R1223N332B-TR PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 3.3V. Oscillator frequency 500kHz. Standard taping specification TR
R1223N502B-TR PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 5.0V. Oscillator frequency 500kHz. Standard taping specification TR