Datasheet LTC3619 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 400mA/800mA Synchronous Step-Down DC/DC with Average Input Current Limit |
| 页数 / 页 | 22 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion … |
| 文件格式/大小 | PDF / 512 Kb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
该数据表的模型线
文件文字版本
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
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