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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3404 датащи(PDF) 5 Page - Linear Technology |
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LTC3404 датащи(HTML) 5 Page - Linear Technology |
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5 / 16 page  5 LTC3404 TYPICAL PERFOR A CE CHARACTERISTICS Switch Leakage vs Temperature TEMPERATURE ( °C) –50 25 3404 G13 2.0 1.0 –25 0 50 0.5 0 2.5 1.5 75 100 125 MAIN SWITCH VIN = 7V RUN = 0V SYNCHRONOUS SWITCH Burst Mode Operation Switch Leakage vs Input Voltage INPUT VOLTAGE (V) 0 0 0.2 0.4 0.6 0.8 24 6 8 3404 G20 1.0 1.2 13 5 7 SYNCHRONOUS SWITCH MAIN SWITCH RUN = 0V Pulse Skipping Mode Operation Start-Up from Shutdown Load Step Response Load Step Response Load Step Response DC Supply Current vs Temperature TEMPERATURE ( °C) –50 300 350 400 450 250 200 150 100 50 0 25 75 3404 G12 –25 0 50 125 100 PULSE SKIPPING MODE Burst Mode OPERATION VIN = 3.6V VOUT = 1.5V 10 µs/DIV VIN = 4.2V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 30mA SW 5V/DIV IL 200mA/DIV VOUT 50mV/DIV AC COUPLED 3404 G14 500ns/DIV VIN = 4.2V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 30mA SW 5V/DIV IL 100mA/DIV VOUT 10mV/DIV 3404 G15 40 µs/DIV VIN = 3.6V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 200mA TO 500mA PULSE SKIPPING MODE VOUT 100mV/DIV IL 500mA/DIV ITH 1V/DIV 3404 G17 40 µs/DIV VIN = 3.6V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 50mA TO 500mA PULSE SKIPPING MODE VOUT 100mV/DIV IL 500mA/DIV ITH 1V/DIV 3404 G18 40 µs/DIV VIN = 3.6V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 50mA TO 500mA Burst Mode OPERATION VOUT 100mV/DIV IL 500mA/DIV ITH 1V/DIV 3404 G19 40 µs/DIV VIN = 3.6V VOUT = 1.5V L = 4.7 µH CIN = 10µF COUT = 22µF ILOAD = 500mA RUN 2V/DIV IL 500mA/DIV VOUT 1V/DIV 3404 G16 |
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