Datasheet LT8612 (Analog Devices) - 2

LT8612
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..25V FB, TR/SS . ...4V NC NC NC NC 28 27 26 25 SYNC Voltage . ..6V SYNC 1 24 FB Operating Junction Temperature Range (Note 2) TR/SS 2 23 PG LT8612E ... –40°C to 125°C RT 3 22 BIAS LT8612I .. –40°C to 125°C EN/UV 4 21 INTVCC Storage Temperature Range .. –65°C to 150°C VIN 5 29 20 BST GND VIN 6 19 SW VIN 7 18 SW PGND 8 17 SW PGND 9 16 SW PGND 10 15 SW 11 12 13 14 GND GND GND GND UDE PACKAGE 28-LEAD (3mm × 6mm) PLASTIC QFN θJA = 40°C/W, θJC(PAD) = 5°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT8612#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8612EUDE#PBF LT8612EUDE#TRPBF LGHW 28-Lead (3mm × 6mm) Plastic QFN –40°C to 125°C LT8612IUDE#PBF LT8612IUDE#TRPBF LGHW 28-Lead (3mm × 6mm) 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 5 µA l 1.0 20 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 6 µA l 1.7 20 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.3 0.6 mA VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 24 60 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 230 370 µA Feedback Reference Voltage VIN = 12V, ILOAD = 500mA 0.964 0.970 0.976 V VIN = 12V, ILOAD = 500mA l 0.958 0.970 0.982 V Feedback Voltage Line Regulation VIN = 4.0V to 25V, ILOAD = 0.5A l 0.004 0.025 %/V Feedback Pin Input Current VFB = 1V –20 0.5 20 nA 8612fa 2 For more information www.linear.com/LT8612 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts