FAN1117ADX

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

The FAN1117ADX is a low-dropout linear voltage regulator manufactured by onsemi, designed for applications requiring stable power delivery with minimal heat generation. This device provides a fixed output voltage and supports a maximum continuous output current of 1 A. It operates within an input voltage range from 2.5 V to 18 V, ensuring compatibility with various supply rails. The regulator features a dropout voltage of 1.2 V at full load, maintaining regulation under varying load conditions. It includes internal protection mechanisms such as overcurrent limiting and thermal shutdown to safeguard against fault conditions. The component is housed in a TO-252-3 surface-mount package, suitable for automated assembly processes.

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

• Integrated overcurrent and thermal shutdown protection for enhanced system reliability
• Low dropout voltage characteristic ensures efficient operation across wide input ranges
• Fixed output voltage configuration simplifies circuit design without external feedback components

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

• Portable battery-powered equipment requiring stable voltage rails
• Consumer electronics utilizing microcontrollers and logic circuits
• Industrial control systems needing reliable linear regulation

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

Verify the exact suffix designation during procurement, as variations may indicate different temperature grades or packaging options. Confirm availability status, as this part number may be subject to discontinuation or limited stock depending on the distributor. Ensure compliance with RoHS directives if required for your specific application environment. Cross-reference datasheet revisions to confirm pinout and electrical specifications match your design requirements before finalizing orders.

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

Select this regulator when a fixed output voltage is preferred over adjustable configurations to reduce component count. Consider the TO-252-3 package for its thermal performance and surface-mount convenience compared to through-hole alternatives. Evaluate the input-to-output voltage differential to ensure the dropout specification meets your minimum headroom requirements. Verify that the 1 A current rating aligns with the peak load demands of your downstream circuitry to prevent thermal throttling.

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

The FAN1117 series belongs to onsemi's portfolio of low-dropout regulators, offering a balance of performance and cost-effectiveness for general-purpose power management. These devices are widely used in embedded systems where noise immunity and line regulation are critical. The ADX suffix typically denotes a specific tape-and-reel packaging format intended for high-volume automated manufacturing processes, distinguishing it from tube-packaged variants like the AT series.

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

Publicly confirmed substitute part numbers for FAN1117ADX are not available in the provided documentation. Users should consult official onsemi resources or authorized distributors for validated cross-reference data.