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LT8331 Arkusz danych(PDF) 5 Page - Linear Technology |
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LT8331 Arkusz danych(HTML) 5 Page - Linear Technology |
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5 / 30 page  LT8331 5 8331fa For more information www.linear.com/LT8331 TYPICAL PERFORMANCE CHARACTERISTICS Switching Waveforms (in CCM) Switching Waveforms (in DCM/Light Burst Mode) Switching Waveforms (in Deep Burst Mode) Burst Frequency vs Load Current VIN Pin Current (Sleep Mode, Not Switching) vs Temperature VIN Pin Current (Active Mode, Not Switching) vs Temperature VIN Pin Current (Active Mode, Not Switching) vs Temperature VIN = 12V VSYNC/MODE = 0V VBIAS = 0V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 0 1.25 2.50 3.75 5.00 6.25 7.50 8.75 10.00 8331 G10 JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 600 650 700 750 800 850 900 950 1000 8331 G11 VIN = 12V VSYNC/MODE = 0V VBIAS = 0V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 0 5 10 15 20 25 30 8331 G12 VIN = 12V VSYNC/MODE = 0V VBIAS = 5V VOUT Transient Response: Load Current Transients from 82.5mA to 165mA to 82.5mA VOUT Transient Response: Load Current Transients from 5mA to 165mA to 5mA 2µs/DIV VSW 50V/DIV IL1+IL2 200mA/DIV 8331 G13 FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V, ILOAD = 165mA 2µs/DIV VSW 50V/DIV IL1+IL2 200mA/DIV 8331 G14 FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V, ILOAD = 15mA 5µs/DIV VSW 50V/DIV IL1+IL2 200mA/DIV 8331 G15 FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V, ILOAD = 3mA FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V LOAD CURRENT (mA) 0 20 40 60 80 100 0 150 300 450 600 8331 G16 FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V 200µs/DIV VOUT 500mV/DIV ILOAD 100mA/DIV 8331 G17 FRONT PAGE APPLICATION VIN = 48V, VOUT = 48V 500µs/DIV VOUT 1V/DIV ILOAD 100mA/DIV 8331 G18 |
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