FAN1582D15X

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

The FAN1582D15X is a fixed-output linear voltage regulator manufactured by onsemi. It provides a fixed output voltage of 1.5V with a maximum continuous output current of 3A. The device operates from an input voltage range up to a maximum of 7V and features a typical dropout voltage of 1.18V at full load. Key electrical specifications include a quiescent current of 6 mA and a power supply rejection ratio (PSRR) of 80 dB at 120 Hz. It incorporates overcurrent and thermal overload protection mechanisms and is rated for operation within a junction temperature range of -65°C to 150°C.

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

• Provides a stable, fixed 1.5V DC output voltage suitable for low-voltage digital logic circuits.
• Capable of delivering high continuous output current up to 3A for demanding power loads.
• Integrates comprehensive protection circuitry including overcurrent limiting and thermal shutdown to safeguard the device and load.

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

• Powering core voltage rails in embedded systems requiring 1.5V logic levels
• Biasing RF modules and communication interfaces in portable devices
• Providing regulated power to microcontrollers and memory components

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

Verify component authenticity through authorized distribution channels due to the part's obsolete status. Confirm that the TO-252 package variant matches the design footprint requirements. Ensure compliance with RoHS directives if applicable to the target assembly process. Review historical lot data for consistency if sourcing from secondary markets.

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

Select this component when a fixed 1.5V rail is required with high current capability. Evaluate the 7V maximum input voltage constraint against the system's supply line. Consider the thermal performance in the TO-252 package under full 3A load conditions. Compare PSRR specifications against noise sensitivity requirements of the downstream circuitry.

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

This device belongs to the FAN1582 family of low-dropout linear regulators. It shares functional similarities with other members of the series but is distinguished by its specific 1.5V fixed output configuration. The family is designed for applications requiring efficient voltage regulation with minimal external component count.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical parameters before considering any alternative LDO regulators from different manufacturers.