S-85S1PD32-I8T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85S1PD32-I8T1U is a synchronous step-down switching regulator from the ABLIC S-85S1P series. It operates with an input voltage range of 1.5 V to 5.5 V and provides a fixed output voltage of 3.2 V. The device supports a maximum output current of 200 mA and features a constant on-time (COT) control architecture. Key electrical specifications include a quiescent current of 260 nA, a switching frequency of 1 MHz, and operation within a temperature range of -40°C to +85°C. It is housed in an SNT-A-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a synchronous buck topology for efficient power conversion
• Utilizes Constant On-Time (COT) control for stable regulation
• Includes a shutdown function for low-power management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient voltage regulation
• Battery-powered systems needing low quiescent current
• Embedded circuits utilizing 1.5 V to 5.5 V input rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage designation within the part number suffix to ensure it matches the required 3.2 V specification. Confirm that the SNT-A-8 package dimensions align with the target PCB layout constraints. Ensure compatibility with the intended operating temperature range of -40°C to +85°C for the final application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.2 V output is required from a 1.5 V to 5.5 V input source. The 200 mA output capability suits low-power applications. Consider the 260 nA quiescent current for battery life optimization. The COT control method simplifies external component selection compared to voltage mode control architectures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85S1P series of low-power switching regulators by ABLIC. The series is characterized by high efficiency and compact packaging. The SNT-A-8 package allows for space-constrained designs. The model indicates a fixed output configuration distinct from adjustable variants in the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other S-85S1P series parts for different fixed output voltages if system requirements change. Verify pinout compatibility with existing board layouts before substituting.