경로 :OKDatasheet > 반도체업체순위 > Ricoh Datasheet > R1221N42XD-TR
R1221N42XD-TR 사양 : Step-down DC/DC converter with voltage detector. Output voltage (Vout) 4.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz