STMicroelectronics EVL150W-HVSL Evaluation Board
STMicroelectronics EVL150W-HVSL Evaluation Board is an evaluation board of a 150W / 1A LED driver with a wide input mains range. The electrical specifications are tailored to a typical high-power street lighting application. The STMicroelectronics board is based on a two-stage architecture consisting of a front-end PFC pre-regulator and a downstream half-bridge resonant tank converter. The pre-regulator is a transition mode PFC based on constant ON time control. The resonant converter is an LCC tank that is more suitable than an LLC tank to build a current source.
Features
- 90 to 264VAC - frequency 45 to 65Hz universal input mains range
- LCC half-bridge topology
- 150V at 1A continuous operation maximum output voltage and current
- < 0.5W no-load mains consumption
- THD < 10% at 230VAC from 25 to 100% of the full load
- No need for auxiliary SMPS (viper or equivalent)
- > 91% at full load efficiency
- No electrolytic capacitors are needed for long-term reliability
- Within EN55022-Class-C limits conducted EMC
- Meets EN60950 safety
- Analog, resistive, PWM (open collector) dimming
- Constant current and constant voltage feedback loops
- LED short-circuit, LED string open, regulation loop failure protections
- 69mm x 157mm, 28mm components maximum height dimensions
- Double side, 70μm, FR-4, mixed PTH/SMT PCB
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STMicroelectronics Standard Products
A broad range of drop-in replacements for general-purpose analog ICs, discretes, and serial EEPROMs.
Inilathala: 2019-06-21
| Na-update: 2024-03-08