Datasheet LT3663 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 1.2A Step-Down Switching Regulator with Output Current Limit |
| Pages / Page | 16 / 3 — orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE … |
| File Format / Size | PDF / 354 Kb |
| Document Language | English |
orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE DESCRIPTION. TEMPERATURE RANGE
Model Line for this Datasheet
- LT3663EDCB#PBF LT3663EDCB#TRMPBF LT3663EDCB#TRPBF LT3663EDCB-3.3#PBF LT3663EDCB-3.3#TRMPBF LT3663EDCB-3.3#TRPBF LT3663EDCB-5#TRMPBF LT3663EDCB-5#TRPBF LT3663EMS8E#PBF LT3663EMS8E#TRPBF LT3663EMS8E-3.3#PBF LT3663EMS8E-3.3#TRPBF LT3663EMS8E-5#PBF LT3663EMS8E-5#TRPBF LT3663HMS8E#PBF LT3663HMS8E#TRPBF LT3663HMS8E-3.3#PBF LT3663HMS8E-3.3#TRPBF LT3663HMS8E-5#PBF LT3663HMS8E-5#TRPBF LT3663IDCB#PBF LT3663IDCB#TRMPBF LT3663IDCB#TRPBF LT3663IDCB-5#TRMPBF LT3663IDCB-5#TRPBF LT3663IMS8E#PBF LT3663IMS8E#TRPBF LT3663IMS8E-3.3#PBF LT3663IMS8E-3.3#TRPBF LT3663IMS8E-5#PBF LT3663IMS8E-5#TRPBF
Text Version of Document
LT3663
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3663IMS8E-5#PBF LT3663IMS8E-5#TRPBF LTFMZ 8-Lead Plastic MSOP –40°C to 125°C LT3663HMS8E-5#PBF LT3663HMS8E-5#TRPBF LTFMZ 8-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
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, RILIM = 36.5k unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Undervoltage Lockout Rising l 7 7.5 V VIN Undervoltage Lockout Hysteresis 500 mV VIN Overvoltage Lockout Rising l 36 39 41 V VIN Overvoltage Lockout Hysteresis 1 V VIN Supply Current Not Switching 2.4 3.2 mA VIN Supply Current in Shutdown VRUN = 0V 0.01 2 µA Run Input Voltage High 2.5 V Run Input Voltage Low 0.3 V Run Pin Bias Current VRUN = 2.3V (Note4) 6 15 µA VRUN = 0V 0.01 0.1 µA VOUT Current Limit Range l 0.4 1.2 A VOUT Current Limit l 0.8 1 1.2 A Operating Frequency LT3663 1350 1500 1650 kHz LT3663-X 900 1000 1100 kHz Maximum Duty Cycle l 80 92 % Feedback Voltage LT3663 l 784 800 816 mV FB Bias Current VFB = 0.8V, LT3663 50 150 nA Regulated Output Voltage LT3663-3.3 l 3.234 3.3 3.366 V LT3663-5 l 4.900 5 5.100 V VOUTS Bias Current LT3663-X 90 120 µA Switch Peak Current Limit (Note 5) l 1.6 2 2.5 A Switch VCESAT ISW = 1A 275 mV Minimum BOOST Voltage ISW = 1A (Note 6) 1.85 2.2 V Boost Diode Drop IDIODE = 60mA 0.9 1.2 V Boost Pin Current ISW = 1A 28 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings are guaranteed over the full –40°C to 125°C temperature range. The may cause permanent damage to the device. Exposure to any Absolute LT3663H specifications are guaranteed over the –40°C to 150°C operating Maximum Rating condition for extended periods may affect device temperature range. High junction temperatures degrade operating reliability and lifetime. lifetimes. Operating lifetime is derated at junction temperatures greater
Note 2:
Absolute Maximum Voltage at V than 125°C. IN and RUN pins is 60V for nonrepetitive 1 second transients.
Note 4:
Current flows into pin.
Note 3:
The LT3663E is guaranteed to meet performance specifications
Note 5:
Switch Peak Current Limit guaranteed by design and/or correlation from 0°C to 125°C. Specifications over the –40°C to 125°C operating to static test. temperature range are assured by design, characterization, and
Note 6:
This is the minimum voltage across the boost capacitor needed to correlation with statistical process controls. The LT3663I specifications guarantee full saturation of the switch. 3663fc For more information For more information www.linear.com/LT3663 3 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Operation Applications Information Package Description
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3663IMS8E-5#PBF LT3663IMS8E-5#TRPBF LTFMZ 8-Lead Plastic MSOP –40°C to 125°C LT3663HMS8E-5#PBF LT3663HMS8E-5#TRPBF LTFMZ 8-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
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, RILIM = 36.5k unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Undervoltage Lockout Rising l 7 7.5 V VIN Undervoltage Lockout Hysteresis 500 mV VIN Overvoltage Lockout Rising l 36 39 41 V VIN Overvoltage Lockout Hysteresis 1 V VIN Supply Current Not Switching 2.4 3.2 mA VIN Supply Current in Shutdown VRUN = 0V 0.01 2 µA Run Input Voltage High 2.5 V Run Input Voltage Low 0.3 V Run Pin Bias Current VRUN = 2.3V (Note4) 6 15 µA VRUN = 0V 0.01 0.1 µA VOUT Current Limit Range l 0.4 1.2 A VOUT Current Limit l 0.8 1 1.2 A Operating Frequency LT3663 1350 1500 1650 kHz LT3663-X 900 1000 1100 kHz Maximum Duty Cycle l 80 92 % Feedback Voltage LT3663 l 784 800 816 mV FB Bias Current VFB = 0.8V, LT3663 50 150 nA Regulated Output Voltage LT3663-3.3 l 3.234 3.3 3.366 V LT3663-5 l 4.900 5 5.100 V VOUTS Bias Current LT3663-X 90 120 µA Switch Peak Current Limit (Note 5) l 1.6 2 2.5 A Switch VCESAT ISW = 1A 275 mV Minimum BOOST Voltage ISW = 1A (Note 6) 1.85 2.2 V Boost Diode Drop IDIODE = 60mA 0.9 1.2 V Boost Pin Current ISW = 1A 28 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings are guaranteed over the full –40°C to 125°C temperature range. The may cause permanent damage to the device. Exposure to any Absolute LT3663H specifications are guaranteed over the –40°C to 150°C operating Maximum Rating condition for extended periods may affect device temperature range. High junction temperatures degrade operating reliability and lifetime. lifetimes. Operating lifetime is derated at junction temperatures greater
Note 2:
Absolute Maximum Voltage at V than 125°C. IN and RUN pins is 60V for nonrepetitive 1 second transients.
Note 4:
Current flows into pin.
Note 3:
The LT3663E is guaranteed to meet performance specifications
Note 5:
Switch Peak Current Limit guaranteed by design and/or correlation from 0°C to 125°C. Specifications over the –40°C to 125°C operating to static test. temperature range are assured by design, characterization, and
Note 6:
This is the minimum voltage across the boost capacitor needed to correlation with statistical process controls. The LT3663I specifications guarantee full saturation of the switch. 3663fc For more information For more information www.linear.com/LT3663 3 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Operation Applications Information Package Description
