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LT1021DCS8-5 Datasheet(PDF) 7 Page - Linear Technology |
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LT1021DCS8-5 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 16 page  7 LT1021 1021fc CC HARA TERISTICS A TYPICALPERFOR CE Shunt Characteristics LT1021-7 Shunt Mode Current Limit LT1021-7 Thermal Regulation LT1021-7 OUTPUT TO GROUND VOLTAGE (V) 0 0 0.2 0.6 0.8 1.0 2 4 59 1021 G19 0.4 13 6 7 8 1.2 INPUT PIN OPEN TJ = 125°C TJ = –55°C TJ = 25°C OUTPUT VOLTAGE (V) 0 0 10 30 40 50 4 8 10 18 LT1021 G20 20 26 12 14 16 60 INPUT PIN OPEN TIME (ms) –1.0 – 0.5 0 140 LT1021 G21 –1.5 20 60 100 0 40 80 120 LOAD REGULATION THERMAL REGULATION* ILOAD = 10mA *INDEPENDENT OF TEMPERATURE COEFFICIENT VIN = 27V ∆POWER = 200mW Load Regulation LT1021-7, LT1021-10 TEMPERATURE ( °C) –50 9.994 9.996 10.000 10.006 0 50 75 LT1021 G25 9.998 10.004 10.002 –25 25 100 125 Output Voltage Temperature Drift LT1021-10 OUTPUT CURRENT (mA) –10 1 3 5 4 2 0 –2 –4 6 1021 G26 –1 –3 –5 –6 –8 – 4 0 4 8 –2 2 10 VIN = 12V SOURCING SINKING Input Supply Current LT1021-10 INPUT VOLTAGE (V) 0 0 0.2 0.6 0.8 1.0 35 30 1.8 1021 G27 0.4 5 10152025 40 1.2 1.4 1.6 TJ = – 55°C TJ = 25°C TJ = 125°C IOUT = 0 Load Transient Response LT1021-7, CLOAD = 0 TIME ( µs) 2 LT1021 G22 1 024 13 3 0 4 ISOURCE = 2-10mA ISOURCE = 0.5mA ISINK = 0.8mA ISINK = 1.2mA ISINK = 1.4mA ISINK = 2-10mA 5mV 50mV ∆ISINK = 100µAP-P ∆ISOURCE = 100µAP-P ISOURCE = 0 NOTE VERTICAL SCALE CHANGE BETWEEN SOURCING AND SINKING Load Transient Response LT1021-7, CLOAD = 1000pF Output Noise 0.1Hz to 10Hz LT1021-7 5 µs/DIV 10 LT1021 G23 5 010 20 515 15 0 20 ISOURCE = 2-10mA ISOURCE = 0.5mA ISINK = 0.6mA ISINK = 0.8mA ISINK = 1mA ISINK = 2-10mA 5mV 20mV ∆ISINK = 100µAP-P ∆ISOURCE = 100µAP-P ISOURCE = 0 NOTE VERTICAL SCALE CHANGE BETWEEN SOURCING AND SINKING TIME (MINUTES) 03 5 LT1021 G24 12 46 5 µV (0.7ppm) FILTERING = 1 ZERO AT 0.1Hz 2 POLES AT 10Hz |
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