Description
The UC3973 is a high performance current mode PWM controller ideally suited for low standby power.
Features
- S.
- UTC proprietary frequency hopping technology for Improved EMI performance.
- Power-saving mode for high light-load and standby efficiency.
- Soft Start.
- Dynamic peak current limiting for constant output power.
- Built-in synchronized slope compensation.
- OLP,OVP and VDD clamp for higher security.
- Programming OTP for higher security.
- Fixed switch frequency 65kHz.
- Gate output voltage clamped at 15V.
- Low start-up current.
- Cycle-by-cycle Current.
UC3973-UTC.pdf
