The LTM4644 quad output step-down µModule regulator is configurable as a single (16-A), dual (12-A, 4-A or 8-A, 8-A), triple (8-A, 4-A, 4-A) or quad (4-A each) output regulator. It enables system designers to use one regulator for the variety of voltage and load current requirements of FPGAs, ASICs and microprocessors.
The LTM4644 regulator includes the dc/dc controllers, power switches, inductors and compensation components in a 9 x 15 x 5.01-mm BGA package. Only eight external ceramic capacitors (1206 or smaller case sizes) and four feedback resistors (0603 case size) are required to regulate four independently adjustable outputs between 0.6 to 5.5 V. Separate input pins enable the four channels to be powered from different or a common supply rail(s) from 4 to 14 V. The device suits communications, data storage, industrial, transportation and medical systems.
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