IR1150
Description
The µPFC IR1150 is a power factor correction (PFC) control IC designed to operate in continuous conduction mode (CCM) over a wide range input line voltages. The IR1150 is based on IR's proprietary "One Cycle Control" (OCC) technique providing a cost effective solution for PFC.
Key Features
- PFC with IR proprietary “One Cycle Control”
- Continuous conduction mode (CCM) boost type PFC
- No line voltage sense required
- Programmable switching frequency (50kHz-200kHz)
- Programmable output overvoltage protection
- Brownout and output undervoltage protection
- Cycle-by-cycle peak current limit
- Soft start
- User initiated micropower “Sleep Mode” * * * * * * * * *
- Open loop protection Maximum duty cycle limit of 98% User programmable fixed frequency operation Min. off time of 150-350ns over freq range VCC under voltage lockout Internally clamped 13V gate drive Fast 1.5A peak gate drive Micropower startup (<200 µA) Latch immunity and ESD protection Parts also available Lead-Free
