FAN1084D33X

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

The FAN1084D33X is a fixed positive linear low-dropout (LDO) voltage regulator manufactured by onsemi. It provides a fixed output voltage of 3.3V with a maximum continuous output current capability of 4.5A. The device features a dropout voltage of approximately 1.5V at full load. It is housed in a TO-252AA surface-mount package, specifically the DPAK form factor. The component is designed for efficient power regulation in applications requiring stable voltage supply under high current conditions.

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

• Fixed 3.3V output voltage configuration
• High current delivery up to 4.5A
• Low dropout voltage characteristic for efficiency
• Surface-mount TO-252AA packaging

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

• Point-of-load regulation in embedded systems
• Power supply stages for microprocessors and FPGAs
• Battery-powered equipment requiring stable 3.3V rails

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

Verify the specific suffix 'D33X' against official onsemi documentation to confirm the fixed 3.3V output variant and TO-252AA package type. Ensure compatibility with thermal management requirements given the 4.5A current rating. Cross-reference part numbers with legacy Fairchild Semiconductor designations if integrating into existing designs.

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

Select this component when a fixed 3.3V output is required with high current capacity. Consider the thermal performance of the TO-252AA package relative to the expected ambient temperature and load current. Verify input voltage ranges to ensure the dropout voltage specifications are met under all operating conditions.

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

This part belongs to the FAN1084 series of LDO regulators. The series includes various output voltage options and package types such as TO-220 and TO-263. The FAN1084D33X specifically denotes the 3.3V fixed output version in the DPAK-style surface mount package, originally developed by Fairchild Semiconductor before its acquisition by onsemi.

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

Compatible replacements include other 3.3V, 4.5A LDO regulators in similar packages. Legacy equivalents may be found under Fairchild Semiconductor branding. Verify pinout compatibility and thermal characteristics when substituting.