Datasheet LT3746 (Analog Devices) - 2

LT3746
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
VIN .. 57V TOP VIEW CAP ... VIN – 8V to VIN TE GATE ..CAP to V I SET T SET V IN GA CAP ISP ISN FB SS RT IN LED00 to LED31, ISP, ISN ...13V 56 55 54 53 52 51 50 49 48 47 EN/UVLO 1 46 SYNC ISP ...ISN – 1V to ISN + 1V LED15 2 45 LED16 FB, RT, TSET, ISET ... 2V LED14 3 44 LED17 VCC ...–0.3V to 6V LED13 4 43 LED18 SCKI, SCKO, SDI, SDO, LDI, LDO, PWMCK, SYNC, LED12 5 42 LED19 SS, EN/UVLO ... –0.3V to V LED11 6 41 LED20 CC Operating Junction Temperature Range LED10 7 40 LED21 (Notes 2, 3) ..–40°C to 125°C LED09 8 39 LED22 LED08 9 38 LED23 Storage Temperature Range ..–65°C to 125°C 57 GND LED07 10 37 LED24 LED06 11 36 LED25 LED05 12 35 LED26 LED04 13 34 LED27 LED03 14 33 LED28 LED02 15 32 LED29 LED01 16 31 LED30 LED00 17 30 LED31 GND 18 29 GND 19 20 21 22 23 24 25 26 27 28 SCKI GND SDI LDI V CC LDO SDO GND SCKO PWMCK UHH PACKAGE 56-LEAD (5mm × 9mm) PLASTIC QFN TJMAX = 125°C, θJA = 32°C/W, θJC = 2.0°C/W EXPOSED PAD (PIN 57) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3746EUHH#PBF LT3746EUHH#TRPBF 3746 56-Lead (5mm × 9mm) Plastic QFN –40°C to 125°C LT3746IUHH#PBF LT3746IUHH#TRPBF 3746 56-Lead (5mm × 9mm) 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. 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/ 3746fa 2 For more information www.linear.com/3746 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Pin Functions Block Diagram Applications Information Typical Application Related Parts