Datasheet LT8640, LT8640-1 (Analog Devices) - 2

LT8640/LT8640-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..25V FB, TR/SS . ...4V SYNC Voltage . ..6V FB PG GND SYNC/MODE 20 19 18 17 Operating Junction Temperature Range (Note 2) LT8640E/LT8640-1E .. –40°C to 125°C BIAS 1 16 TR/SS LT8640I/LT8640-1I .. –40°C to 125°C INTVCC 2 15 RT LT8640H/LT8640-1H ... –40°C to 150°C BST 3 14 EN/UV 22 Storage Temperature Range ..–65 to 150°C VIN1 4 13 V SW IN2 21 GND1 6 SW 11 GND2 7 8 9 10 SW SW GND1 GND2 UDC AND UDCF PACKAGES 18-LEAD (3mm × 4mm) PLASTIC QFN θJA = 40°C/W, θJC(PAD) = 12°C/W (Note 3) EXPOSED PAD (PINS 21, 22) ARE SW, SHOULD BE SOLDERED TO PCB NOTE: PINS 5 AND 12 ARE REMOVED. CONFIGURATION DOES
NOT
MATCH JEDEC 20-LEAD PACKAGE OUTLINE
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8640EUDC#PBF LT8640EUDC#TRPBF LGNJ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8640IUDC#PBF LT8640IUDC#TRPBF LGNJ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8640HUDC#PBF LT8640HUDC#TRPBF LGNJ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 150°C LT8640EUDC-1#PBF LT8640EUDC-1#TRPBF LGVT 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8640IUDC-1#PBF LT8640IUDC-1#TRPBF LGVT 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8640HUDC-1#PBF LT8640HUDC-1#TRPBF LGVT 18-Lead (3mm × 4mm) Plastic QFN –40°C to 150°C LT8640EUDCF#PBF LT8640EUDCF#TRPBF LHJK 18-Lead (3mm × 4mm) Plastic Side –40°C to 125°C Wettable QFN LT8640IUDCF#PBF LT8640IUDCF#TRPBF LHJK 18-Lead (3mm × 4mm) Plastic Side –40°C to 125°C Wettable QFN LT8640EUDCF-1#PBF LT8640EUDCF-1#TRPBF LHGX 18-Lead (3mm × 4mm) Plastic Side –40°C to 125°C Wettable QFN LT8640IUDCF-1#PBF LT8640IUDCF-1#TRPBF LHGX 18-Lead (3mm × 4mm) Plastic Side –40°C to 125°C Wettable QFN 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. Rev.C 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts