RAA223021 Overview
RAA223021 700V AC/DC Buck Regulator with Ultra-Low Standby Power Datasheet The RAA223021 is a universal input AC/DC switching buck regulator with ultra-low standby power that features a 700V integrated MOSFET capable of delivering up to 12W output power. It supports output voltage as low as 5V. The RAA223021 bines constant off-time control for heavy load and Pulse Frequency Modulation (PFM) for light-load operation. Constant off-time controls...
RAA223021 Key Features
- Ultra-low standby power (<20mW)
- No audible noise
- Low quiescent current (<80µA)
- Output voltage as low as 3.3V
- Low EMI with frequency dithering
- 7 Ld SOIC package
- Programmable PFM allows optimization of COUT
- Protection features: Short-Circuit Protection (SCP)