Datasheet LTC3618 (Analog Devices) - 2

LTC3618
absoluTe MaxiMuM raTings (Notes 1, 10)
PVIN1, PVIN2 Voltages .. –0.3V to 6V Operating Junction Temperature SVIN Voltage .. –0.3V to 6V Range (Note 2) ... –40°C to 125°C SW1 Voltage ...–0.3V to (PVIN1 + 0.3V) Storage Temperature.. –65°C to 150°C SW2 Voltage ..–0.3V to (PVIN2 + 0.3V) Lead Soldering Temperature (TSSOP) ..300°C RUN1 Voltage .. –0.3V to (SVIN + 0.6V) Reflow Peak Body Temperature (QFN) ..260°C Al Other Pins ... –0.3V to 6V
pin conFiguraTion
TOP VIEW TOP VIEW PHASE 1 24 MODE/SYNC IN IN1 IN1 FB2 2 23 ITH1 TRACK/SS1 SV PV PV SW1 SW1 ITH2 3 22 FB1 24 23 22 21 20 19 VDDQIN 4 21 TRACK/SS1 FB1 1 18 PGOOD1 SGND 5 20 SVIN ITH1 2 17 VTTR 25 PV 6 19 MODE/SYNC 3 25 16 PGOOD2 IN2 PV PGND IN1 PGND PV 7 18 PHASE 4 15 RT IN2 PVIN1 FB2 RUN1 SW2 8 17 SW1 5 14 ITH2 6 13 RUN2 SW2 9 16 SW1 RUN2 10 15 PGOOD1 7 8 9 10 11 12 RUN1 11 14 VTTR IN2 IN2 SGND PV PV SW2 SW2 RT 12 13 PGOOD2 VDDQIN FE PACKAGE UF PACKAGE 24-LEAD PLASTIC TSSOP 24-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 33°C/W TJMAX = 125°C, θJA = 46.9°C/W EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB 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
LTC3618EFE#PBF LTC3618EFE#TRPBF LTC3618FE 24-Lead Plastic TSSOP –40°C to 125°C LTC3618IFE#PBF LTC3618IFE#TRPBF LTC3618FE 24-Lead Plastic TSSOP –40°C to 125°C LTC3618EUF#PBF LTC3618EUF#TRPBF 3618 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3618IUF#PBF LTC3618IUF#TRPBF 3618 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. 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/ 3618fc 2 For more information www.linear.com/LTC3618 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts