STEVAL-ISA132V1

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产品概述

描述

The STEVAL-ISA132V1 evaluation board implements a converter capable of delivering 170 W of continuous power (V_IN = 190 VAC to 264 VAC, V_OUT = 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. High efficiency at full load (> 92%) and no load (< 0.6 W) is obtained thanks to the STB13N60M2 (600 V, 0.35 W typ., 11 A) MDmesh M2 power MOSFET in the half-bridge, and the STPS20H100CG (V_RRM = 100 V, I_F(AV) = 2 x 10 A) Schottky diode for secondary rectification.

所有功能
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
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