – VCSNIN = 50mV, VCSPIN = 5.025V (All Grades) (LT8705E, LT8705I) (LT8705H, LT8705MP) l l 0.95 0.94 0.93 1 1 1 1.05 1.06 1.07 mmho mmho mmho IMON_IN Maximum Output Current l 100 µA IMON_IN Overvoltage Threshold l 1.55 1.61 1.67 V IMON_IN Error Amp EA2 gm 185 µmho IMON_IN Error Amp EA2 Voltage Gain 130 V/V CSPOUT, CSNOUT Bias Current BOOST Capacitor Charge Control Block Not Active ICSPOUT + ICSNOUT, VCSPOUT = VCSNOUT = 12V ICSPOUT + ICSNOUT, VCSPOUT = VCSNOUT = 1.5V 45 4 µA µA CSPOUT, CSNOUT Common Mode Operating Voltage Range l 0 80 V CSPOUT, CSNOUT Differential Mode Operating Voltage Range l –100 100 mV VCSPOUT-CSNOUT to IMON_OUT Amplifier A6 gm VCSPOUT – VCSNOUT = 50mV, VCSPOUT = 5.025V (All Grades) (LT8705E, LT8705I) (LT8705H, LT8705MP) VCSPOUT – VCSNOUT = 5mV, VCSPOUT = 5.0025V (All Grades) (LT8705E, LT8705I) (LT8705H, LT8705MP) l l l l 0.95 0.94 0.93 0.65 0.55 0.5 1 1 1 1 1 1 1.05 1.085 1.095 1.35 1.6 1.65 mmho mmho mmho mmho mmho mmho IMON_OUT Maximum Output Current l 100 µA IMON_OUT Overvoltage Threshold l 1.55 1.61 1.67 V IMON_OUT Error Amp EA1 gm 185 µmho IMON_OUT Error Amp EA1 Voltage Gain 130 V/V SRVO_IIN Activation Threshold (Note 5) (VIMON_IN Rising) – (Regulation Voltage for IMON_IN), VFBIN = 3V, VFBOUT = 0V, VIMON_OUT = 0V –60 –49 –37 mV SRVO_IIN Activation Threshold Hysteresis (Note 5) VFBIN = 3V, VFBOUT = 0V, VIMON_OUT = 0V 22 mV SRVO_IOUT Activation Threshold (Note 5) (VIMON_OUT Rising) – (Regulation Voltage for IMON_ OUT), VFBIN = 3V, VFBOUT = 0V, VIMON_IN = 0V –62 –51 –39 mV SRVO_IOUT Activation Threshold Hysteresis (Note 5) VFBIN = 3V, VFBOUT = 0V, VIMON_IN = 0V 22 mV SRVO_IIN, SRVO_IOUT Low Voltage (Note 5) I = 100μA l 110 330 mV SRVO_IIN, SRVO_IOUT Leakage Current (Note 5) VSRVO_IIN = VSRVO_IOUT = 2.5V l 0 1 µA NMOS Gate Drivers TG1, TG2 Rise Time CLOAD = 3300pF (Note 4) 20 ns TG1, TG2 Fall Time CLOAD = 3300pF (Note 4) 20 ns BG1, BG2 Rise Time CLOAD = 3300pF (Note 4) 20 ns BG1, BG2 Fall Time CLOAD = 3300pF (Note 4) 20 ns TG1 Off to BG1 On Delay CLOAD = 3300pF Each Driver 100 ns BG1 Off to TG1 On Delay CLOAD = 3300pF Each Driver 80 ns TG2 Off to BG2 On Delay CLOAD = 3300pF Each Driver 100 ns elecTrical characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, SHDN = 3V unless otherwise noted. (Note 2) |
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