S-817B18AMC-CWHT2G

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

The S-817B18AMC-CWHT2G is a fixed-output low-dropout voltage regulator manufactured by ABLIC. It provides a nominal output voltage of 1.8 V with a maximum output current capability of 20 mA. The device utilizes CMOS technology and features ultra-low operating current consumption, typically 1.2 µA. It operates within an input voltage range from 2.8 V to 10 V and maintains a maximum dropout voltage of 0.99 V. The unit is housed in a five-terminal SOT-23 package.

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

• Ultra-low current consumption for battery-powered applications
• Stable operation with small ceramic capacitors
• High accuracy fixed output voltage selection

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

• Power supply for portable electronic devices
• Battery-operated sensor modules
• Low-power microcontroller systems

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

Verify the specific suffix CWHT2G against official ABLIC documentation to confirm pinout compatibility and tape-and-reel specifications. Ensure the selected variant matches the required 1.8 V output tolerance and thermal performance for the intended PCB layout. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components.

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

Select this component when a stable 1.8 V rail is required with minimal quiescent current draw. The 20 mA output limit suits low-power logic circuits rather than high-current loads. Verify that the input voltage remains above the minimum threshold of 2.8 V to ensure regulation. Confirm that the SOT-23-5 package fits the available board space constraints.

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

This device belongs to the S-817 series of CMOS voltage regulators designed for compact form factors. The series emphasizes low power consumption and stability with small output capacitors. The B-series designation indicates specific output voltage options within the broader product family.

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

S-817B18AMC-CWAT2G is a documented alternative within the same series offering identical electrical characteristics.