The document is about the technical manual of RP901K. It introduces the features and characteristics of the product, including the working principle, usage method, precautions, etc.
The RP901K is an integrated circuit featuring a step-down DC/DC converter, a low-dropout (LDO) regulator, and a voltage detector (VD). The device utilizes a synchronous rectifier type design to achieve high efficiency with low ripple. It includes built-in protection circuits such as current limit and latch-type over-current protection.
| Input Voltage Range | 4.5V to 5.5V |
|---|---|
| Supply Current | 460uA |
| Output Voltage Range (DC/DC) | 1.2V to 1.8V |
| Output Current (LDO) | 600mA |
| Oscillator Frequency | 1.2MHz |
| Package Type | DFN(PLP)2527-10 |
The device operates from -40 to 85 °C.
The power-on reset delay time is typically set at 50ms.
The DC/DC converter has +/-2% tolerance, while the LDO has +/-1% tolerance.