RP152x series low voltage dual 150mA LDO with sequence control
The RP152x Series are CMOS-based dual output LDO regulators featuring 150mA output with an optional start-up sequence control function. Key features include a supply current as low as 40µA per output, a minimum input voltage of 1.4V, and an output voltage range from 0.8V to 3.6V. The series is available in SOT-23-6 and DFN1212-6 packages.
| Supply Current (Typ.) | 40µA x 2 |
|---|---|
| Output Current | 150mA |
| Input Voltage Range | 1.4V to 5.25V |
| Output Voltage Range | 0.8V to 3.6V |
| Dropout Voltage (Typ.) | 0.22V |
| Output Voltage Accuracy | +1% |
| Ripple Rejection (Typ.) | 70dB |
| Operation Temperature | -40°C to 85°C |
| Packages | DFN1212-6, SOT-23-6 |
The optional start-up sequence offers output VR2 to start-up 100µs delayed after VR1.
Yes, the RP152x features a fold-back protection circuit with a current limit of typically 40mA.
The discharge period for VR2 is 5 times shorter compared to VR1 during shutdown.