CS8221YDFR8

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

The CS8221YDFR8 is a low-dropout (LDO) linear voltage regulator manufactured by onsemi. It provides a fixed 5V output with an adjustable variant available in the series. The device operates within an input voltage range of 3.4V to 45V and delivers up to 200mA of output current. Key electrical specifications include a maximum dropout voltage of 150mV at 100µA, a quiescent current of 150µA, and line/load regulation of 10mV. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C.

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

• Provides stable regulated voltage output suitable for sensitive electronic circuits
• Features low dropout characteristics for efficient power management
• Includes thermal protection mechanisms to ensure operational safety
• Designed for high reliability in automotive and industrial environments

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

• Power supply systems for image sensors
• Automotive electronics requiring AEC-Q100 compliance
• Industrial control modules
• Portable devices requiring low noise power regulation

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

Verify the exact suffix against official datasheets as ordering codes may vary. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure compatibility with required package types and temperature ratings before procurement. Cross-reference part numbers with manufacturer documentation to avoid substitution errors.

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

Select this component when a fixed or adjustable 5V output is required from higher input voltages up to 45V. Consider the 200mA current limit and 150µA quiescent current for power budget calculations. Verify AEC-Q100 qualification if used in automotive contexts. Ensure thermal dissipation requirements are met given the SOIC-8 package constraints.

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

This LDO belongs to the CS8221 series from onsemi, designed for general-purpose voltage regulation. It complements other PMIC solutions by offering simple, low-noise regulation for analog and digital loads. The series supports various output configurations to meet diverse system voltage requirements.

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

Check for direct pin-compatible alternatives within the same family. Verify that substitute components match the 5V output, 200mA current rating, and 45V max input voltage. Ensure equivalent thermal performance and AEC-Q100 qualification if applicable.