The R1182x Series is a CMOS-based positive voltage regulator IC with high output voltage accuracy and low supply current. The ICs have a fixed output voltage with high accuracy. The R1182x Series has low dropout voltage and low static current consumption. It improves transient response in all load ranges through seamless technology. It offers high density mounting capability and comes in various package options.
The Ricoh R1182x Series consists of CMOS-based positive voltage regulator ICs designed for high output voltage accuracy and low supply current. These regulators utilize seamless technology to improve transient response across all load ranges while maintaining a typical no-load consumption current of 3.01µA. The series is available in SOT-23-5 and ultra-small DFN(PLP)1616-6 packages, facilitating high-density mounting on printed circuit boards.
Key features include a built-in low on-resistance transistor for low dropout voltage, a current limit circuit to prevent destruction by excess current, and a fold-back protection circuit. The output voltage is fixed with high accuracy, with a temperature-drift coefficient of Typ. +100ppm/°C. The ICs are suitable for applications requiring a stable voltage reference or power source for battery-powered equipment such as cameras, camcorders, and mobile communication devices.
| Supply Current (Typ) | 3.01µA |
|---|---|
| Standby Current | Typ. 0.1µA |
| Input Voltage Range | 1.5V to 6.0V |
| Output Voltage Accuracy | +/-1.0% |
| Dropout Voltage (Typ) | 0.23V |
| Operating Temperature Range | -40 to 85 °C |
| Output Current | 150 mA |
| Short Current Limit | 50 mA |
The typical supply current at no load is 3.01µA.
The series is available in SOT-23-5 and DFN(PLP)1616-6 packages.
Ceramic capacitors are recommended to be used with this IC.