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LT1129CST-5 Datasheet(PDF) 6 Page - Linear Technology |
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LT1129CST-5 Datasheet(HTML) 6 Page - Linear Technology |
6 / 12 page 6 LT1129/LT1129-3.3/LT1129-5 CC HARA TERISTICS A TYPICALPERFOR CE FREQUENCY (Hz) 100 90 80 70 60 50 40 30 20 10 0 10 1k 10k 1M 1129 G01 100 100k IOUT = 500mA VIN = 6V + 50mVRMS RIPPLE COUT = 47µF SOLID TANTALUM COUT = 3.3µF SOLID TANTALUM Shutdown Pin Current SHUTDOWN PIN VOLTAGE (V) 0 0 5 15 20 25 2 4 59 1129 G24 10 13 6 7 8 Shutdown Pin Input Current Adjust Pin Bias Current Current Limit TEMPERATURE (°C) –50 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 50 75 1129 G08 –25 25 100 125 VIN = 7V VOUT = 0V Current Limit INPUT VOLTAGE (V) 0 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 2 4 5 1129 G07 1 3 6 7 VOUT = 0V Reverse Output Current Reverse Output Current Ripple Rejection Ripple Rejection TEMPERATURE (°C) –50 70 68 66 64 62 60 58 56 0 50 75 1129 G03 –25 25 100 125 (VIN – VOUT)AVG = 1V VRIPPLE = 0.5VP-P IL = 0.7A TEMPERATURE (°C) –50 30 25 20 15 10 5 0 0 50 75 1129 G29 –25 25 100 125 VIN = 0V VOUT = VSENSE = 5V (LT1129-5) VOUT = VSENSE = 3.3V (LT1129-3.3) VOUT = VADJ = 3.75V (LT1129) TEMPERATURE (°C) –50 400 350 300 250 200 150 100 50 0 0 50 75 1129 G28 –25 25 100 125 VADJ = VOUT = 3.75V OUTPUT VOLTAGE (V) 0 100 90 80 70 60 50 40 30 20 10 0 8 1129 G30 2 4 6 10 13 57 9 TJ = 25°C, VIN = 0V VOUT = VSENSE (LT1129-3.3/LT1129-5) VOUT = VADJ (LT1129) CURRENT FLOWS INTO DEVICE LT1129-3.3 LT1129 LT1129-5 TEMPERATURE (°C) –50 10 9 8 7 6 5 4 3 2 1 0 0 50 75 1129 G25 –25 25 100 125 VSHDN = 0V |
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