Datasheet LT3964 (Analog Devices) - 2

LT3964
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN1, VIN2, EN/UVLO ...40V TOP VIEW ISP1, ISN1, ISP2, ISN2 ..40V PWMTG1, PWMTG2, RT ...Note 2 SYNC/CLKOUT T SET V IN1 V IN1 NC SW1 SW1 BST1 SW1, SW2 ...40V 36 35 34 33 32 31 30 29 BST1, BST2 ..44.5V RT 1 28 ISP1 BST1 to SW1, BST2 to SW2 ..4.5V CTRL1 2 27 ISN1 FB1, FB2, CTRL1, CTRL2, ADDR1, ADDR2 ..5V CTRL2 3 26 PWMTG1 SYNC/CLKOUT, PWM1, PWM2, T EN/UVLO 4 25 SGND SET ..6V SDA, SCL, ALERT ..6V INTVCC 5 37 24 FB1 ALERT PGND 6 23 FB2 INTVCC ..Note 3 PWM1 7 22 SGND Operating Junction Temperature (Notes 4, 5) PWM2 8 21 PWMTG2 LT3964E/LT3964I .. –40°C to 125°C SDA 9 20 ISN2 LT3964H .. –40°C to 150°C SCL 10 19 ISP2 Storage Temperature Range .. –60°C to 150°C 11 12 13 14 15 16 17 18 V IN2 V IN2 NC SW2 SW2 BST2 ADDR2 ADDR1 UHE PACKAGE 36-LEAD (5mm × 6mm) PLASTIC QFN θJA = 43°C/W, θJC = 5°C/W EXPOSED PAD (PIN 37) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT3964#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3964EUHE#PBF LT3964EUHE#TRPBF 3964 36-Lead (5mm × 6mm) Plastic QFN –40°C to 125°C LT3964IUHE#PBF LT3964IUHE#TRPBF 3964 36-Lead (5mm × 6mm) Plastic QFN –40°C to 125°C LT3964HUHE#PBF LT3964HUHE#TRPBF 3964 36-Lead (5mm × 6mm) Plastic QFN –40°C to 150°C Consult ADI Marketing for parts specified with wider operating temperature ranges. 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. 3964fb 2 For more information www.linear.com/LT3964