Datasheet LTC3862 (Linear Technology) - 2

LTC3862
absoluTe MaxiMuM raTings (Notes 1, 2)
Input Supply Voltage (VIN) ... –0.3V to 40V ITH Voltage ... –0.3V to 2.7V INTVCC Voltage .. –0.3V to 6V FB Voltage ... –0.3V to V3V8 INTVCC LDO RMS Output Current ...50mA FREQ Voltage .. –0.3V to 1.5V RUN Voltage .. –0.3V to 8V Operating Junction Temperature Range (Notes 3, 4) SYNC Voltage ... –0.3V to 6V LTC3862E ... –40°C to 85°C SLOPE, PHASEMODE, DMAX, LTC3862I.. –40°C to 125°C BLANK Voltage .. –0.3V to V3V8 LTC3862H .. –40°C to 150°C SENSE1+, SENSE1–, SENSE2+, Storage Temperature Range ... –65°C to 150°C SENSE2– Voltage .. –0.3V to V3V8 Reflow Peak Body Temperature ... 260°C SS, PLLFLTR Voltage .. –0.3V to V3V8
pin conFiguraTion
TOP VIEW TOP VIEW TOP VIEW + – D 1 24 MAX 3V8 D 1 24 MAX 3V8 SLOPE 2 23 SENSE1+ SLOPE 2 23 SENSE1+ SLOPE DMAX 3V8 SENSE1 SENSE1 RUN BLANK 3 22 SENSE1– BLANK 3 22 SENSE1– 24 23 22 21 20 19 PHASEMODE 4 21 RUN PHASEMODE 4 21 RUN BLANK 1 18 VIN FREQ 5 20 VIN FREQ 5 20 V PHASEMODE 2 17 INTV IN CC SS 6 19 INTVCC FREQ 3 16 GATE1 25 SS 6 19 INTVCC 25 ITH 7 18 GATE1 SS 4 15 PGND ITH 7 18 GATE1 FB 8 17 PGND ITH 5 14 GATE2 FB 8 17 PGND SGND 9 16 GATE2 FB 6 13 NC SGND 9 16 GATE2 CLKOUT 10 15 NC CLKOUT 10 15 NC 7 8 9 10 11 12 SYNC 11 14 SENSE2– + – SYNC 11 14 SENSE2– PLLFLTR 12 13 SENSE2+ SGND SYNC PLLFLTR 12 13 SENSE2+ CLKOUT PLLFLTR SENSE2 SENSE2 FE PACKAGE UH PACKAGE 24-LEAD PLASTIC TSSOP GN PACKAGE 24-LEAD (5mm × 5mm) PLASTIC QFN 24-LEAD NARROW PLASTIC SSOP T T JMAX = 150°C, θJA = 38°C/W JMAX = 150°C, θJA = 44°C/W EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB TJMAX = 150°C, θJA = 85°C/W EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3862EFE#PBF LTC3862EFE#TRPBF 3862FE 24-Lead Plastic TSSOP –40°C to 85°C LTC3862IFE#PBF LTC3862IFE#TRPBF 3862FE 24-Lead Plastic TSSOP –40°C to 125°C LTC3862HFE#PBF LTC3862HFE#TRPBF 3862FE 24-Lead Plastic TSSOP –40°C to 150°C LTC3862EGN#PBF LTC3862EGN#TRPBF LTC3862GN 24-Lead Plastic SSOP –40°C to 85°C LTC3862IGN#PBF LTC3862IGN#TRPBF LTC3862GN 24-Lead Plastic SSOP –40°C to 125°C LTC3862HGN#PBF LTC3862HGN#TRPBF LTC3862GN 24-Lead Plastic SSOP –40°C to 150°C LTC3862EUH#PBF LTC3862EUH#TRPBF 3862 24-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC3862IUH#PBF LTC3862IUH#TRPBF 3862 24-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3862HUH#PBF LTC3862HUH#TRPBF 3862 24-Lead (5mm × 5mm) Plastic QFN –40°C to 150°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/ 3862fc 2 For more information www.linear.com/LTC3862 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts