Key facts
- Brand
- Ricoh
- Model
- R1122N
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-07-09
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Ricoh R1122N Series Low Noise LDO Regulator Datasheet
The R1122N Series are CMOS-based voltage regulator ICs featuring high output voltage accuracy, extremely low supply current, low ON-resistance, and high ripple rejection. These ICs include a built-in chip enable circuit and fold-back protection, making them suitable for power supplies in hand-held communication equipment.
Read onlineRicoh R1122N specifications
| Supply Current (Typ) | 100uA |
|---|---|
| Standby Mode Current (Typ) | 0.1pA |
| Dropout Voltage (Typ, Vout=3.0V) | 0.19V |
| Ripple Rejection (Typ) | 80dB |
| Output Voltage Accuracy | ±2.0% |
| Output Voltage Range | 1.5V to 5.0V |
| Package Type | SOT-23-5 |
| Operating Temperature Range | -40 ~ 85 °C |
Source: Ricoh R1122N Series Low Noise LDO Regulator Datasheet
All Ricoh R1122N documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical supply current of the R1122N Series?
The typical supply current is 100uA.
Is a chip enable circuit built into the IC?
Yes, it includes a built-in chip enable circuit with two types: active 'Low' and active 'High'.
What is the maximum output current of the R1122N Series?
The series features a 150mA output.
What is the typical dropout voltage when the output current is 100mA and the output voltage is 2.8V?
The typical dropout voltage is 0.19V under those conditions.
What is the typical supply current of the R1122N series?
The typical supply current is 100 µA.
What output voltage steps are available for the R1122N series?
The output voltage can be set in steps of 0.1V ranging from 1.5V to 5.0V.