The Vishay SIC402BCD-T1-GE3 is a dual-output power management IC from the microBUCK® family that packs a 10A synchronous buck converter and a separate 200mA linear regulator into a single PowerPAK® MLP55-32 package. The buck channel delivers 0.6V to 5.5V at 10A from a 3V to 28V input bus, while the LDO provides an adjustable auxiliary rail down to 0.75V. This combination suits point-of-load rails that need a high-current core supply plus a low-current always-on or analog bias rail in the same footprint.
10A buck plus 200mA LDO — what the dual outputs mean for your BOM
The 10A synchronous buck (Output 1) handles the main processor, FPGA core, or memory rail where efficiency and thermal performance matter. Its output range from 0.6V to 5.5V covers the common sub-1V core voltages through 3.3V and 5V I/O rails. The 200mA LDO (Output 2) is sized for a standby supply, RTC bias, or analog reference that needs clean regulation — its adjustable output down to 0.75V gives flexibility without adding a second discrete regulator. Having both in one package saves board area and simplifies procurement to a single line item.
Switching frequency range and industrial temperature rating
Lower frequencies reduce switching losses for high step-down ratios; higher frequencies shrink the magnetics for dense layouts.
Package and thermal handling — PowerPAK MLP55-32
The package is surface-mount only, and the exposed pad footprint is critical for both thermal dissipation and mechanical reliability.