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LTC3708 数据表(PDF) 2 Page - Linear Technology |
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LTC3708 数据表(HTML) 2 Page - Linear Technology |
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2 / 32 page  LTC3728L-1 2 3728l1fc ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (VIN).........................30V to – 0.3V Input Supply Voltage (VIN) LTC3728LI-1....35V to – 0.3V Top Side Driver Voltages (BOOST1, BOOST2) ............................... 36V to –0.3V (BOOST1, BOOST2) LTC3728LI-1.......... 38V to –0.3V Switch Voltage (SW1, SW2) ........................... 30V to –5V Switch Voltage (SW1, SW2) LTC3728LI-1... 35V to –0.3V INTVCC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), (BOOST2-SW2), PGOOD ......................... 7V to –0.3V INTVCC, EXTVCC LTC3728LI-1....................... 8V to –0.3V SENSE1+, SENSE2+, SENSE1–, SENSE2– Voltages .....................(1.1)INTVCC to –0.3V (Note 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW GN PACKAGE 28-LEAD NARROW PLASTIC SSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RUN/SS1 SENSE1+ SENSE– VOSENSE1 PLLFLTR PLLIN FCB ITH1 SGND 3.3VOUT ITH2 VOSENSE2 SENSE2– SENSE2+ PGOOD TG1 SW1 BOOST1 VIN BG1 EXTVCC INTVCC PGND BG2 BOOST2 SW2 TG2 RUN/SS2 TJMAX = 125°C, θJA = 95°C/W 32 31 30 29 28 27 26 25 9 10 11 12 13 TOP VIEW 33 14 15 16 17 18 19 20 21 22 23 24 8 7 6 5 4 3 2 1 VOSENSE1 PLLFLTR PLLIN FCB ITH1 SGND 3.3VOUT ITH2 BOOST1 VIN BG1 EXTVCC INTVCC PGND BG2 BOOST2 UH PACKAGE 32-LEAD (5mm 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB PIN CONFIGURATION ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3728LEGN-1#PBF LTC3728LEGN-1#TRPBF LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1#PBF LTC3728LIGN-1#TRPBF LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1#PBF LTC3728LEUH-1#TRPBF 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1#PBF LTC3728LIUH-1#TRPBF 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3728LEGN-1 LTC3728LEGN-1#TR LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1 LTC3728LIGN-1#TR LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1 LTC3728LEUH-1#TR 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1 LTC3728LIUH-1#TR 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/ PLLIN, PLLFLTR, FCB, Voltage.............. INTVCC to –0.3V ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages.... 2.7V to –0.3V Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A INTVCC Peak Output Current ..................................40mA Operating Temperature Range (Note 7).... –40°C to 85°C Junction Temperature (Note 2) ............................. 125°C Storage Temperature Range................... –65°C to 125°C Reflow Peak Body Temperature (UH Package)...... 260°C Lead Temperature (Soldering, 10 sec) GN Package ...................................................... 300°C |
类似零件编号 - LTC3708 |
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类似说明 - LTC3708 |
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