onsemi 1 kW, 50 V Output PSU
A high performance 1 kW, 50 V output reference design fully GaN based
High power density and high efficiency of 96.1% are met using innovative multimode Totem Pole PFC and high switching frequency 300 kHz half bridge LLC.
Features
- Full Load Efficiency 93.5%@ 110Vac; 95.7%@ 230Vac
- Dimension: 278x92.3x50 mm
- Constant Voltage Output with OCP at 21 A
- Incorporates auxiliary STDBY Power Supply
Benefits
- Multi-mode Totem Pole PFC operation NCP1681
- Primary Side LLC Controller NCP19334
- High performance integrated gate driver with GaN NCP58921, 50 mOhm, 650 V
Applications
- Data Center: rack mounted power supply
- High power LED street light
- Industrial: power supply, PSU, UPS…
- High power adapter
- 5G telecom power supply
- External adapter power supply
onsemi
onsemi NCP1680 & NCP1681
The NCP1680 and NCP1681 are PFC controllers IC designed to drive the bridgeless totem-pole PFC topology. The NCP1681 controller can be configured to operate in Continuous Conduction Mode (CCM) or Multi-Mode (CrM-CCM) operation.
onsemi
onsemi Wide Band Gap Technology
The Wide Band Gap (WBG) materials will power future applications for high performance in areas such as vehicle electrification, solar and wind power, cloud computing, EV (electric vehicle) charging, 5G communications and many more.
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