CS8361YDPS7

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

The CS8361YDPS7 is a dual micropower low dropout regulator from onsemi, featuring a precision 5.0 V standby output accurate within ±2% and a tracking secondary output. It delivers 100 mA on the standby rail and 250 mA on the tracking rail with a typical dropout voltage of 400 mV at rated currents. The device incorporates an active RESET circuit with hysteresis and a logic level ENABLE control. Designed for automotive and battery-powered microprocessor applications, it offers robust protection against overvoltage, short circuits, reverse battery conditions, and overtemperature.

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

• Dual regulated outputs providing independent standby and tracking voltage rails
• Integrated active RESET monitor with hysteresis for reliable power sequencing
• Logic level ENABLE pin for precise control of the tracking regulator output
• Comprehensive protection including thermal shutdown, short circuit, and reverse battery defense

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

• Automotive microprocessor power supply systems
• Battery-powered embedded microprocessor applications
• Systems requiring precise standby voltage monitoring and reset generation

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

Verify the specific suffix 'YDPS7' against official onsemi documentation to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with your board layout regarding the SO-16L or equivalent package footprint. Confirm that the internal fused leads meet your safety isolation requirements. Cross-reference the datasheet revision date to ensure all electrical characteristics align with your design constraints.

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

Select this component when a dual-output LDO with integrated reset functionality is required for microprocessor power management. The CS8361 is suitable for designs needing a stable 5V standby rail alongside a controllable tracking output. Its low quiescent current makes it ideal for energy-sensitive applications. Consider the 400 mV dropout voltage and current capabilities to ensure adequate headroom under maximum load conditions.

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

The CS8361 belongs to onsemi's line of micropower linear regulators designed for high-reliability environments. It addresses the need for compact, efficient power solutions in automotive and industrial sectors. The device integrates multiple functions into a single package, reducing component count and board space while maintaining high accuracy and robustness against harsh electrical transients common in vehicle networks.

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

Check for direct pin-compatible alternatives within the same family, such as other CS83xx variants, ensuring identical output voltages and current ratings. Verify that any substitute maintains the same RESET threshold and ENABLE logic levels. Confirm package dimensions match the existing PCB footprint to avoid mechanical rework.