| No. |
Part Name |
Description |
Manufacturer |
| 1981 |
R1221N20XD-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 1982 |
R1221N20XE-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 1983 |
R1221N20XF-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 1984 |
R1221N20XG-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 1985 |
R1221N20XH-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 1986 |
R1221N21XA-TR |
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 |
Ricoh |
| 1987 |
R1221N21XB-TR |
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 500kHz |
Ricoh |
| 1988 |
R1221N21XC-TR |
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 |
Ricoh |
| 1989 |
R1221N21XD-TR |
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 500kHz |
Ricoh |
| 1990 |
R1221N21XE-TR |
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 |
Ricoh |
| 1991 |
R1221N21XF-TR |
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 500kHz |
Ricoh |
| 1992 |
R1221N21XG-TR |
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 |
Ricoh |
| 1993 |
R1221N21XH-TR |
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 500kHz |
Ricoh |
| 1994 |
R1221N22XA-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 1995 |
R1221N22XB-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 1996 |
R1221N22XC-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 1997 |
R1221N22XD-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 1998 |
R1221N22XE-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 1999 |
R1221N22XF-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2000 |
R1221N22XG-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 2001 |
R1221N22XH-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.2V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2002 |
R1221N23XA-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 2003 |
R1221N23XB-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2004 |
R1221N23XC-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 2005 |
R1221N23XD-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2006 |
R1221N23XE-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 2007 |
R1221N23XF-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2008 |
R1221N23XG-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 2009 |
R1221N23XH-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.3V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 2010 |
R1221N24XA-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 2.4V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
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