STMicroelectronics EVL4986A-1KWBL Demonstration Board
STMicroelectronics EVL4986A-1KWBL Demonstration Board is a bridgeless PFC pre-regulator, double boost topology, featuring 1kW output power (400 Vdc). It also features a wide input voltage range (90Vac-265 Vac), based on the L4986A peak current mode CCM power factor controller. EVL4986A-1KWBL is intended as a front-end converter up to 1kW, able to be compliant with IEC61000-3-2 and JEITA-MITI. The demo is designed on the double boost (Barbi) topology using two branches, each consisting of a boost stage, managing half mains cycle. Each section operates at an almost a fixed frequency (65kHz).
Features
- Input mains range: 90 to 265 Vac - frequency 45 to 65Hz
- Output voltage / load: 400V/2.5A
- Efficiency:above 98% at 230Vac (full load)
- above 95.5% at 115Vac (full load)
- above 94% between 10% and 100% of full load
- No load mains consumption: below 250mW at 230Vac
- Mains harmonics in compliance with EN61000-3-2 Class-A and JEITA-MITI, Class-A
- EMI in accordance with EN55022 Class-B
- Safety in accordance with EN62368
- Dimensions 145 x 160mm, height = 35mm
- PCB: double sided, 70µm, FR-4, mixed PTH/SMT
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Đã phát hành: 2022-06-06
| Đã cập nhật: 2022-06-15