The R1121N Series is a CMOS-based voltage regulator IC with high output voltage accuracy, extremely low supply current, low ON-resistance, and high Ripple Rejection.
The R1121N Series consists of CMOS-based voltage regulator ICs featuring high output voltage accuracy, extremely low supply current, low ON-resistance, and high ripple rejection. These devices are designed with a chip enable function and perform well under line and load transient conditions, making them suitable for power supplies in hand-held communication equipment.
| Supply Current (Standby) | Typ. 0.1pA |
|---|---|
| Dropout Voltage | Typ. 0.2V (Iour=100mA) |
| Ripple Rejection | Typ. 70dB(f=1kHz) |
| Temperature-Drift Coefficient of Output Voltage | Typ. ±100ppm/°C |
| Output Voltage Accuracy | Typ. 0.05%/V |
| Output Voltage Range | 1.5V to 5.0V (0.1V steps) |
| Package Type | SOT-23-5 (Mini-mold) |
The device supports an output current up to 150mA.
The device supports a typical supply current of 0.2V when the load current is 100mA.
The typical ripple rejection is 70dB at a frequency of 1kHz.