Datasheet LT1912 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 36V, 2A, 500kHz Step-Down Switching Regulator |
| 页数 / 页 | 24 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| 文件格式/大小 | PDF / 379 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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文件文字版本
LT1912
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, RUN/SS Voltage ...36V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...56V LT1912E .. –40°C to 125°C BOOST Pin Above SW Pin ...30V Storage Temperature Range .. –65°C to 150°C FB, RT, VC Voltage ...5V Lead Temperature (Soldering, 10 sec) BD, SYNC Voltage ...30V MSE Only ..300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW BD 1 10 RT BD 1 10 R BOOST 2 9 V T C BOOST 2 9 V 11 C 11 SW 3 8 SW 3 8 FB GND FB GND V VIN 4 7 N/C IN 4 7 N/C RUN/SS 5 6 SYNC RUN/SS 5 6 SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB JA = 45°C/W, JC = 10°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
LT1912EDD#PBF LT1912EDD#TRPBF LDJT 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT1912EMSE#PBF LT1912EMSE#TRPBF LTDJS 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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
l
denotes the specifications which apply over the full operating temperature 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 l 3 3.6 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching l 450 600 µA VBD = 0, Not Switching 1.3 1.7 mA Quiescent Current from BD VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching l 0.9 1.3 mA VBD = 0, Not Switching 1 5 µA Minimum Bias Voltage (BD Pin) 2.7 3 V 1912fa 2 Document Outline Features Applications Description 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 ...36V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...56V LT1912E .. –40°C to 125°C BOOST Pin Above SW Pin ...30V Storage Temperature Range .. –65°C to 150°C FB, RT, VC Voltage ...5V Lead Temperature (Soldering, 10 sec) BD, SYNC Voltage ...30V MSE Only ..300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW BD 1 10 RT BD 1 10 R BOOST 2 9 V T C BOOST 2 9 V 11 C 11 SW 3 8 SW 3 8 FB GND FB GND V VIN 4 7 N/C IN 4 7 N/C RUN/SS 5 6 SYNC RUN/SS 5 6 SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB JA = 45°C/W, JC = 10°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
LT1912EDD#PBF LT1912EDD#TRPBF LDJT 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT1912EMSE#PBF LT1912EMSE#TRPBF LTDJS 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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
l
denotes the specifications which apply over the full operating temperature 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 l 3 3.6 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching l 450 600 µA VBD = 0, Not Switching 1.3 1.7 mA Quiescent Current from BD VRUN/SS = 0.2V 0.01 0.5 µA VBD = 3V, Not Switching l 0.9 1.3 mA VBD = 0, Not Switching 1 5 µA Minimum Bias Voltage (BD Pin) 2.7 3 V 1912fa 2 Document Outline Features Applications Description 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