BA = 11C/W, JA = 10C/W VALUES PER JESD 51-12 WEIGHT = 1.9g ORDER INFORMATION PART MARKING* PART NUMBER PAD OR BALL FINISH LTM4644EY#PBF SAC305 (RoHS) DEVICE FINISH CODE PACKAGE TYPE MSL RATING LTM4644Y e1 BGA 3 TEMPERATURE RANGE (SEE NOTE 2) -40C to 125C LTM4644IY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -40C to 125C LTM4644MPY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -55C to 125C LTM4644IY SnPb (63/37) LTM4644Y e0 BGA 3 -40C to 125C LTM4644MPY SnPb (63/37) LTM4644EY-1#PBF SAC305 (RoHS) LTM4644Y e0 BGA 3 -55C to 125C LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1#PBF SAC305 (RoHS) LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1 SnPb (63/37) LTM4644Y-1 e0 BGA 3 -40C to 125C Note: The LTM4644-1 does not include the internal top feedback resistor. * Contact the factory for parts specified with wider operating temperature ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. * Recommended LGA and BGA PCB Assembly and Manufacturing Procedures * LGA and BGA Package and T

IGHT = 1.9g ORDER INFORMATION http://www.linear.com/product/LTM4644#orderinfo PART MARKING* PART NUMBER PAD OR BALL FINISH LTM4644EY#PBF SAC305 (RoHS) DEVICE FINISH CODE PACKAGE TYPE MSL RATING LTM4644Y e1 BGA 3 TEMPERATURE RANGE (SEE NOTE 2) -40C to 125C LTM4644IY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -40C to 125C LTM4644MPY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -55C to 125C LTM4644IY SnPb (63/37) LTM4644Y e0 BGA 3 -40C to 125C LTM4644MPY SnPb (63/37) LTM4644EY-1#PBF SAC305 (RoHS) LTM4644Y e0 BGA 3 -55C to 125C LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1#PBF SAC305 (RoHS) LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1 SnPb (63/37) LTM4644Y-1 e0 BGA 3 -40C to 125C Note: The LTM4644-1 does not include the internal top feedback resistor. Consult Marketing for parts specified with wider operating temperature ranges. *Device temperature grade is indicated by a label on the shipping container. Pad or ball finish code is per IPC/JEDEC J-STD-609. * Recommended LGA and B

(9mm x 15mm x 5.01mm) TJMAX = 125C, JCtop = 17C/W, JCbottom = 2.75C/W, JB + BA = 11C/W, JA = 10C/W VALUES PER JESD 51-12 WEIGHT = 1.9g ORDER INFORMATION PART MARKING* DEVICE FINISH CODE PACKAGE TYPE MSL RATING SAC305 (RoHS) LTM4644Y e1 BGA 3 -40C to 125C LTM4644IY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -40C to 125C LTM4644MPY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -55C to 125C LTM4644IY SnPb (63/37) LTM4644Y e0 BGA 3 -40C to 125C LTM4644MPY SnPb (63/37) LTM4644Y e0 BGA 3 -55C to 125C LTM4644EY-1#PBF SAC305 (RoHS) LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1#PBF SAC305 (RoHS) LTM4644Y-1 e1 BGA 3 -40C to 125C LTM4644IY-1 SnPb (63/37) LTM4644Y-1 e0 BGA 3 -40C to 125C PART NUMBER PAD OR BALL FINISH LTM4644EY#PBF TEMPERATURE RANGE (SEE NOTE 2) Note: The LTM4644-1 does not include the internal top feedback resistor. * Contact the factory for parts specified with wider operating temperature ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. * Recommended LGA a

BA = 11C/W, JA = 10C/W VALUES PER JESD 51-12 WEIGHT = 1.9g ORDER INFORMATION PART MARKING* PART NUMBER PAD OR BALL FINISH LTM4644EY#PBF SAC305 (RoHS) DEVICE FINISH CODE PACKAGE TYPE MSL RATING LTM4644Y e1 BGA 3 TEMPERATURE RANGE (SEE NOTE 2) -40C to 125C LTM4644IY#PBF SAC305 (RoHS) LTM4644Y e1 BGA 3 -40C to 125C LTM4644IY SnPb (63/37) LTM4644Y e0 BGA 3 -40C to 125C Consult Marketing for parts specified with wider operating temperature ranges. *Device temperature grade is indicated by a label on the shipping container. Pad or ball finish code is per IPC/JEDEC J-STD-609. * Recommended LGA and BGA PCB Assembly and Manufacturing Procedures: www.linear.com/umodule/pcbassembly * Terminal Finish Part Markings: www.linear.com/leadfree * Package and Tray Drawings: www.linear.com/packaging 4644fb 2 For more information www.linear.com/LTM4644 LTM4644 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are a