Datasheet LT3798 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Isolated No Opto-Coupler Flyback Controller with Active PFC |
| 页数 / 页 | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 文件格式/大小 | PDF / 423 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LT3798
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
EN/UVLO ...30V TOP VIEW V CTRL1 1 16 VIN_SENSE IN ..42V CTRL2 2 15 SENSE INTV CTRL3 3 14 GATE CC ..12V VREF 4 17 13 INTVCC CTRL1, CTRL2, CTRL3 ..4V OVP 5 GND 12 EN/UVLO V 6 C 11 VIN FB, V COMP+ 7 10 DCM REF, COMP+ ..3V COMP– 8 9 FB VC, OVP, COMP– ...4V MSE PACKAGE SENSE ..0.4V 16-LEAD PLASTIC MSOP V θJA = 50°C/W, θJC = 10°C/W IN_SENSE ...1mA EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB DCM ...±3mA Operating Temperature Range (Note 2) LT3798E/LT3798I... –40°C to 125°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3798EMSE#PBF LT3798EMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 125°C LT3798IMSE#PBF LT3798IMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 125°C LT3798HMSE#PBF LT3798HMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 150°C LT3798MPMSE#PBF LT3798MPMSE#TRPBF 3798 16-Lead Plastic MSOP –55°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. 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 = 18V, INTVCC = 11V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 10 38 V VIN Quiescent Current VEN/UVLO = 0.2V 45 60 70 µA VEN/UVLO = 1.5V, Not Switching 70 µA VIN Quiescent Current, INTVCC Overdriven VINTVCC = 11V 60 µA VIN Shunt Regulator Voltage I = 1mA 40 V VIN Shunt Regulator Current Limit 8 mA INTVCC Quiescent Current VEN/UVLO = 0.2V 12.5 15.5 17.5 µA VEN/UVLO = 1.5V, Not Switching 1.8 2.2 2.7 mA EN/UVLO Pin Threshold EN/UVLO Pin Voltage Rising l 1.21 1.25 1.29 V EN/UVLO Pin Hysteresis Current EN/UVLO=1V 8 10 12 µA VIN_SENSE Threshold Turn Off 27 µA VREF Voltage 0µA Load l 1.97 2.0 2.03 V 200µA Load l 1.95 1.98 2.03 V CTRL1/CTRL2/CTRL3 Pin Bias Current CTLR1/CTRL2/CTRL3 = 1V ±30 nA 3798fa 2 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
EN/UVLO ...30V TOP VIEW V CTRL1 1 16 VIN_SENSE IN ..42V CTRL2 2 15 SENSE INTV CTRL3 3 14 GATE CC ..12V VREF 4 17 13 INTVCC CTRL1, CTRL2, CTRL3 ..4V OVP 5 GND 12 EN/UVLO V 6 C 11 VIN FB, V COMP+ 7 10 DCM REF, COMP+ ..3V COMP– 8 9 FB VC, OVP, COMP– ...4V MSE PACKAGE SENSE ..0.4V 16-LEAD PLASTIC MSOP V θJA = 50°C/W, θJC = 10°C/W IN_SENSE ...1mA EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB DCM ...±3mA Operating Temperature Range (Note 2) LT3798E/LT3798I... –40°C to 125°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3798EMSE#PBF LT3798EMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 125°C LT3798IMSE#PBF LT3798IMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 125°C LT3798HMSE#PBF LT3798HMSE#TRPBF 3798 16-Lead Plastic MSOP –40°C to 150°C LT3798MPMSE#PBF LT3798MPMSE#TRPBF 3798 16-Lead Plastic MSOP –55°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. 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 = 18V, INTVCC = 11V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 10 38 V VIN Quiescent Current VEN/UVLO = 0.2V 45 60 70 µA VEN/UVLO = 1.5V, Not Switching 70 µA VIN Quiescent Current, INTVCC Overdriven VINTVCC = 11V 60 µA VIN Shunt Regulator Voltage I = 1mA 40 V VIN Shunt Regulator Current Limit 8 mA INTVCC Quiescent Current VEN/UVLO = 0.2V 12.5 15.5 17.5 µA VEN/UVLO = 1.5V, Not Switching 1.8 2.2 2.7 mA EN/UVLO Pin Threshold EN/UVLO Pin Voltage Rising l 1.21 1.25 1.29 V EN/UVLO Pin Hysteresis Current EN/UVLO=1V 8 10 12 µA VIN_SENSE Threshold Turn Off 27 µA VREF Voltage 0µA Load l 1.97 2.0 2.03 V 200µA Load l 1.95 1.98 2.03 V CTRL1/CTRL2/CTRL3 Pin Bias Current CTLR1/CTRL2/CTRL3 = 1V ±30 nA 3798fa 2 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts