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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT8601 датащи(PDF) 3 Page - Linear Technology |
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LT8601 датащи(HTML) 3 Page - Linear Technology |
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3 / 26 page  LT8601 3 8601fa For more information www.linear.com/LT8601 elecTrical characTerisTics PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Operating Voltage l 2.7 3 V Minimum Operating Voltage to Start l 3.1 3.5 V VIN Quiescent Current, Shutdown EN/UVLO = 0.4V 0.1 1 µA VIN Quiescent Current, Operating All Channels Active, No Load (Note 4) All Channels Active,100µA on VOUT2 (Note 4) 30 70 µA µA EN/UVLO Threshold EN/UVLO Rising EN/UVLO Falling l l 1.15 1.0 1.2 1.15 1.25 1.2 V V EN/UVLO Input Current EN/UVLO = 1.2V, VIN = 42V − 40 40 nA Oscillator Switching Frequency RT = 28.7k l 1.8 2 2.2 MHz RT = 254k l 0.225 0.25 0.275 MHz SYNC Input Frequency Range l 0.25 2.2 MHz SYNC Input Voltage Low l 0.3 V SYNC Input Voltage High l 1.2 V SYNC Input Current − 100 100 nA Channel 1 Feedback Voltage l 0.988 1 1.012 V Input Current FB1 l − 100 100 nA FB1 Voltage Line Regulation VIN = 3V to 42V 0.002 0.01 %/V SW1 Peak Current Limit VIN = PVIN1 = PVIN2 = 6V 2.3 2.7 3.0 A SW1 Leakage Current 0.1 1 µA SW1 Top On Resistance ISW1 = 1A 240 mΩ SW1 Bottom On Resistance ISW1 = 1A 170 mΩ Lower FB1 Power Good Threshold Percentage of VFB1 l 89 92 95 % Upper FB1 Power Good Threshold Percentage of VFB1 l 105 108 111 % PG1 Output Voltage Low IPG1 = –350μA l 0.13 0.3 V PG1 Leakage Current PG1 = 5V, FB1 = 1V l 30 μA TRKSS1 Pull-Up Current TRKSS1 = 0.2V 1.5 2.4 3.1 μA Minimum Switch-On Time ISW1 = 1A 60 ns Minimum Switch-Off Time ISW1 = 1A 70 ns Channel 2 Feedback Voltage l 0.988 1 1.012 V Input Current FB2 l − 100 100 nA FB2 Voltage Line Regulation VIN = 3V to 42V 0.002 0.01 %/V SW2 Peak Current Limit VIN = PVIN1 = PVIN2 = 6V 3.5 4.0 4.5 A SW2 Leakage Current 0.1 1 µA SW2 Top On Resistance ISW2 = 1A 150 mΩ SW2 Bottom On Resistance ISW2 = 1A 100 mΩ Lower FB2 Power Good Threshold Percentage of VFB2 l 89 92 95 % Upper FB2 Power Good Threshold Percentage of VFB2 l 105 108 111 % PG2 Output Voltage Low IPG2 = –350µA l 0.13 0.3 V The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V, PVIN3 = 3.3V unless otherwise noted. (Note 2) |
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