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LT1121ACS8 Datasheet(PDF) 6 Page - Linear Technology |
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LT1121ACS8 Datasheet(HTML) 6 Page - Linear Technology |
6 / 16 page 6 LT1121/LT1121-3.3/LT1121-5 1121fe Ground Pin Current OUTPUT CURRENT (mA) 14 12 10 8 6 4 2 0 40 80 120 1121 G29 20 60 140 160 0 100 TJ = 125°C TJ = –55°C TJ = 25°C VIN = 3.3V (LT1121-3.3) VIN = 5V (LT1121-5) VIN = 3.75V (LT1121) DEVICE IS OPERATING IN DROPOUT Shutdown Pin Threshold (On-to-Off) Shutdown Pin Threshold (Off-to-On) TEMPERATURE ( °C) –50 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 50 75 1121 G16 –25 25 100 125 ILOAD = 1mA TEMPERATURE ( °C) –50 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 50 75 1121 G17 –25 25 100 125 ILOAD = 1mA ILOAD = 150mA TYPICAL PERFOR A CE CHARACTERISTICS Reverse Output Current Shutdown Pin Current TEMPERATURE ( °C) –50 30 25 20 15 10 5 0 0 50 75 1121 G13 –25 25 100 125 VIN = 0V VOUT = 5V (LT1121-5) VOUT = 3.3V (LT1121-3.3) VOUT = 3.8V (LT1121) TEMPERATURE ( °C) –50 400 350 300 250 200 150 100 50 0 0 50 75 1121 G25 –25 25 100 125 TEMPERATURE ( °C) –50 400 350 300 250 200 150 100 50 0 0 50 75 1121 G19 –25 25 100 125 VIN = 7V VOUT = 0V LT1121 Adjust Pin Bias Current Current Limit SHUTDOWN PIN VOLTAGE (V) 0 0 5 15 20 25 2 4 59 1121 G28 10 13 6 7 8 Shutdown Pin Input Current Current Limit INPUT VOLTAGE (V) 0 400 350 300 250 200 150 100 50 0 2 4 5 1121 G20 1 3 6 7 VOUT = 0V TEMPERATURE ( °C) –50 10 9 8 7 6 5 4 3 2 1 0 0 50 75 1121 G15 –25 25 100 125 VSHDN = 0V |
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