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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LT3640EFE Arkusz danych(PDF) 2 Page - Linear Technology |
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LT3640EFE Arkusz danych(HTML) 2 Page - Linear Technology |
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2 / 24 page  LT3640 2 3640p ABSOLUTE MAXIMUM RATINGS VIN, EN/UVLO Voltage (Note 7) .................................55V WDE Voltage .............................................................30V BST Above SW, SW1 Voltage ....................... –0.3V to 6V SW1 Above SW Voltage ............................... –0.3V to 6V VIN2, SYNC, EN2, PGOOD, WDI, WDO, RST1, RST2, Voltages ....................... –0.3V to 6V SS1, SS2, FB1, FB2, RT, CWDT, CPOR Voltages……….............................. –0.3V to 2.5V (Note 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW FE PACKAGE 28-LEAD PLASTIC TSSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 FB2 PGOOD EN/UVLO SYNC SS1 FB1 RT RST2 RST1 WDO CWDT CPOR WDE WDI SS2 EN2 GND SW2 VIN2 GND VIN BST SW SW1 DA NC GND GND 29 θJA = 30°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB 9 10 TOP VIEW UFD PACKAGE 28-LEAD (4mm 5mm) PLASTIC QFN 11 12 13 28 27 26 25 24 14 23 6 5 4 3 2 1 SYNC SS1 FB1 RT RST2 RST1 WDO CWDT SW2 VIN2 GND VIN BST SW SW1 DA 7 17 18 19 20 21 22 16 8 15 29 GND θJA = 34°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB PIN CONFIGURATION ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LT3640EFE#PBF LT3640EFE#TRPBF LT3640FE 28-Lead Plastic TSSOP –40°C to 125°C LT3640IFE#PBF LT3640IFE#TRPBF LT3640FE 28-Lead Plastic TSSOP –40°C to 125°C LT3640EUFD#PBF LT3640EUFD#TRPBF 3640 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3640IUFD#PBF LT3640IUFD#TRPBF 3640 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is 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/ SW2 Voltage ................................ –0.3V to (VIN2 + 0.3V) DA Current ..................................................................2A Operating Junction Temperature Range (Note 2) LT3640E ................................................. –40°C to 125°C LT3640I .................................................. –40°C to 125°C Storage Temperature Range................... –65°C to 150°C Lead Temperature, FE Only (Soldering, 10 sec) .... 300°C |
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