AS1351-Z

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

The AS1351-Z is a dual-channel positive programmable low-dropout (LDO) linear voltage regulator manufactured by ams OSRAM. It features two independent output channels capable of delivering up to 200mA each, with adjustable output voltages ranging from 1.8V to 3.3V. The device operates with a maximum input voltage of 5.5V and includes integrated protection functions such as overcurrent, thermal shutdown, and soft-start. It utilizes a 12-VFQFN package with an exposed pad for surface mount installation.

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

• Dual-channel architecture providing independent programmable voltage regulation
• Integrated protection mechanisms including overcurrent limiting and thermal shutdown
• Soft-start functionality to manage inrush current during initialization

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

• Portable electronic devices requiring multiple stable voltage rails
• Embedded systems needing isolated power domains
• Battery-powered equipment with strict power management requirements

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

Verify component authenticity through authorized distributors due to discontinued status. Confirm package integrity and pin alignment before soldering. Review latest datasheet revisions for any updated handling or storage conditions. Ensure compatibility with existing PCB footprints and thermal design constraints.

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

Evaluate total quiescent current consumption against system power budgets. Assess thermal performance under maximum load conditions given the small form factor. Verify that required output voltage ranges fall within the specified 1.8V to 3.3V limits. Consider layout requirements for stability and noise reduction in sensitive analog circuits.

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

This component belongs to the family of precision LDO regulators designed for space-constrained applications. It offers high power supply rejection ratio across varying frequencies. The device supports enable control for power management optimization. It is suitable for industrial and commercial environments operating between -40°C and 85°C.

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

Check manufacturer cross-reference tools for functional equivalents. Verify pin-to-pin compatibility if substituting directly. Compare electrical specifications closely, especially dropout voltage and current limits. Confirm package dimensions match existing board layouts.