FAN1112DX

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

The FAN1112DX is a fixed-output low dropout linear regulator manufactured by Fairchild Semiconductor. It provides a stable 1.2V output with a maximum load current of 1A. The device utilizes a TO-252 (DPAK) surface-mount package, designed for applications requiring efficient voltage regulation in low-voltage environments. It features internal protection mechanisms to ensure reliable operation under varying load and thermal conditions.

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

• Optimized for low voltage transient response
• Internal current limiting and thermal shutdown protection
• Fixed 1.2V output voltage configuration

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

• Portable battery-powered equipment
• Low voltage digital logic circuits
• Embedded system power supplies

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the part status as obsolete and identify qualified replacement components if necessary. Ensure compliance with RoHS standards and check for moisture sensitivity level requirements during storage and handling procedures.

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

Select this component when a fixed 1.2V supply is required with up to 1A continuous current. Consider the TO-252 package for surface mount assembly constraints. Evaluate thermal dissipation requirements based on input-output voltage differential and ambient operating temperature conditions.

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

This component belongs to the FAN1112 series of low dropout regulators. Fairchild Semiconductor, now part of onsemi, produced this line for general-purpose voltage regulation. The DX suffix typically denotes the specific tape-and-reel packaging variant within the product family.

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

The datasheet indicates the product is obsolete. Verify compatible substitutes such as the FAN1112E or other 1.2V 1A LDOs from equivalent manufacturers that match the pinout and electrical specifications.