Datasheet LT8310 (Analog Devices) - 7

LT8310
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. SENSE Overcurrent Threshold INTVCC Voltage vs Temperature INTVCC Dropout Voltage Voltage vs Temperature and Load Current vs Load Current, Temperature
130.0 4 10.4 2.4 SHUTDOWN AT TJ ≈ 165°C 2.0 10.2 127.5 2 ERROR (%) 1.6 10.0 TA = 125°C (V) (V) 125.0 0 1.2 T V SENSE V INTVCC 9.8 A = 25°C 0.8 122.5 –2 DROPOUT VOLTAGE (V) TA = –65°C 9.6 LOAD = 1mA 0.4 LOAD = 10mA LOAD = 20mA 120.0 –4 9.4 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 0 4 8 12 16 20 24 TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C) INTVCC LOAD (mA) 8310 G10 8310 G11 8310 G12
INTVCC Current Limit INTVCC Current Limit FBX Regulation Voltage vs Input Voltage vs Temperature vs Temperature
50 36 1.632 –0.816 VIN = 12V TJ ≈ TA + 15°C 45 INSTANTANEOUS 34 FROM OFF, 1.616 –0.808 NEGATIVE V T 40 A = TC = 25°C 32 (V) (mA) (mA) FBX POSITIVE 35 1.600 –0.800 NEGATIVE FBX INTVCC INTVCC –I THERMALLY –I 30 (V) 30 SETTLED, POSITIVE V TA = 25°C 1.584 –0.792 28 25 20 26 1.568 –0.784 0 20 40 60 80 100 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 VIN (V) TA, AMBIENT TEMPERATURE (°C) TEMPERATURE (°C) 8310 G13 8310 G14 8310 G15
VIN Quiescent Current GATE Driver Transition Time SOUT Driver Transition Time vs Temperature vs Capacitance vs Capacitance
4.8 100 100 GATE, SOUT PINS VIN = 48V VIN = 48V 4.7 NOT SWITCHING 90 f 90 SW = 100kHz fSW = 100kHz 80 80 4.6 70 70 t 4.5 RISE t 60 FALL tFALL 60 (mA) 4.4 50 50 I VIN t TIME (ns) TIME (ns) RISE 4.3 40 40 30 30 4.2 20 20 4.1 10 10 4.0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 5 10 15 20 25 0 1.5 3.0 4.5 6.0 7.5 TEMPERATURE (°C) CGATE (nF) CSOUT (nF) 8310 G16 8310 G17 8310 G18 8310f For more information www.linear.com/LT8310 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Operation Applications Information Typical Applications Package Description Typical Application Related Parts