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LT3990IDDBPBF Datasheet(PDF) 4 Page - Linear Technology |
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LT3990IDDBPBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page LT3990 4 3990p TYPICAL PERFORMANCE CHARACTERISTICS No-Load Supply Current No-Load Supply Current Maximum Load Current Maximum Load Current Maximum Load Current Load Regulation Efficiency, VOUT = 3.3V Efficiency, VOUT = 5V VFB vs Temperature TA = 25°C, unless otherwise noted. LOAD CURRENT (mA) 50 70 90 40 60 80 0.01 1 10 100 3990 G01 30 0.1 VIN = 12V FRONT PAGE APPLICATION VOUT = 3.3V R1 = 1M R2 = 576k VIN = 36V VIN = 24V LOAD CURRENT (mA) 50 70 90 40 60 80 0.01 1 10 100 3990 G02 30 0.1 VIN = 12V FRONT PAGE APPLICATION VIN = 36V VIN = 24V TEMPERATURE (°C) –50 1.210 1.215 1.220 25 75 150 3990 G03 1.205 1.200 1.195 –25 0 50 100 125 INPUT VOLTAGE (V) 1.0 1.5 2.0 2.5 3.0 10 20 30 40 3990 G04 3.5 4.0 515 25 35 FRONT PAGE APPLICATION VOUT = 3.3V R1 = 1M R2 = 576k TEMPERATURE (°C) –50 9 12 15 25 75 150 3990 G05 6 3 0 –25 0 50 100 125 FRONT PAGE APPLICATION VIN = 12V VOUT = 3.3V R1 = 1M R2 = 576k INPUT VOLTAGE (V) 5 350 400 450 500 550 10 15 20 25 3990 G06 30 35 40 FRONT PAGE APPLICATION VOUT = 3.3V TYPICAL MINIMUM INPUT VOLTAGE (V) 5 350 400 450 500 600 550 10 15 20 25 3990 G07 30 35 40 FRONT PAGE APPLICATION VOUT = 5V TYPICAL MINIMUM TEMPERATURE (°C) –50 300 400 500 600 25 75 3990 G08 200 100 0 –25 0 50 100 125 FRONT PAGE APPLICATION VIN = 12V VOUT = 5V LIMITED BY MAXIMUM JUNCTION TEMPERATURE; JA = 76°C/W LIMITED BY CURRENT LIMIT LOAD CURRENT (mA) 0 0.15 150 3990 G09 0 –0.10 50 100 200 –0.15 –0.20 0.20 0.10 0.05 –0.05 250 300 350 FRONT PAGE APPLICATION REFERENCED FROM VOUT AT 100mA LOAD |
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