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LT3083EQ Datasheet(PDF) 7 Page - Linear Technology |
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LT3083EQ Datasheet(HTML) 7 Page - Linear Technology |
7 / 28 page LT3083 7 3083f TYPICAL PERFORMANCE CHARACTERISTICS VCONTROL Pin Current VCONTROL Pin Current Residual Output Voltage with Less Than Minimum Load Line Transient Response Turn-On Response Turn-On Response Load Transient Response Load Transient Response TA = 25°C, unless otherwise noted. 0 80 200 3083 G17 0 50 –50 100 150 0 –100 1.0 0.5 60 20 40 140 160 100 120 180 TIME (μs) VIN = 2V VCONTROL = 3V VOUT = 1V CSET = 0.1μF ΔILOAD = 100mA TO 1A COUT = 10μF CERAMIC COUT = 22μF CERAMIC 0 80 200 3083 G19 –10 –20 5 4 6 7 3 10 0 60 20 40 140 160 100 120 180 TIME (μs) VOUT = 1V ILOAD = 10mA COUT = 10μF CERAMIC CSET = 0.1μF 0 20 50 3083 G20 0 4 1 5 6 2 3 0 1.0 0.5 –0.5 15 510 35 40 25 30 45 TIME (μs) RSET = 20k CSET = 0 RLOAD = 0.33Ω COUT = 10μF CERAMIC 0 8 20 3083 G21 0 1 4 2 3 0 1.0 0.5 –0.5 6 2 4 14 16 10 12 18 TIME (ms) RSET = 20k CSET = 0.1μF RLOAD = 1Ω COUT = 10μF CERAMIC 0 2 18 3083 G22 0 10 80 70 60 50 40 30 20 4 6 8 10 12 14 16 IN-TO-OUT DIFFERENTIAL (VIN – VOUT) (V) ILOAD = 3A ILOAD = 1.5A DEVICE IN CURRENT LIMIT 0 80 200 3083 G18 0 50 –50 150 250 –150 4 2 60 20 40 140 160 100 120 180 TIME (μs) ΔILOAD = 500mA TO 3A VIN = 2V VCONTROL = 3V VOUT = 1V CSET = 0.1μF COUT = 22μF CERAMIC 0 0.5 3 3083 G23 0 10 70 60 50 40 30 20 1 1.5 2 2.5 LOAD CURRENT (A) TJ = –50°C TJ = 125°C TJ = 25°C VCONTROL – VOUT = 2V VIN – VOUT = 1V 0 2000 3083 G24 0 100 600 500 400 300 200 500 1000 1500 RSET (Ω) RTEST VOUT SET PIN = 0V ADD 1N4148 FOR RTEST < 1k VIN = 20V VIN = 5V VIN = 10V VIN |
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