Datasheet LTC3854 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller |
| 页数 / 页 | 28 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| 文件格式/大小 | PDF / 547 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
- LTC3854EDDB#PBF LTC3854EDDB#TRMPBF LTC3854EDDB#TRMPBF LTC3854EDDB#TRPBF LTC3854EDDB#TRPBF LTC3854EMSE#PBF LTC3854EMSE#PBF LTC3854EMSE#TRPBF LTC3854EMSE#TRPBF LTC3854IDDB#PBF LTC3854IDDB#TRMPBF LTC3854IDDB#TRMPBF LTC3854IDDB#TRPBF LTC3854IDDB#TRPBF LTC3854IMSE#PBF LTC3854IMSE#PBF LTC3854IMSE#TRPBF LTC3854IMSE#TRPBF
文件文字版本
LTC3854
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) .. 40V to –0.3V ITH, FB Voltages ... 2.7V to –0.3V Top Side Driver Voltage (BOOST) ... 46V to –0.3V INTVCC Peak Output Current (Note 8) ..40mA Switch Voltage (SW) .. 40V to –5.0V Operating Temperature Range INTVCC, BOOST-SW .. 6V to –0.3V (Notes 2, 3) ..–40°C to 85°C SENSE+, SENSE– ... 6V to –0.3V Maximum Junction Temperature .. 125°C RUN/SS .. 6V to –0.3V Storage Temperature Range .. –65°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW FB 1 12 SENSE+ FB 1 12 SENSE+ ITH 2 11 SENSE– ITH 2 11 SENSE– RUN/SS 3 10 V RUN/SS 3 13 IN 10 VIN 13 BOOST 4 9 INTVCC BOOST 4 9 INTVCC TG 5 TG 8 BG 5 8 BG SW 6 7 GND SW 6 7 GND MSE PACKAGE DDB PACKAGE 12-LEAD PLASTIC MSOP 12-LEAD (3mm × 2mm) PLASTIC DFN TJMAX = 125°C, θJA = 40°C/W, θJC = 16°C/W TJMAX = 125°C, θJA = 76°C/W, θJC = 10°C/W EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3854EDDB#PBF LTC3854EDDB#TRPBF LDPC 12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3854IDDB#PBF LTC3854IDDB#TRPBF LDPC 12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3854EMSE#PBF LTC3854EMSE#TRPBF 3854 12-Lead Plastic MSOP –40°C to 85°C LTC3854IMSE#PBF LTC3854IMSE#TRPBF 3854 12-Lead Plastic MSOP –40°C to 85°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/ 3854fb 2 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 Related Parts
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) .. 40V to –0.3V ITH, FB Voltages ... 2.7V to –0.3V Top Side Driver Voltage (BOOST) ... 46V to –0.3V INTVCC Peak Output Current (Note 8) ..40mA Switch Voltage (SW) .. 40V to –5.0V Operating Temperature Range INTVCC, BOOST-SW .. 6V to –0.3V (Notes 2, 3) ..–40°C to 85°C SENSE+, SENSE– ... 6V to –0.3V Maximum Junction Temperature .. 125°C RUN/SS .. 6V to –0.3V Storage Temperature Range .. –65°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW FB 1 12 SENSE+ FB 1 12 SENSE+ ITH 2 11 SENSE– ITH 2 11 SENSE– RUN/SS 3 10 V RUN/SS 3 13 IN 10 VIN 13 BOOST 4 9 INTVCC BOOST 4 9 INTVCC TG 5 TG 8 BG 5 8 BG SW 6 7 GND SW 6 7 GND MSE PACKAGE DDB PACKAGE 12-LEAD PLASTIC MSOP 12-LEAD (3mm × 2mm) PLASTIC DFN TJMAX = 125°C, θJA = 40°C/W, θJC = 16°C/W TJMAX = 125°C, θJA = 76°C/W, θJC = 10°C/W EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3854EDDB#PBF LTC3854EDDB#TRPBF LDPC 12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3854IDDB#PBF LTC3854IDDB#TRPBF LDPC 12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3854EMSE#PBF LTC3854EMSE#TRPBF 3854 12-Lead Plastic MSOP –40°C to 85°C LTC3854IMSE#PBF LTC3854IMSE#TRPBF 3854 12-Lead Plastic MSOP –40°C to 85°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/ 3854fb 2 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 Related Parts