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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4151 датащи(PDF) 3 Page - Linear Technology |
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LTC4151 датащи(HTML) 3 Page - Linear Technology |
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3 / 32 page  LTC2945 3 2945f ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2945CUD#PBF LTC2945CUD#TRPBF LFWK 12-Lead (3mm × 3mm) Plastic QFN 0°C to 70°C LTC2945IUD#PBF LTC2945IUD#TRPBF LFWK 12-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC2945CUD-1#PBF LTC2945CUD-1#TRPBF LFYX 12-Lead (3mm × 3mm) Plastic QFN 0°C to 70°C LTC2945IUD-1#PBF LTC2945IUD-1#TRPBF LFYX 12-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC2945CMS#PBF LTC2945CMS#TRPBF 2945 12-Lead Plastic MSOP 0°C to 70°C LTC2945IMS#PBF LTC2945IMS#TRPBF 2945 12-Lead Plastic MSOP –40°C to 85°C LTC2945CMS-1#PBF LTC2945CMS-1#TRPBF 29451 12-Lead Plastic MSOP 0°C to 70°C LTC2945IMS-1#PBF LTC2945IMS-1#TRPBF 29451 12-Lead Plastic MSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SUPPLIES VDD VDD Supply Voltage Range l 480 V VINTVCC INTVCC Supply Voltage Range l 2.7 5.9 V IDD VDD Supply Current VDD = 48V, INTVCC Open Shutdown l l 0.8 40 1.2 70 mA μA ICC INTVCC Supply Current INTVCC = VDD = 5V Shutdown, INTVCC = VDD = 5V l l 0.6 20 0.9 80 mA μA ICCSRC INTVCC Linear Regulator Output Current VDD = 7V l –10 mA VCC INTVCC Linear Regulator Voltage 7V < VDD < 80V, ILOAD = 1mA l 4.5 5 5.5 V ΔVCC INTVCC Linear Regulator Load Regulation 7V < VDD < 80V, ILOAD = 1mA to 10mA l 100 200 mV VCCZ INTVCC Shunt Regulator Voltage VDD = 48V, ICC = 1mA l 5.9 6.3 6.7 V ΔVCCZ INTVCC Shunt Regulator Load Regulation VDD = 48V, ICC = 1mA to 35mA l 250 mV VCC(UVL) INTVCC Supply Undervoltage Lockout INTVCC Rising, VDD = INTVCC l 2.2 2.6 2.69 V VDD(UVL) VDD Supply Undervoltage Lockout VDD Rising, INTVCC Open l 2.9 3.2 3.5 V VDDI2C(RST) VDD I2C Logic Reset VDD Falling, INTVCC Open l 2 2.5 V VCCI2C(RST) INTVCC I2C Logic Reset INTVCC Falling, VDD = INTVCC l 1.5 1.8 V SENSE INPUTS VCM SENSE+, SENSE– Common Mode Voltage l 080 V ISENSE+(HI) 48V SENSE+ Input Current SENSE+, SENSE–, VDD = 48V Shutdown l l 100 150 2 μA μA ISENSE–(HI) 48V SENSE– Input Current SENSE+, SENSE–, VDD = 48V Shutdown l l 20 1 μA μA ISENSE+(LO) 0V SENSE+ Source Current SENSE+, SENSE– = 0V VDD = 48V Shutdown l l –10 –2 μA μA ISENSE–(LO) 0V SENSE– Source Current SENSE+, SENSE– = 0V, VDD = 48V Shutdown l l –5 ±1 μA μA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD is from 4V to 80V unless otherwise noted. (Note 2) |
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