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LTYB 数据表(PDF) 3 Page - Linear Technology |
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LTYB 数据表(HTML) 3 Page - Linear Technology |
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3 / 12 page ![]() LTC1983-3/LTC1983-5 3 sn1983 1983fs Output Impedance vs Input Voltage Output Impedance vs IOUT (LTC1983-5) Efficiency vs IOUT (LTC1983-5) TYPICAL PERFOR A CE CHARACTERISTICS Efficiency vs IOUT IOUT (mA) 0 40 80 100 90 80 70 60 50 40 30 20 10 0 1983 G01 20 60 VIN = 2.3V VIN = 3.3V VIN = 5V TA = 25°C VIN (V) 2.35 4.35 12.5 12.0 11.5 11.0 10.5 10.0 9.5 9.0 8.5 8.0 1983 TA02 3.35 5.35 ROUT IOUT = 25mA TA = 25°C IOUT (mA) 0 40 80 100 30 25 20 15 10 5 1983 G03 20 60 VIN = 2.3V VIN = 3.3V VIN = 5V TA = 25°C IOUT (mA) 0.01 100 75 50 25 0 10 1983 GO4 0.1 1 100 VIN = 5V VIN = 3.3V VOUT = –3V TA = 25°C OUTPUT CURRENT (mA) 0 –2.1 –2.3 –2.5 –2.7 –2.9 –3.1 –3.3 –3.5 60 100 1983 G05 20 40 80 120 120 °C –40 °C, 0°C, 40°C 80 °C OUTPUT CURRENT (mA) 0 2.7 2.8 2.9 3.0 3.1 3.3 20 40 60 80 1983 G06 100 120 3.2 –40 °C 0°C 40 °C 80 °C VIN = 5V –3VOUT vs IOUT Over Temperature –3VOUT vs IOUT Over Temperature (VIN = 5V) Open-Loop Current vs Temperature (LTC1983-5) TEMPERATURE ( °C) –40 4.9 4.7 4.5 4.3 4.1 3.9 3.7 3.5 1983 G07 10 60 110 VIN = 5V Burst Mode Current vs Temperature (LTC1983-3) TEMPERATURE ( °C) –40 25 30 35 1983 G08 20 15 10 10 60 40 45 50 110 VIN = 5V Open-Loop Input Current vs VIN (LTC1983-5) VIN (V) 2.3 1.5 2.0 2.5 3.0 3.5 4.5 2.8 3.3 3.3 4.3 1983 G09 4.8 4.0 TA = 25°C |
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