The RP111x series are CMOS-based LDO regulators featuring 500mA output current. The minimum input voltage is as low as 1.4V and the output voltage can be set from 0.7V. Due to a built-in 0.46Ω (at VOUT=2.8V) on-resistor, RP111x can provide a low dropout voltage. RP111x also features a ripple rejection at 75dB and low noise. The output voltage accuracy is as high as ±0.8%. The accuracy of output voltage of RP111x including the temperature characteristics and the load transient response has been improved. The Typ. and Max value of under/overshoot according to the various output current are shown in the typical characteristics in the datasheet, therefore the accuracy of the output voltage estimation will be easy on the actual operating cases. In addition to a fold-back protection circuit built into conventional regulators, RP111x contains a thermal shutdown circuit and an inrush current limit circuit. In addition to SOT-23-5 and SOT-89-5 packages, a 1.2mm square DFN1212-6 package is also available. Ceramic capacitors can be used.
The Ricoh RP111x Series are CMOS-based Low Dropout (LDO) regulators designed for applications requiring good load transient response and low input voltage. These regulators feature a 500mA output current capability and support output voltages ranging from 0.7V to 3.6V. The series includes built-in protection circuits such as fold-back current limit, thermal shutdown, and inrush current limit.
| Output Current | 500mA |
|---|---|
| Input Voltage Range | 1.4V to 5.25V |
| Output Voltage Range | 0.7V to 3.6V |
| Output Voltage Accuracy | 0.8% |
| Ripple Rejection | 75dB |
| Dropout Voltage | Typ. 0.23V |
| Supply Current | Typ. 80uA |
| Packages | DFN1212-6, SOT-23-5, SOT-89-5 |
The minimum input voltage is as low as 1.4V.
Yes, the document states that ceramic capacitors can be used.