FAN1582D12X

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

The FAN1582D12X is a linear voltage regulator IC manufactured by onsemi, classified under PMIC - Voltage Regulators - Linear. It provides a fixed positive output of 1.2V with a maximum continuous output current of 3A. The device utilizes a TO-252-5 (DPAK) surface-mount package and operates within an extended temperature range from -65°C to +150°C. Key electrical specifications include a maximum dropout voltage of 1.18V at full load, a quiescent current of 6mA, and a power supply rejection ratio of 80dB at 120Hz. Input voltage support extends up to a maximum of 7V.

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

• Provides stable regulated power for sensitive electronic circuits requiring precise low-voltage rails
• Integrated thermal and overcurrent protection mechanisms ensure operational safety during fault conditions
• High ripple rejection capability maintains signal integrity in noise-sensitive environments

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

• Portable battery-powered consumer electronics
• Embedded systems requiring low-noise power supplies
• Industrial control modules operating in extreme temperatures

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

Verify component authenticity through authorized distribution channels due to the high prevalence of counterfeit power management integrated circuits. Confirm that the specific suffix matches the required package and output voltage configuration. Review the manufacturer's latest datasheet revision to ensure compliance with current environmental standards and pinout definitions before finalizing procurement orders.

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

Evaluate the thermal dissipation requirements carefully as the TO-252-5 package has limited heat spreading capabilities compared to larger packages. Ensure the input-to-output voltage differential remains within specified limits to prevent excessive power loss. Consider the 6mA quiescent current impact on overall system efficiency, particularly for battery-operated applications where standby power consumption is critical.

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

This component belongs to the FAN1582 family of adjustable and fixed low-dropout regulators designed for high-current applications. The series is characterized by its robust performance across wide temperature ranges and its suitability for space-constrained designs. It serves as a reliable power source for digital logic and analog circuits requiring clean, stable voltage levels.

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

Direct replacements may include other 3A LDO regulators from onsemi or competitors offering identical 1.2V fixed outputs in compatible surface-mount packages. Verify pin compatibility and thermal characteristics when substituting.