S-817B55AMC-CXST2U

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

The S-817B55AMC-CXST2U is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by ABLIC. It provides a stable 5.5 V output with a maximum continuous current of 65 mA. The device features an ultra-low quiescent current of 1.2 µA, making it suitable for battery-powered applications. It operates within an input voltage range up to 12 V and maintains regulation across a temperature range of -40°C to +85°C. The regulator offers a typical dropout voltage of 190 mV at full load and ensures high precision with a voltage regulation accuracy of ±2%. It is housed in a compact SOT-23-5 surface-mount package.

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

• Ultra-low quiescent current consumption for extended battery life
• High-precision fixed output voltage with ±2% tolerance
• Low dropout voltage characteristics for efficient power usage
• Compact SOT-23-5 surface-mount packaging

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

• Battery-operated portable electronic devices
• Microcontroller power supply rails
• Sensor biasing circuits
• RF module power management

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

Verify the specific suffix 'CXST2U' against official ABLIC documentation to confirm tape-and-reel quantity and orientation. Ensure compatibility with standard SOT-23-5 footprint designs. Cross-reference the exact part number with distributor catalogs to confirm availability status and lead times prior to ordering.

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

Select this component when a precise 5.5 V rail is required with minimal standby current draw. The SOT-23-5 package suits space-constrained layouts. Verify that the input voltage does not exceed 12 V and that thermal dissipation remains within limits for the expected load current and ambient temperature conditions.

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

This part belongs to the S-817 series of LDO regulators from ABLIC, designed for low-power applications. The series emphasizes low quiescent current and high accuracy. The S-817B variant typically denotes specific package and output voltage configurations within the broader product line, targeting consumer and industrial electronics requiring stable, efficient power regulation.

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

What is the maximum input voltage for the S-817B55AMC-CXST2U?

The maximum input voltage rating is 12 V.

Does this regulator include overcurrent protection?

Official datasheets for the S-817 series typically specify internal current limiting mechanisms to protect the device under fault conditions.