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LT1082 Datasheet(PDF) 6 Page - Linear Integrated Systems |
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LT1082 Datasheet(HTML) 6 Page - Linear Integrated Systems |
6 / 12 page 6 LT1082 sn1082 1082fas CC HARA TERISTICS A TYPICALPERFOR CE VC Pin Characteristics FREQUENCY (Hz) 1k 100k 1M 10M 1082 G24 10k 7000 6000 5000 4000 3000 2000 1000 0 –1000 θ gm –30 0 30 60 90 120 150 180 210 Error Amplifier Transconductance TEMPERATURE ( °C) –75 –50 50 100 1082 G18 25 150 –25 0 75 125 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 gm = ∆I ∆V (VC PIN) (FB PIN) Idle Supply Current vs Temperature TEMPERATURE ( °C) 1082 G20 10 9 8 7 6 5 4 3 2 1 –75 –50 50 100 25 150 175 –25 0 75 125 VC = 0.6V VIN = 75V VIN = 3V TEMPERATURE ( °C) 1082 G19 400 350 300 250 200 150 100 50 0 –75 –50 50 100 25 150 175 –25 0 75 125 –400 –350 –300 –250 –200 –150 –100 –50 0 VOLTAGE AT VC PIN CURRENT (OUT OF VC PIN) Shutdown Thresholds Feedback Pin Clamp Voltage SWITCH VOLTAGE (V) 500 450 400 350 300 250 200 150 100 50 0 1082 G22 0 10 50 70 40 90 100 20 30 60 80 A. VIN = 3V B. VIN = 15V C. VIN = 40V D. VIN = 55V E. VIN = 75V AB DE C FEEDBACK CURRENT (mA) 0 800 700 600 500 400 300 200 0.1 1082 G21 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 TJ = –55°C TJ = 25°C TJ = 150°C Switch “Off” Characteristics Transconductance of Error Amplifier VC PIN VOLTAGE (V) 400 300 200 100 0 –100 –200 –300 –400 1082 G23 0 1.0 2.5 0.5 1.5 2.0 VFB = 0.8V (CURRENT OUT OF VC PIN) VFB = 1.5V (CURRENT INTO VC PIN) TJ = 25°C |
Similar Part No. - LT1082_1 |
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Similar Description - LT1082_1 |
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