R1250V201A is a Negative Output Charge Pump Regulator IC, which can be developed as local power suppliers for portable appliances and small electric appliances used with batteries, with low supply current by CMOS process.
The R1250Vxx1A series are negative‑output charge‑pump regulator ICs designed for portable and small electric appliances that require low supply current. Each device integrates an oscillator, control circuit, reference voltage unit, error amplifier and output driver, providing regulated negative voltages from –2 V to –4 V.
The document includes an outline of features, pin configuration, absolute maximum ratings, electrical characteristics, typical performance graphs, operation notes and technical recommendations for layout, capacitor selection and thermal considerations.
| Output Voltage Accuracy | ±3.0 % (V=5.0 V) |
|---|---|
| Oscillator Frequency | Typical 280 kHz |
| Input Voltage Range | -0.3 V to 7.5 V |
| Power Dissipation | 490 mW |
| Operating Temperature | -40 °C to +85 °C |
The internal oscillator runs at a typical frequency of 280 kHz.
The input voltage rating is –0.3 V to 7.5 V.