Datasheet LT8611 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 42V, 2.5A Synchronous Step-Down Regulator with Current Sense and 2.5μA Quiescent Current |
| Pages / Page | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 343 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LT8611#orderinfo
Model Line for this Datasheet
Text Version of Document
LT8611
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG, ISP, ISN ...42V TOP VIEW BIAS ..30V ICTRL IMON ISN ISP BST Pin Above SW Pin..4V 24 23 22 21 FB, TR/SS, RT, INTVCC, IMON, ICTRL. ..4V SYNC 1 20 FB SYNC Voltage . ..6V TR/SS 2 19 PG Operating Junction Temperature Range (Note 2) RT 3 18 BIAS LT8611E ... –40 to 125°C EN/UV 4 25 17 INTVCC LT8611I .. –40 to 125°C VIN 5 GND 16 BST V 6 Storage Temperature Range ..–65 to 150°C IN 15 SW PGND 7 14 SW PGND 8 13 SW 9 10 11 12 NC NC NC NC UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 40°C/W, θJC(PAD) = 5°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT8611#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8611EUDD#PBF LT8611EUDD#TRPBF LGBR 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8611IUDD#PBF LT8611IUDD#TRPBF LGBR 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.9 3.4 V VIN Quiescent Current VEN/UV = 0V, VSYNC = 0V 1.0 3 µA l 1.0 8 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 4 µA l 1.7 10 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.46 2 mA VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 24 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA Feedback Reference Voltage VIN = 6V, ILOAD = 0.5A 0.967 0.970 0.973 V VIN = 6V, ILOAD = 0.5A l 0.956 0.970 0.984 V Feedback Voltage Line Regulation VIN = 4.0V to 42V, ILOAD = 0.5A l 0.004 0.02 %/V Feedback Pin Input Current VFB = 1V –20 20 nA INTVCC Voltage ILOAD = 0mA, VBIAS = 0V 3.23 3.4 3.57 V ILOAD = 0mA, VBIAS = 3.3V 3.25 3.29 3.35 V 8611fa 2 For more information www.linear.com/LT8611 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 Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG, ISP, ISN ...42V TOP VIEW BIAS ..30V ICTRL IMON ISN ISP BST Pin Above SW Pin..4V 24 23 22 21 FB, TR/SS, RT, INTVCC, IMON, ICTRL. ..4V SYNC 1 20 FB SYNC Voltage . ..6V TR/SS 2 19 PG Operating Junction Temperature Range (Note 2) RT 3 18 BIAS LT8611E ... –40 to 125°C EN/UV 4 25 17 INTVCC LT8611I .. –40 to 125°C VIN 5 GND 16 BST V 6 Storage Temperature Range ..–65 to 150°C IN 15 SW PGND 7 14 SW PGND 8 13 SW 9 10 11 12 NC NC NC NC UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 40°C/W, θJC(PAD) = 5°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT8611#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8611EUDD#PBF LT8611EUDD#TRPBF LGBR 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8611IUDD#PBF LT8611IUDD#TRPBF LGBR 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.9 3.4 V VIN Quiescent Current VEN/UV = 0V, VSYNC = 0V 1.0 3 µA l 1.0 8 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 4 µA l 1.7 10 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.46 2 mA VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 24 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA Feedback Reference Voltage VIN = 6V, ILOAD = 0.5A 0.967 0.970 0.973 V VIN = 6V, ILOAD = 0.5A l 0.956 0.970 0.984 V Feedback Voltage Line Regulation VIN = 4.0V to 42V, ILOAD = 0.5A l 0.004 0.02 %/V Feedback Pin Input Current VFB = 1V –20 20 nA INTVCC Voltage ILOAD = 0mA, VBIAS = 0V 3.23 3.4 3.57 V ILOAD = 0mA, VBIAS = 3.3V 3.25 3.29 3.35 V 8611fa 2 For more information www.linear.com/LT8611 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 Typical Application Related Parts
