The R1122N series are voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON- resistance and high ripple rejection by CMOS process.
The Ricoh R1122N Series consists of voltage regulator ICs designed with a CMOS process to achieve ultra-low supply current (typ. 100µA), extremely low ON-resistance, and high ripple rejection. These devices are suitable for power supplies in hand-held communication equipment such as cellular phones, offering fixed output voltages with high accuracy.
| Supply Current (Typ) | 100 µA |
|---|---|
| Dropout Voltage (Typ) | 0.19V |
| Ripple Rejection (Typ) | 80dB |
| Output Current | 150 mA |
| Package Type | SOT-23-5 (Mini-mold) |
The typical supply current is 100 µA.
The output voltage can be set in steps of 0.1V ranging from 1.5V to 5.0V.
The datasheet recommends using ceramic capacitors such as GRM40X5R225K6.3 (Murata).