The LTM4644EY#PBF is IC REG BUCK ADJ 4A QD SYNC 77BGA, that includes μModuleR Series, they are designed to operate with a Non-Isolated PoL Module Type, Packaging is shown on datasheet note for use in a Tray, that offers Package Case features such as 77-BGA, it has an Operating Temperature range of -40°C ~ 125°C, as well as the Surface Mount Mounting Type, the device can also be used as OCP, OTP, OVP Features. In addition, the Size Dimension is 0.59" L x 0.35" W x 0.19" H (15.0mm x 9.0mm x 4.9mm), the device is offered in ITE (Commercial) Applications, the device has a 4 of Number of Outputs, and Current Output Max is 4A, 4A, 4A, 4A, and the Voltage Input Min is 4V, and Voltage Input Max is 14V, and the Voltage Output 1 is 0.6 ~ 5.5 V, and Voltage Output 2 is 0.6 ~ 5.5 V, and the Voltage Output 3 is 0.6 ~ 5.5 V, and Efficiency is .

LTM4642IY with user guide, that includes 0.6 ~ 5.5 V Voltage Output 2, they are designed to operate with a 0.6 ~ 5.5 V Voltage Output 1, Voltage Input Min is shown on datasheet note for use in a 4.5V, that offers Voltage Input Max features such as 20V, Type is designed to work in Non-Isolated PoL Module, as well as the 0.44" L x 0.35" W x 0.19" H (11.3mm x 9.0mm x 4.9mm) Size Dimension, the device can also be used as μModuleR Series. In addition, the Packaging is Tray, the device is offered in 56-BGA Package Case, it has an Operating Temperature range of -40°C ~ 125°C, and Number of Outputs is 2, and the Mounting Type is Surface Mount, and Features is OCP, OVP, UVLO, and the Efficiency is , and Current Output Max is 4A, 4A, and the Applications is ITE (Commercial).

LTM4642IY#PBF with circuit diagram, that includes ITE (Commercial) Applications, they are designed to operate with a 4A, 4A Current Output Max, Efficiency is shown on datasheet note for use in a , that offers Features features such as OCP, OVP, UVLO, Mounting Type is designed to work in Surface Mount, as well as the 2 Number of Outputs, it has an Operating Temperature range of -40°C ~ 125°C. In addition, the Package Case is 56-BGA, the device is offered in Tray Packaging, the device has a μModuleR of Series, and Size Dimension is 0.44" L x 0.35" W x 0.19" H (11.3mm x 9.0mm x 4.9mm), and the Type is Non-Isolated PoL Module, and Voltage Input Max is 20V, and the Voltage Input Min is 4.5V, and Voltage Output 1 is 0.6 ~ 5.5 V, and the Voltage Output 2 is 0.6 ~ 5.5 V.

LTM4643IV#PBF with EDA / CAD Models manufactured by Linear. The LTM4643IV#PBF is available in LGA Package, is part of the IC Chips, Non-Isolated PoL Module DC DC Converter 4 Output 0.6 ~ 3.3 V 0.6 ~ 3.3 V 0.6 ~ 3.3 V 3A, 3A, 3A, 3A 4V - 20V Input, Conv DC-DC 4V to 20V Step Down Quad-Out 0.6V to 3.3V 3A uModule 77-Pin LGA Tray.