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LTC4263CDE-PBF Datasheet(PDF) 2 Page - Linear Technology |
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LTC4263CDE-PBF Datasheet(HTML) 2 Page - Linear Technology |
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2 / 24 page  LTC4263 2 4263fd ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Supply Voltages VSS – VDD48 ........................................... 0.3V to –80V VDD5........................................ VSS – 0.3V to VSS + 6V Pin Voltages and Currents LEGACY, MIDSPAN, ENFCLS, PWRMGT SD, OSC.................................. VSS – 0.3V to VSS + 6V LED....................................... VSS – 0.3V to VSS + 80V OUT, ACOUT............................................ (See Note 3) (Notes 1, 2) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD48 – VSS = 48V and VDD5 not driven externally. All voltages are relative to VSS unless otherwise noted. (Notes 2, 5) Operating Ambient Temperature Range LTC4263C................................................ 0°C to 70°C LTC4263I............................................. –40°C to 85°C Junction Temperature (Note 4) ............................. 125°C Storage Temperature Range................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) SO..................................................................... 300°C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supplies VSUPPLY 48V Supply Voltage VDD48 – VSS To Maintain IEEE Compliant Output l l 33 46 48 66 57 V V VUVLO_OFF UVLO Turn-Off Voltage VDD48 – VSS Decreasing l 29 31 33 V VUVLO_HYS UVLO Hysteresis l 0.1 1 V 1 2 3 4 5 6 7 14 13 12 11 10 9 8 15 VDD5 ENFCLS SD VDD48 OUT OUT ACOUT LED LEGACY MIDSPAN PWRMGT VSS VSS OSC TOP VIEW DE14 PACKAGE 14-LEAD (4mm 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W, θJC = 4.3°C/W EXPOSED PAD (PIN 15) IS VSS, MUST BE SOLDERED TO PCB TOP VIEW S PACKAGE 14-LEAD PLASTIC SO 1 2 3 4 5 6 7 14 13 12 11 10 9 8 LED LEGACY MIDSPAN PWRMGT VSS VSS OSC VDD5 ENFCLS SD VDD48 OUT OUT ACOUT TJMAX = 125°C, θJA = 90°C/W, θJC = 37°C/W PIN CONFIGURATION ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4263CDE#PBF LTC4263CDE#TRPBF 4263 14-Lead (4mm × 3mm) Plastic DFN 0°C to 70°C LTC4263IDE#PBF LTC4263IDE#TRPBF 4263 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C LTC4263CS#PBF LTC4263CS#TRPBF 4263CS 14-Lead Plastic SO 0°C to 70°C LTC4263IS#PBF LTC4263IS#TRPBF 4263IS 14-Lead Plastic SO –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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/ |
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