المسار :OKDatasheet > اشباه الموصلات datasheet > Ricoh Datasheet > R1221N21XG-TR
R1221N21XG-TR المضاربه : Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.1V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz