CR5213/B/C/D/E/T /QR PWM ±5%、±4% �.
CR5213T - High-precision constant current/constant voltage primary QR PWM power switch
CR5213/B/C/D/E/T /QR PWM ±5%、±4% ,TL431 CC/CV QR (LEB) VDD FB SOP-7L 、DIP-7L / RCC .