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LTC4267CDHC 数据表(PDF) 2 Page - Linear Integrated Systems |
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LTC4267CDHC 数据表(HTML) 2 Page - Linear Integrated Systems |
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2 / 32 page  LTC4267 2 4267fc VPORTN with Respect to VPORTP Voltage...0.3V to –100V POUT, SIGDISA, ⎯P⎯W⎯R⎯G⎯D Voltage..................... VPORTN + 100V to VPORTN –0.3V PVCC to PGND Voltage (Note 2) Low Impedance Source ........................... – 0.3V to 8V Current Fed .......................................... 5mA into PVCC RCLASS Voltage.................VPORTN + 7V to VPORTN – 0.3V ⎯P⎯W⎯R⎯G⎯D Current.....................................................10mA RCLASS Current.....................................................100mA NGATE to PGND Voltage ...........................– 0.3V to PVCC VFB, ITH/RUN to PGND Voltages................–0.3V to 3.5V ORDER PART NUMBER DFN PART* MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grades are identified by a label on the shipping container. 4267 4267 LTC4267CDHC LTC4267IDHC (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VPORTN Supply Voltage Voltage with Respect to VPORTP Pin Maximum Operating Voltage (Notes 4, 5, 6) ● – 57 V Signature Range ● – 1.5 – 9.5 V Classification Range ● – 12.5 – 21 V UVLO Turn-On Voltage ● – 34.8 – 36.0 – 37.2 V UVLO Turn-Off Voltage ● – 29.3 – 30.5 – 31.5 V VTURNON PVCC Turn-On Voltage Voltage with Respect to PGND ● 7.8 8.7 9.2 V VTURNOFF PVCC Turn-Off Voltage Voltage with Respect to PGND ● 4.6 5.7 6.8 V VHYST PVCC Hysteresis VTURNON – VTURNOFF ● 1.5 3.0 V VCLAMP1mA PVCC Shunt Regulator Voltage IPVCC = 1mA, VITH/RUN = 0V, Voltage ● 8.3 9.4 10.3 V with Respect to PGND SENSE to PGND Voltage .............................. – 0.3V to 1V NGATE Peak Output Current (<10μs) ..........................1A Operating Ambient Temperature Range LTC4267C ................................................ 0°C to 70°C LTC4267I .............................................– 40°C to 85°C Junction Temperature GN Package ...................................................... 150°C DHC Package .................................................... 125°C Storage Temperature Range...................– 65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300°C ORDER PART NUMBER GN PART MARKING 4267 4267I LTC4267CGN LTC4267IGN TJMAX = 125°C, θJA = 43.5°C/W EXPOSED PAD (PIN 17) MUST BE SOLDERED TO ELECTRICALLY ISOLATED PCB HEAT SINK TJMAX = 150°C, θJA = 90°C/W 16 15 14 13 12 11 10 9 17 1 2 3 4 5 6 7 8 TOP VIEW DHC16 PACKAGE 16-LEAD (3mm × 5mm) PLASTIC DFN ITH/RUN PGND NGATE PVCC RCLASS NC VPORTN NC VFB PGND SENSE VPORTP SIGDISA PWRGD POUT NC TOP VIEW GN PACKAGE 16-LEAD NARROW PLASTIC SSOP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 PGND ITH/RUN NGATE PVCC RCLASS NC VPORTN PGND PGND VFB SENSE VPORTP SIGDISA PWRGD POUT PGND Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ ABSOLUTE AXI U RATI GS FOR ATIO PACKAGE/ORDER I ELECTRICAL CHARACTERISTICS |
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