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LT3508 Datasheet(PDF) 2 Page - Linear Technology |
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LT3508 Datasheet(HTML) 2 Page - Linear Technology |
2 / 24 page LT3508 2 3508fb PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN Pin Voltage............................................(–0.3V), 40V BOOST Pin Voltage ...................................................60V BOOST Above SW Voltage ........................................30V SHDN, PG Voltage.....................................................40V TRACK/SS, FB, RT/SYNC, VC Voltage ..........................6V Operating Junction Temperature Range (Note 2) LT3508E............................................. –40°C to 125°C LT3508I.............................................. –40°C to 125°C LT3508H ............................................ –40°C to 150°C (Note 1) FE PACKAGE 16-LEAD PLASTIC TSSOP 1 2 3 4 5 6 7 8 TOP VIEW 16 15 14 13 12 11 10 9 TRACK/SS1 BOOST1 SW1 VIN1 VIN2 SW2 BOOST2 TRACK/SS2 FB1 VC1 PG1 RT/SYNC SHDN PG2 VC2 FB2 17 θJA = 40°C/W, θJC = 10°C/W EXPOSED PAD (PIN 17) IS GND AND MUST BE SOLDERED TO PCB 24 23 22 21 20 19 7 8 9 TOP VIEW 25 UF PACKAGE 24-LEAD (4mm 4mm) PLASTIC QFN 10 11 12 6 5 4 3 2 1 13 14 15 16 17 18 FB1 TRACK/SS1 GND GND GND GND FB2 TRACK/SS2 GND GND GND GND θJA = 40°C/W, θJC = 10°C/W EXPOSED PAD (PIN 25) IS GND AND MUST BE SOLDERED TO PCB Storage Temperature Range QFN.................................................... –65°C to 150°C TSSOP ............................................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) TSSOP .............................................................. 300°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LT3508EFE#PBF LT3508EFE#TRPBF 3508FE 16-Lead Plastic TSSOP –40°C to 125°C LT3508IFE#PBF LT3508IFE#TRPBF 3508FE 16-Lead Plastic TSSOP –40°C to 125°C LT3508HFE#PBF LT3508HFE#TRPBF 3508HFE 16-Lead Plastic TSSOP –40°C to 150°C LT3508EUF#PBF LT3508EUF#TRPBF 3508 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3508IUF#PBF LT3508IUF#TRPBF 3508 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3508HUF#PBF LT3508HUF#TRPBF 3508H 24-Lead (4mm × 4mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges.*Temperature grades are identified by a label on the shipping container. 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/ |
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