S-85S0PC28-I8T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85S0PC28-I8T1U is a step-down switching regulator manufactured by ABLIC Inc. It operates within an input voltage range of 1.5 V to 5.5 V and provides a fixed output voltage of 2.8 V. The device supports an output current of 200 mA and features a low quiescent current of 260 nA. It utilizes constant on-time (COT) control with a switching frequency of 1 MHz. The component is housed in an SNT-A-8 package, suitable for surface mount installation, and functions reliably across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates COT control architecture for stable operation without requiring external compensation components
• Features ultra-low static current consumption to extend battery life in portable applications
• Includes built-in shutdown function for effective power management and energy conservation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient step-down regulation
• Battery-powered systems needing low standby current
• Embedded circuits utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and electrical tolerances. Ensure the ordering quantity aligns with manufacturer reel specifications. Cross-reference the datasheet revision date to validate parameter accuracy before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.8 V output is required from a 1.5 V to 5.5 V source. Consider the 200 mA current limit and 1 MHz switching frequency for noise-sensitive designs. The SNT-A-8 package offers a compact footprint suitable for space-constrained PCB layouts compared to larger regulator packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85S0P/S-85S1P series of low-power switching regulators. These ICs are designed using CMOS technology to achieve high efficiency and minimal power loss. The series emphasizes compactness and low current consumption, targeting modern mobile and IoT applications where power efficiency is critical.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for variants with different output voltages or package types within the same series. Verify if alternative manufacturers offer compatible buck converters with similar pinouts and electrical characteristics for supply chain resilience.