ST1PS01CJR

Voltage Regulators - DC DC Switching Regulators Overview

The ST1PS01CJR is a synchronous step-down DC-DC converter manufactured by STMicroelectronics. It accepts an input voltage range of 1.8V to 5.5V and provides a single output channel with selectable fixed voltages of 1V, 1.2V, 1.3V, or 1.5V. The device delivers up to 400mA of output current. It utilizes a FlipChip-8 package for surface mount applications. Key features include digital voltage selection capability and a Power Good signal indicator. The component operates within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Nano-quiescent synchronous step-down architecture
• Digital voltage selection functionality
• Integrated Power Good status indication

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring low quiescent current
• Battery-powered systems with 1.8V to 5.5V input rails
• Embedded applications needing fixed 1V to 1.5V logic supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage configuration (1V, 1.2V, 1.3V, or 1.5V) required for your design, as the model designation may imply a specific fixed output variant. Confirm that the FlipChip-8 package type aligns with your PCB footprint and assembly capabilities. Ensure compatibility with the specified input voltage range and load current requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck converter with minimal standby current consumption is necessary. The digital voltage selection feature offers flexibility in system design without changing hardware components. Consider the thermal performance of the FlipChip-8 package under maximum load conditions. This device is suitable for space-constrained applications where efficiency at light loads is critical.

Voltage Regulators - DC DC Switching Regulators Part Context

The ST1PS01 series represents STMicroelectronics' portfolio of miniaturized power management solutions. The ST1PS01CJR specifically addresses the need for high-efficiency conversion in portable electronics. It belongs to a family of converters designed to optimize battery life through advanced nano-quiescent technology. The device integrates control circuitry and power switches into a small form factor.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes should be sought from the ST1PS01 series, such as variants with different fixed output voltages if the electrical specifications differ. Verify pinout compatibility and package dimensions when considering alternative manufacturers. Ensure replacement parts maintain the same input voltage range and output current capacity.