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LTC3785 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3785 Datasheet(HTML) 2 Page - Linear Technology |
2 / 20 page LTC3785 3785fc The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VIN = ISVOUT = VDRV = VBST1 = VBST2 = 3.6V, RT = 49.9k, RILSET = 59k. pin conFiguraTion absoluTe MaxiMuM raTings Input Supply Voltage (VIN)......................... –0.3V to 11V ISVOUT, ISVIN .............................................. –0.3V to 11V SW1, SW2, ISSW1, ISSW2 Voltage: DC............................................................. –1V to 11V Pulsed, <1µs............................................. –2V to 12V RUN/SS, MODE, CCM, VDRV, VCC Voltages.. –0.3V to 6V VBST1 Voltage............................................. –0.3V to 16V With Respect to SW1............................... –0.3V to 6V VBST2 Voltage............................................. –0.3V to 16V With Respect to SW2............................... –0.3V to 6V Peak Driver Output Current < 10µs (TG1, TG2, BG1, BG2).................................................3A VCC Average Output Current.................................100mA Operating Junction Temperature Range (Note 2)..................................................–40°C to 125°C Junction Temperature ........................................... 125°C Storage Temperature Range...................–65°C to 150°C (Note 1) 24 23 22 21 20 19 7 8 9 TOP VIEW 25 GND UF PACKAGE 24-LEAD (4mm 4mm) PLASTIC QFN 10 11 12 6 5 4 3 2 1 13 14 15 16 17 18 RUN/SS VC FB VSENSE ILSET CCM ISSW1 BG1 VDRV BG2 ISSW2 SW2 TJMAX = 125°C, θJA = 40°C/W 1 LAYER BOARD, θJA = 30°C/W 4 LAYER BOARD EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Supply Input Operating Voltage l 2.7 10 V Quiescent Current—Burst Mode Operation VC = 0V, MODE = 3.6V (Note 4) 86 200 µA Quiescent Current—Shutdown RUN/SS = 0V, ISVOUT = 3.6V 15 25 µA Quiescent Current—Active MODE = 0V (Note 4) 0.8 1.5 mA Error Amp Feedback Voltage (Note 5) l 1.200 1.225 1.25 V Feedback Input Current 1 500 nA orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3785EUF#PBF LTC3785EUF#TRPBF 3785 24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C LTC3785IUF#PBF LTC3785IUF#TRPBF 3785 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3785EUF LTC3785EUF#TR 3785 24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C LTC3785IUF LTC3785IUF#TR 3785 24-Lead (4mm × 4mm) 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. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/ elecTrical characTerisTics |
Similar Part No. - LTC3785_15 |
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Similar Description - LTC3785_15 |
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