Datasheet LT3992 (Analog Devices) - 2

LT3992
absoluTe MaxiMuM raTings (Note 1)
VIN1/2, SHDN1/2, CMPO1/2 ...60V VC1/2, TJ ..±100µA SW1/2 ..VIN1/2 Operating Junction Temperature Range (Note 2) BST1/2 ..75V LT3992EUH .. –40°C to 125°C BST1/2 Pin Above SW1/2 ..25V LT3992IUH ... –40°C to 125°C IND1/2, VOUT1/2 ...60V LT3992EFE ... –40°C to 125°C FB1/2, CMPI1/2, SS1/2 ..5V LT3992IFE .. –40°C to 125°C RT/SYNC ...5V LT3992HFE .. –40°C to 150°C DIV, ILIM1/2 ...2.5V Storage Temperature Range .. –65°C to 150°C
pin conFiguraTion
TOP VIEW NC 1 38 SW1 IND1 2 37 NC TOP VIEW NC 3 36 VIN1 V OUT1 DNC* IND1 DNC* SW1 V IN1 SHDN1 SS1 V 4 35 OUT1 SHDN1 32 31 30 29 28 27 26 25 NC 5 34 SS1 BST1 1 24 ILIM1 BST1 6 33 ILIM1 CMPO1 2 23 VC1 CMPO1 7 32 VC1 CMPI1 3 22 RT/SYNC CMPI1 8 31 NC FB1 4 FB1 9 RT/SYNC 33 21 CLKOUT 30 FB2 5 GND 20 TJ NC 10 39 29 CLKOUT GND CMPI2 6 19 DIV FB2 11 28 TJ CMPO2 7 18 VC2 CMPI2 12 27 DIV BST2 8 17 ILIM2 CMPO2 13 26 VC2 9 10 11 12 13 14 15 16 BST2 14 25 ILIM2 NC 15 24 SS2 SS2 V OUT2 DNC* IND2 DNC* SW2 V IN2 SHDN2 V 16 23 OUT2 SHDN2 UH PACKAGE NC 17 22 V 32-LEAD (5mm × 5mm) PLASTIC QFN IN2 IND2 18 21 NC θJA = 44°C/W, θJC(PAD) = 7.3°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB NC 19 20 SW2 *DO NOT CONNECT FE PACKAGE 38-LEAD PLASTIC TSSOP θJA = 17.5°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3992EUH#PBF LT3992EUH#TRPBF 3992 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LT3992IUH#PBF LT3992IUH#TRPBF 3992 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LT3992EFE#PBF LT3992EFE#TRPBF LT3992FE 38-Lead Plastic TSSOP –40°C to 125°C LT3992IFE#PBF LT3992IFE#TRPBF LT3992FE 38-Lead Plastic TSSOP –40°C to 125°C LT3992HFE#PBF LT3992HFE#TRPBF LT3992FE 38-Lead Plastic TSSOP –40°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. Consult LTC Marketing for information on non-standard lead based finish parts. 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/ 3992fa 2 For more information www.linear.com/LT3992 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts