S-85S0AB17-I6T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85S0AB17-I6T1U is a synchronous step-down switching regulator from the ABLIC S-85S0A series. It features a fixed 1.7 V output voltage and supports a maximum output current of 50 mA. The device operates with an input voltage range of 2.2 V to 5.5 V and maintains a quiescent current of 260 nA. It utilizes Constant On-Time (COT) control topology with a typical switching frequency of 1 MHz. The component is housed in an SNT-A-6 package and is rated for operation between -40°C and +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low quiescent current consumption for extended battery life
• Integrated synchronous rectification for high efficiency
• Constant On-Time control for stable transient response
• Compact surface-mount packaging

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Low-power sensor nodes
• Wearable technology power management
• IoT edge devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against the official ABLIC datasheet to confirm pinout compatibility and thermal characteristics. Ensure the ordering information matches the exact part number variant required for your design, as minor suffix differences may indicate distinct electrical specifications or packaging options.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed low-voltage rail is required with minimal standby current draw. The 50 mA output limit suits light loads, while the wide input range accommodates single-cell lithium batteries. Verify that the external inductor and capacitor values meet the stability requirements specified in the application circuit guidelines.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85S0A series of ultra-low power buck converters. It shares the family's core architecture but differs in fixed output voltage and current capacity compared to higher-performance siblings like the S-85S1 series. The SNT-A-6 package provides a small footprint suitable for space-constrained mobile applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes within the same series include S-85S0AB18-I6T1U (1.8V), S-85S0AB20-I6T1U (2.0V), and S-85S0AB28-I6T1U (2.8V). For higher current needs, consider the S-85S1 series, though pinouts and specifications may differ.