| 1372521 | R1221N50AD-TR | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372522 | R1221N50AE | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372523 | R1221N50AE-TR | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372524 | R1221N50AF | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372525 | R1221N50AF-TR | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372526 | R1221N50AG | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372527 | R1221N50AG-TR | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372528 | R1221N50AH | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372529 | R1221N50AH-TR | Step-down DC/DC Converter with Voltage Detector | Ricoh |
| 1372530 | R1221N50XA-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Ricoh |
| 1372531 | R1221N50XB-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | Ricoh |
| 1372532 | R1221N50XC-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Ricoh |
| 1372533 | R1221N50XD-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | Ricoh |
| 1372534 | R1221N50XE-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Ricoh |
| 1372535 | R1221N50XF-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | Ricoh |
| 1372536 | R1221N50XG-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Ricoh |
| 1372537 | R1221N50XH-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 5.0V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | Ricoh |
| 1372538 | R1223N | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372539 | R1223N SERIES | PWM/VFM step-down DC/DC Converter | Ricoh |
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| 1372540 | R1223N152A | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372541 | R1223N152A-TL | PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 300kHz. Taping specification TL | Ricoh |
| 1372542 | R1223N152A-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372543 | R1223N152B-TL | PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 500kHz. Taping specification TL | Ricoh |
| 1372544 | R1223N152B-TR | PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 500kHz. Standard taping specification TR | Ricoh |
| 1372545 | R1223N152C | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372546 | R1223N152C-TL | Step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 300kHz. Taping specification TL | Ricoh |
| 1372547 | R1223N152C-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372548 | R1223N152D | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372549 | R1223N152D-TL | Step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 500kHz. Taping specification TL | Ricoh |
| 1372550 | R1223N152D-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372551 | R1223N152E | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372552 | R1223N152E-TL | PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 300kHz. Reset-type protection. Taping specification TL | Ricoh |
| 1372553 | R1223N152E-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372554 | R1223N152F | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372555 | R1223N152F-TL | PWM/VFM step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 500kHz. Reset-type protection. Taping specification TL | Ricoh |
| 1372556 | R1223N152F-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372557 | R1223N152G | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372558 | R1223N152G-TL | Step-down DC/DC converter with low supply current by CMOS. Output voltage 1.5V. Oscillator frequency 300kHz. Reset-type protection. Taping specification TL | Ricoh |
| 1372559 | R1223N152G-TR | PWM/VFM Step-down DC/DC Converter | Ricoh |
| 1372560 | R1223N152H | PWM/VFM Step-down DC/DC Converter | Ricoh |
