STMicroelectronics Evaluation Board Power Management for L6563H, L6699 for Portable Computer Power Adapter

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RS Stock No.:
196-1858
Mfr. Part No.:
STEVAL-ISA138V1
Brand:
STMicroelectronics
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Brand

STMicroelectronics

Power Management Function

Power Management

Product Type

Power Management Development Kit

For Use With

Portable Computer Power Adapter

Kit Classification

Evaluation Board

Featured Device

L6563H, L6699

Kit Name

Evaluation Board

Standards/Approvals

RoHS

The STEVAL-ISA138V1 solution evaluation board is a 90 W, wide-range mains, power-factor corrected, AC-DC adapter. Its electrical specifications are tailored to a typical hi-end portable computer power adapter. The architecture is based on a two-stage approach: a front-end PFC pre-regulator based on the L6563H TM PFC controller and a downstream LLC resonant half bridge converter using the new L6699 resonant controller. Thanks to the chipset used, the main features of this design are very high overall efficiency and high efficiency even at light load. No load input power consumption is very low also, well within the international regulation limits.

The controller of the LLC stage is the L6699, integrating innovative functions such as self-adjusting adaptive dead-time, anti-capacitive mode protection and proprietary "safe-start" procedure to prevent hard switching at startup.

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