April 2015

DocID027701 Rev 1

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STEVAL-ISA170V1

12 V - 150 W resonant converter with synchronous rectification

based on L6563H, L6699 and SRK2001

Data brief

Features



Universal input mains range: from 90 to 264

Vac; 45 to 66 Hz



12 V - 150 W continuous output power



Light load: according to EuP Lot 6 Tier 2



Average efficiency > 91% in accordance



No load consumption < 0.15 W at 230 Vac,

in accordance with European CoC ver. 5

Tier 2



EMI: in accordance with EN55022 Class-B



Safety: in accordance with EN60950



PCB: double side, 70 µm, FR-4, mixed

PTH/SMT



Board size: 65 x 154 mm, 28 mm height



RoHS compliant

Description

STEVAL-ISA170V1 is a 150 W converter tailored

to a typical specification for an all-in-one (AIO)

computer power supply or a high 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 L6699 resonant controller.

The L6699 integrates some very innovative

functions such as self-adjusting adaptive dead-

time, anti-capacitive mode protection and a

proprietary “safe-start” procedure that prevents

hard switching at startup. The innovative adaptive

synchronous rectification controller SRK2001

allows maximum efficiency in all load conditions.

Thanks to the chipset used, the main feature of

this power supply is its very high efficiency, which

criteria for adapters and computers. The power

supply also has very good efficiency at light load,

and compliance with EuP Lot 6 Tier 2

requirements. No load input power consumption

is very low as well, and within the international

regulation limits.