Datasheet LT3980 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 58V, 2A, 2.4MHz Step-Down Switching Regulator with 85μA Quiescent Current |
| 页数 / 页 | 24 / 2 — absoluTe maximum raTinGs (Note 1). pin conFiGuraTion. orDer inFormaTion. … |
| 文件格式/大小 | PDF / 334 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
LT3980
absoluTe maximum raTinGs (Note 1)
VIN, RUN/SS Voltage (Note 5) ...80V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...75V LT3980E ...–40°C to 125°C BOOST Pin Above SW Pin ...30V LT3980I ..–40°C to 125°C FB, RT, VC Voltage ...5V LT3980H ..–40°C to 150°C PG, BD, SYNC Voltage ..25V Storage Temperature Range ...–65°C to 150°C Lead Temperature (Soldering, 10 sec) (MSE Only) ... 300°C
pin conFiGuraTion
TOP VIEW SYNC 1 14 DA TOP VIEW NC 2 13 NC SYNC 1 16 NC PG 2 15 DA PG 3 12 VIN 15 NC 3 14 VIN 17 FB 4 GND 11 SW FB 4 13 NC NC 5 GND 12 SW VC 5 10 BOOST V 6 C 11 BOOST RT 6 9 BD RT 7 10 BD GND 8 9 RUN/SS GND 7 8 RUN/SS MSE PACKAGE 16-LEAD PLASTIC MSOP DE14 PACKAGE 14-LEAD (4mm × 3mm) PLASTIC DFN θ JA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
orDer inFormaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3980EDE#PBF LT3980EDE#TRPBF 3980 14-Lead (3mm × 4mm) Plastic DFN –40°C to 125°C LT3980IDE#PBF LT3980IDE#TRPBF 3980 14-Lead (3mm × 4mm) Plastic DFN –40°C to 125°C LT3980EMSE#PBF LT3980EMSE#TRPBF 3980 16-Lead Plastic MSOP –40°C to 125°C LT3980IMSE#PBF LT3980IMSE#TRPBF 3980 16-Lead Plastic MSOP –40°C to 125°C LT3980HMSE#PBF LT3980HMSE#TRPBF 3980 16-Lead Plastic MSOP –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/
elecTrical characTerisTics The
●
denotes the specifications which apply over the full operating temper- ature range, otherwise specifications are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, VBOOST = 15V, VBD = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ● 3 3.6 V VIN Overvoltage Lockout ● 58 61.5 64 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching 20 35 60 µA VBD = 0, Not Switching 70 120 160 µA 3980fa 2 For more information www.linear.com/LT3980 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
absoluTe maximum raTinGs (Note 1)
VIN, RUN/SS Voltage (Note 5) ...80V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...75V LT3980E ...–40°C to 125°C BOOST Pin Above SW Pin ...30V LT3980I ..–40°C to 125°C FB, RT, VC Voltage ...5V LT3980H ..–40°C to 150°C PG, BD, SYNC Voltage ..25V Storage Temperature Range ...–65°C to 150°C Lead Temperature (Soldering, 10 sec) (MSE Only) ... 300°C
pin conFiGuraTion
TOP VIEW SYNC 1 14 DA TOP VIEW NC 2 13 NC SYNC 1 16 NC PG 2 15 DA PG 3 12 VIN 15 NC 3 14 VIN 17 FB 4 GND 11 SW FB 4 13 NC NC 5 GND 12 SW VC 5 10 BOOST V 6 C 11 BOOST RT 6 9 BD RT 7 10 BD GND 8 9 RUN/SS GND 7 8 RUN/SS MSE PACKAGE 16-LEAD PLASTIC MSOP DE14 PACKAGE 14-LEAD (4mm × 3mm) PLASTIC DFN θ JA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
orDer inFormaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3980EDE#PBF LT3980EDE#TRPBF 3980 14-Lead (3mm × 4mm) Plastic DFN –40°C to 125°C LT3980IDE#PBF LT3980IDE#TRPBF 3980 14-Lead (3mm × 4mm) Plastic DFN –40°C to 125°C LT3980EMSE#PBF LT3980EMSE#TRPBF 3980 16-Lead Plastic MSOP –40°C to 125°C LT3980IMSE#PBF LT3980IMSE#TRPBF 3980 16-Lead Plastic MSOP –40°C to 125°C LT3980HMSE#PBF LT3980HMSE#TRPBF 3980 16-Lead Plastic MSOP –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/
elecTrical characTerisTics The
●
denotes the specifications which apply over the full operating temper- ature range, otherwise specifications are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, VBOOST = 15V, VBD = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ● 3 3.6 V VIN Overvoltage Lockout ● 58 61.5 64 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching 20 35 60 µA VBD = 0, Not Switching 70 120 160 µA 3980fa 2 For more information www.linear.com/LT3980 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts