产品概览
The TNY255PN is an off-line switcher IC from Power Integrations’ TinySwitch family, integrating a 700V power MOSFET, oscillator, high-voltage switch current source, current limit, and thermal shutdown circuit. It operates at 130kHz switching frequency and is designed for 4-10W (230VAC) or 3.5-6.5W (85-265VAC universal) flyback converters with simple ON/OFF control.
主要规格
- Topology: Flyback (isolated)
- Integrated MOSFET: 700V
- Input Voltage: 85-265 VAC
- Output Power: 4-10W (230VAC), 3.5-6.5W (universal)
- Switching Frequency: 130kHz
- Max Duty Cycle: 67%
- Control: ON/OFF (no loop compensation needed)
- No Bias Winding Required
- Standby Power: ~30mW @115VAC, ~60mW @230VAC
- Package: DIP-8
- Operating Temperature: -40°C ~ +150°C
特点
- Integrated 700V MOSFET for minimal external components
- Simple ON/OFF control eliminates loop compensation
- Auto-restart and thermal shutdown protection
- No bias winding needed — starts from DRAIN voltage
- Meets Blue Angel, Energy Star standby requirements
- 130kHz operation for smaller transformer size
应用
- Cell phone and adapter chargers
- PC standby power supplies
- Appliance power supplies
- Isolated auxiliary power
- IoT device power adapters