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LT1389 数据表(PDF) 7 Page - Linear Technology |
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LT1389 数据表(HTML) 7 Page - Linear Technology |
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7 / 12 page ![]() 7 LT1389 Reverse Characteristics Reverse Voltage Change vs Current Dynamic Impedance vs Frequency Forward Characteristics Reverse Dynamic Impedance 200ms/DIV IR = 1.5µA COUT = 0.1µF Response Time 2ms/DIV 1389-4 G08 Response Time Temperature Drift 4V IR = 1.5µA COUT = 0µF 4V 0V 10V 0V 1389-4 G09 10V 0V 0V 4.096V TYPICAL PERFOR A CE CHARACTERISTICS REVERSE VOLTAGE (V) 0 0 200 600 800 1000 1.0 2.0 2.5 4.5 1389-4 G01 400 0.5 1.5 3.0 3.5 4.0 TA = –40°C TO 85°C TEMPERATURE ( °C) –40 6 20 1389-4 G02 0 –4 –20 0 40 –6 –8 8 4 2 –2 60 80 IR = 250µA IR = 1.5µA FORWARD CURRENT (mA) 0.001 0.4 0.5 0.6 0.7 0.8 0.01 0.1 1 10 100 1389-4 G06 0.3 0.2 0.1 0 0.9 1.0 TA = 25°C REVERSE CURRENT (mA) 0.8 1.6 2.0 0.001 0.1 10 1 1389-4 G03 0 1.2 0.4 0.01 25 °C 85 °C –40 °C REVERSE CURRENT (mA) 0.001 0.1 10 1000 0.1 0.01 10 1 1389-4 G04 1 100 TA = 25°C f = 25Hz FREQUENCY (kHz) 0.1 1 10 100 0.1 1 10 1389-4 G05 0.01 0.01 IR = 1.5µA COUT = 0µF IR = 10µA COUT = 0.68µF IR = 10µA COUT = 0µF TA = 25°C IR = 1.5µA COUT = 0.047µF |
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