Datasheet LTC3619 (Analog Devices) - 2

LTC3619
absoluTe MaxiMuM raTings (Note 1)
Input Supply Voltage (VIN) ... –0.3 to 6V Peak SW Source and Sink Current (Note 2) VFB1, VFB2 ..–0.3V to VIN + 0.3V Channel 1 .. 900mA RUN1, RUN2, RLIM .. –0.3V to VIN + 0.3V Channel 2 ..2A SW1, SW2 .. –0.3V to VIN + 0.3V Operating Junction Temperature Range PGOOD1, PGOOD2 ... –0.3V to VIN + 0.3V (Notes 3, 6, 8) .. –40°C to 125°C P-Channel SW Source Current (DC) (Note 2) Storage Temperature Range .. –65°C to 125°C Channel 1 .. 600mA Lead Temperature (Soldering, 10 sec) Channel 2 ..1A MSOP Package ...300°C N-Channel SW Source Current (DC) (Note 2) Reflow Peak Body Temperature ..260°C Channel 1 .. 600mA Channel 2 ..1A
pin conFiguraTion
TOP VIEW TOP VIEW VFB1 1 10 VFB2 VFB1 1 10 V RUN1 2 9 RUN2 FB2 RUN1 2 9 RUN2 RLIM 3 11 8 PGOOD2 RLIM 3 11 8 PGOOD2 PGOOD1 4 7 SW2 PGOOD1 4 7 SW2 SW1 5 6 VIN SW1 5 6 VIN MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE T 10-LEAD (3mm × 3mm) PLASTIC DFN JMAX = 125°C, θJA = 45°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 40°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3619EDD#PBF LTC3619EDD#TRPBF LFKM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3619IDD#PBF LTC3619IDD#TRPBF LFKM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LTC3619EMSE#PBF LTC3619EMSE#TRPBF LTFKN 10-Lead Plastic MSOP –40°C to 85°C LTC3619IMSE#PBF LTC3619IMSE#TRPBF LTFKN 10-Lead Plastic MSOP –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/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C, VIN = 5V, unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN VIN Operating Voltage Range l 2.5 5.5 V VUV VIN Undervoltage Lockout VIN Low to High l 2.1 2.5 V 3619fa 2 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Functional Diagram Operation Applications Information Package Description Typical Application Related Parts