AP7331-30WG-7

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

The AP7331-30WG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 3.0V output with a maximum load current of 300mA. The device operates within an input voltage range of 2V to 6V and features a typical quiescent current of 65µA across the full load range. It incorporates built-in current limit, short circuit protection, and thermal shutdown circuitry. The component utilizes a SOT-25 surface-mount package and maintains stability when paired with a 1µF ceramic output capacitor.

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

• Integrated enable pin for active-high power control
• Fast transient response capability for rapidly changing loads
• Built-in overcurrent, short-circuit, and thermal shutdown protections
• Operates stably with low ESR ceramic capacitors

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

• XDSL Routers
• Wireless LAN Cards
• Desktop and Notebook Computers
• Battery Powered Equipments

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

Verify that the ordering suffix 'WG' corresponds to the SOT-25 package and '30' indicates the 3.0V fixed output configuration. Confirm compliance with RoHS directives and lead-free finish requirements as specified in the manufacturer documentation. Ensure the procurement channel is authorized to guarantee product authenticity and traceability.

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

Select this component when a fixed 3.0V rail is required from a 2V to 6V supply source. It is suitable for applications demanding low ground current consumption and fast startup times. Verify that the PCB layout accommodates the SOT-25 footprint and that the thermal environment supports the specified junction temperature limits under expected power dissipation conditions.

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

This part belongs to the AP7331 series of low dropout regulators designed for portable electronics. The series offers both adjustable and fixed output options in SOT-25 and DFN2020-6 packages. The specific model integrates standard LDO architecture including a band-gap reference, error amplifier, and pass element optimized for efficiency and transient performance.

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

AP7331-30SNG-7 (DFN2020-6 package variant)