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Description

The STEVAL-ISA132V1 evaluation board implements a converter capable of delivering 170 W of continuous power (VIN = 190 VAC to 264 VAC, VOUT = 24 V) and more than 300 W peak power for a limited time. The architecture of the board is based on a single-stage LLC resonant converter without PFC using the new L6699 resonant controller. The L6699 integrates some very innovative functions such as self-adjusting adaptive dead-time, anti-capacitive mode protection and proprietary “safe-start” procedure preventing hard switching at startup.

Features

● Input mains range: 190 to 264 VAC - frequency 50 Hz

● Output voltage: 24 V 5

● No-load consumption: < 0.6 W

● Efficiency @ 230 VAC > 92

● EMI: within EN55022 Class-B limits conducted pre-compliance

● Safety: meets EN60950-1

● Dimensions: 90 x 90 mm, 50 mm component maximum height

● Safe startup procedure to avoid hard switching

● Hard switching prevention in overload condition and low load condition

● Burst mode in low load condition with smooth restart to prevent audible noise

● Evaluation board can deliver more than 300 W peak power for a limited time by a thermal protection NTC positioned near output diodes

● Continuous power at 30 °C ambient temperature:170 W

● The power MOSFETs and diodes are both in D2PAK packages

● RoHS compliant