LT8613 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) VIN, EN/UV, PG, ISP, ISN ...42V TOP VIEW BIAS ..25V ICTRL IMON ISN ISP BST Pin Above SW Pin..4V 28 27 26 25 FB, TR/SS, RT, INTV SYNC 1 24 FB CC, IMON, ICTRL. ..4V SYNC Voltage . ..6V TR/SS 2 23 PG RT 3 22 BIAS Operating Junction Temperature Range (Note 2) EN/UV 4 21 INTVCC LT8613E ... –40°C to 125°C VIN 5 29 20 BST LT8613I .. –40°C to 125°C GND VIN 6 19 SW V 7 18 SW Storage Temperature Range .. –65°C to 150°C IN 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 LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT8613EUDE#PBF LT8613EUDE#TRPBF LGHX 28-Lead (3mm × 6mm) Plastic QFN –40°C to 125°C LT8613IUDE#PBF LT8613IUDE#TRPBF LGHX 28-Lead (3mm × 6mm) Plastic QFN –40°C to 125°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. ELECTRICAL CHARACTERISTICSThe l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C.PARAMETERCONDITIONSMINTYPMAXUNITS 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 2.0 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 BIAS Pin Current Consumption VBIAS = 3.3V, ILOAD = 2A, 2MHz 14 mA Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts