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LT3759 Datasheet(PDF) 5 Page - Linear Technology |
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LT3759 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 44 page  LT8710 5 8710f For more information www.linear.com/LT8710 PARAMETER CONDITIONS MIN TYP MAX UNITS Gate Drivers, BG and TG BG Rise Time CBG = 3300pF (Note 3) 24 ns BG Fall Time CBG = 3300pF (Note 3) 21 ns TG Rise Time CTG = 3300pF (Note 3) 15 ns TG Fall Time CTG = 3300pF (Note 3) 16 ns BG and TG Non-Overlap Time TG Rising to BG Rising, CBG = CTG = 3300pF (Note 3) BG Falling to TG Falling, CBG = CTG = 3300pF (Note 3) 80 45 140 90 220 150 ns ns BG Minimum On-Time CBG = CTG = 3300pF 150 420 ns BG Minimum Off-Time CBG = CTG = 3300pF 100 480 ns TG Minimum On-Time CBG = CTG = 3300pF 0 150 ns TG Minimum Off-Time CBG = CTG = 3300pF 290 770 ns C/10 and Power Good Indicators, FLAG FLAG C/10 Indicator Threshold VISP – VISN Falling, VFBX = 1.215V VISP – VISN Rising, VFBX = 1.215V l l 1 4 5 10 16 23 mV mV FLAG C/10 Indicator Hysteresis 5 mV FLAG Power Good Threshold for Positive FBX Voltage VFBX Rising, VISP – VISN = 0V VFBX Falling, VISP – VISN = 0V l l 1.127 1.062 1.153 1.095 1.184 1.126 V V FLAG Power Good Threshold for Negative FBX Voltage VFBX Falling, VISP – VISN = 0V VFBX Rising, VISP – VISN = 0V l l 46 103 68.5 126 90 152 mV mV FLAG Power Good Hysteresis for Positive or Negative FBX Voltage 58 mV FLAG Anti-Glitch Delay from C/10 or Power Good Threshold Trip to FLAG Toggle 100 µs FLAG Output Voltage Low 100µA into FLAG Pin l 9 50 mV FLAG Leakage Current VFLAG = 7V, FLAG Off 0.01 1 µA Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LT8710E is guaranteed to meet performance specifications from 0°C to 125°C junction temperature. Specifications over the –40°C to 125°C operating temperature range are assured by design, characterization and correlation with statistical process controls. The LT8710I is guaranteed over the full –40°C to 125°C operating junction temperature range. Note 3: Rise and fall times are measured using 10% and 90% levels. Delay times are measured using 50% levels. Note 4: This IC includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125°C when overtemperature protection is active. Continuous operation over the specified maximum operating junction temperature may impair device reliability. Note 5: Do not apply a positive or negative voltage or current source to the BG, TG, and INTVEE pins, otherwise permanent damage may occur. elecTrical characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications for each channel are at TA = 25°C. VIN = 12V, VEN/FBIN = 12V, VBIAS = 12V, unless otherwise noted (Note 2). |
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