| R1221N |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AA |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AA-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AB-TR |  | Ricoh | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 1.5V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 500kHz | Original | PDF | 220.27KB | 21 | 
| R1221N15AC |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AC-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AD |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AD-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AE |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AE-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AF |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AF-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AG |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AG-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
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| R1221N15AH |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15AH-TR |  | Ricoh | Step-down DC/DC Converter with Voltage Detector | Original | PDF | 220.28KB | 21 | 
| R1221N15BH |  | Ricoh | 1.5V 500kHz Step-Down DC/DC Converter controller with Voltage Detector | Original | PDF | 231.51KB | 22 | 
| R1221N15XA-TR |  | Ricoh | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 1.5V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Original | PDF | 220.27KB | 21 | 
| R1221N15XB-TR |  | Ricoh | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 1.5V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | Original | PDF | 220.27KB | 21 | 
| R1221N15XC-TR |  | Ricoh | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 1.5V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | Original | PDF | 220.27KB | 21 |