40A μModule regulator packaged with 3D stacked inductors enhanced heat transfer to reduce work temperature rise

Linear Technology Corporation launches 40A bucking μModule® (micro module) switching regulator LTM4636, which uses a small package of 3D structures, allowed to heat up faster and operate at a lower temperature. The LTM4636 stacked the inductor at the top of the 16mm x 16mm BGA package, which can benefit from the bare inductor used as a heat sink, allowing direct contact from the airflow to cool the device from any direction to cool the device. When the LTM4636 provides 40W (12VIN, 1 VOUT, 40A, 200LFM), the temperature is only 40 ° C higher than the ambient temperature. When the ambient temperature is as high as 83 ° C, a 40W full power can be provided, 20 W semi-power can be supported at ambient temperature of 110 ° C. The LTM4636 operates at 92%, 90% and 88% efficiency, providing 15A, 30A, and 40A current to 1V load (12vin). The μModule regulator is scalable, for example, 4 LTM4636 can provide 160W power when using parallel flow mode, while the temperature is only 40 ° C, the efficiency is 88% (12Vin, 1 Vout, 400LFM). The device height is 7.07 mm, including an inductor that is stacked on a 16mm x 16mm x 1.91mm BGA package. In addition to scattering heat from the top, the LTM4636 is designed to uniformly spread heat from the bottom of the package to the PCB, which has 144 BGA solder balls, and distributes these solder balls in the form of a large current. GND, VIN and VOUT. The LTM4636 μModule regulator combines the impressive DC / DC conversion efficiency and enhanced heat dissipation ability, although small packages, thermal performance has been improved, so system designers can benefit from this device. The LTM4636 operates within 4.7V to 15V input supply voltage range, and the output is adjusted to 0.6V to 3.3V. Within -40 ° C to 125 ° C, the total DC output voltage accuracy is ± 3%. Thousands of batch prices are $ 38.85 per piece. For more information, please log in: www.linear.com.cn/product/ltm4636. Photo Description: Scalable 40A Power POL Regulator with Stacked Induction Overview of performance: LTM4636 • Stacked inductors act as a radiator: a bare inductor (3D structure) at the top of the package • 4.7V to 15V input voltage • 0.6V to 3.3V output voltage, output current up to 40A • Scalable: 2 to 6 devices are parallel, provide 80A to 240A load current Search for "Love Bo.com" to pay attention, daily update development board, intelligent hardware, open source hardware, activities, etc., you can make you master. Recommended attention! [WeChat scanning picture can be directly paid] Related Reading: Intelligent hardware for hundreds of flowers, who is stronger from FPGA and GPU?

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