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LTC3458LEDE 数据表(PDF) 6 Page - Linear Technology |
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LTC3458LEDE 数据表(HTML) 6 Page - Linear Technology |
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6 / 16 page ![]() LTC3458L 6 3458lf TYPICAL PERFOR A CE CHARACTERISTICS FF Mode 100-300mA Load Step Sync Operation at 1.33MHz Burst Mode Operation 10mA to 50mA Load Step Auto Mode 10mA to 100mA Load Step 10mA to 200mA Load Step Showing UV Trip Forced BURST to FF Mode Switch with 50mA Load BURST 1V/DIV VOUT 200mV/DIV LOAD IL 200mA/DIV 500 µs/DIV 100mA 10mA VOUT 200mV/DIV VOUT 200mV/DIV IL 200mA/DIV IL 500mA/DIV 200 µs/DIV 200 µs/DIV FIXED FREQUENCY BURST –4% SW 5V/DIV SYNC 2V/DIV IL 200mA/DIV 500ns/DIV COMP 500mV/DIV BURST 500mV/DIV VOUT 200mV/DIV VOUT 200mV/DIV LOAD IL 200mA/DIV IL 0.5A/DIV 200 µs/DIV 200 µs/DIV 50mA 10mA VIN = 3.3V VOUT = 5V RT = 200k VIN = 3.3V VOUT = 5V L = 10 µH COUT = 22µF RILIM = 110k VIN = 3.3V VOUT = 5V L = 10 µH CBURST = 0.015µF RBURST = 133k RILIM = 110k VIN = 3.3V VOUT = 5V L = 10 µH CBURST = 0.015µF RBURST = 133k RILIM = 110k VIN = 3.3V VOUT = 5V RZ = 33K CC1 = 270pF CC2 = 10pF COUT = 22µF 0mA 0mA VIN = 3.3V VOUT = 5V L = 10 µH RZ = 33k CC1 = 270pF CC2 = 10pF COUT = 22µF RILIM = 110k L = 10 µH F = 1MHz 3458L G20 3458L G21 3458L G22 3458L G23 3458L G24 3458L G25 (TA = 25°C unless otherwise specified) |
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