S-817B19AMC-CWIT2G

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The S-817B19AMC-CWIT2G is a fixed positive low-dropout (LDO) voltage regulator manufactured by ABLIC. It provides a nominal output voltage of 1.9 V with a tolerance of ±2.0%. The device supports an output current of up to 50 mA and features a typical operating current consumption of 1.2 µA. It operates within an input voltage range of 2.7 V to 10 V and maintains stable performance across a temperature range of -40°C to +85°C. The component utilizes a compact SOT-23-5 surface-mount package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low current consumption for extended battery life in portable applications
• Stable operation with small ceramic output capacitors
• Compact SOT-23-5 package design for space-constrained PCB layouts

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power supply for small portable electronic devices
• Voltage regulation for sensor circuits requiring low quiescent current
• Backup power management in battery-operated systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix CWI against official ABLIC documentation to confirm pinout and package configuration, as variations exist within the S-817 series. Ensure compatibility with required output capacitance values for stability. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and availability.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 1.9 V output is required with minimal standby current draw. The SOT-23-5 package suits designs with limited board space. Verify that the input voltage remains within the 2.7 V to 10 V range and that the load current does not exceed 50 mA under all operating conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the S-817 Series, a family of CMOS voltage regulators developed by ABLIC. The series is characterized by ultra-low current consumption and high output voltage accuracy. These regulators are designed for use in battery-powered devices where power efficiency and small form factors are critical requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Check for other S-817 variants with identical 1.9 V output and SOT-23-5 packaging. Confirm that any substitute matches the ±2.0% accuracy and 1.2 µA typical operating current specifications.