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LT1977 Datasheet(PDF) 4 Page - Linear Technology |
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LT1977 Datasheet(HTML) 4 Page - Linear Technology |
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LT1977 4 1977f TYPICAL PERFOR A CE CHARACTERISTICS FB Voltage Oscillator Frequency SHDN Threshold SHDN Pin Current Shutdown Supply Current Sleep Mode Supply Current Bias Sleep Current 1.20 1.21 1.23 1.24 1.25 1.30 1.27 1.22 1.28 1.29 1.26 TEMPERATURE (°C) –50 0 50 75 1977 G01 –25 25 100 125 TEMPERATURE (°C) –50 450 460 480 490 500 550 520 0 50 75 1977 G02 470 530 540 510 –25 25 100 125 1.35 1977 G03 1.20 1.10 1.05 1.00 1.40 1.30 1.25 0.15 TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 SHDN VOLTAGE (V) 0 0 1.5 2.5 3.5 10 20 30 40 1977 G04 50 4.5 5.5 1.0 2.0 3.0 4.0 5.0 60 TJ = 25°C 1977 G05 20 10 5 0 25 15 TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 VIN = 60V VIN = 42V VIN = 12V 1977 G06 160 80 40 0 200 120 140 60 20 180 100 VBIAS = 0V VBIAS = 5V TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 1977 G07 160 80 40 0 200 120 140 60 20 180 100 TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 PGFB Threshold 1977 G08 1.16 1.08 1.04 1.00 1.20 1.12 1.14 1.06 1.02 1.18 1.10 TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 PG Sink Current 1977 G09 200 100 50 0 250 150 TEMPERATURE (°C) –50 0 50 75 –25 25 100 125 |
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