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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3429 датащи(PDF) 4 Page - Linear Technology |
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LTC3429 датащи(HTML) 4 Page - Linear Technology |
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4 / 12 page  LTC3429/LTC3429B 4 3429fa TYPICAL PERFOR A CE CHARACTERISTICS Output Voltage vs Temperature Normalized Oscillator Frequency vs Temperature Burst Mode Quiescent Current vs Temperature (LTC3429 Only) (TA = 25°C unless otherwise specified) TEMPERATURE (°C) –60 3.32 3.36 3.40 60 3429 G10 3.28 3.24 –29 20 –40 80 0 40 100 3.20 3.16 3.44 VIN = 1.5V IOUT = 30mA TEMPERATURE (°C) –60 0.92 0.94 0.98 1.00 1.02 –20 20 40 3429 G11 0.96 –40 0 60 80 100 TEMPERATURE (°C) –60 20 30 100 3429 G12 10 0 –20 20 60 –40 0 40 80 40 15 25 5 35 VOUT = 5V VOUT = 3.3V SW Pin Fixed Frequency Continuous Mode Operation SW Pin Discontinuous Mode Antiringing Operation Fixed Frequency and Burst Mode Operation (LTC3429 Only) Output Voltage Transient Response Inrush Current Control and Soft-Start Inrush Current Control and Soft-Start VSW 1V/DIV VIN = 1.5V VOUT = 3.3V IOUT = 50mA L = 10µH COUT = 10µF CPL = 150pF 200ns/DIV 3429 G13 VSW 1V/DIV VIN = 1.5V VOUT = 3.3V IOUT = 20mA L = 10µH COUT = 10µF CPL = 150pF 200ns/DIV 3429 G14 VOUT 100mV/DIV AC-COUPLED 50mA 120µA IOUT VIN = 1.5V VOUT = 3.3V IOUT = 120µA TO 50mA STEP L = 10µH COUT = 10µF CPL = 150pF 5ms/DIV 3429 G15 VOUT 100mV/DIV AC-COUPLED 90mA 40mA IOUT VIN = 1.5V VOUT = 3.3V IOUT = 40mA TO 90mA STEP L = 10µH COUT = 10µF CPL = 150pF 100µs/DIV 3429 G16 VOUT 1V/DIV INDUCTOR CURRENT 100mA/DIV VIN = 1.5V VOUT = 3.3V IOUT = 10mA L = 4.7µH COUT = 10µF CPL = 100pF 500µs/DIV 3429 G17 VOUT 2V/DIV INDUCTOR CURRENT 200mA/DIV VIN = 2.5V VOUT = 5V IOUT = 50mA L = 4.7µH COUT = 10µF CPL = 100pF 2ms/DIV 3429 G18 |
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