AP7343-30W5-7

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

The AP7343-30W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a stable 3.0V output with a maximum current capacity of 300mA. It operates within an input voltage range of 1.7V to 5.25V and features high power supply rejection ratio performance of 75dB at 1kHz. The device incorporates CMOS technology for low quiescent current consumption of 35µA and includes integrated thermal shutdown and short-circuit protection mechanisms.

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

• Integrated enable pin allows precise control over regulator activation and shutdown states
• High ripple rejection capability ensures clean power delivery in noisy environments
• Low output noise characteristics support sensitive RF and communication circuits
• Built-in thermal shutdown and fold-back current limiting protect against overload conditions

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

• Smart phones and tablets
• RF power supplies
• Portable video devices
• Wireless adapters and communication equipment

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

Verify the specific suffix W5 corresponds to the SOT25 package configuration required for your PCB layout. Confirm that the non-discharge variant meets system requirements if rapid output voltage decay is not necessary upon disable. Ensure input and output capacitor selections align with stability guidelines provided in the datasheet application information section.

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

Select this component when a fixed 3.0V rail is needed with minimal footprint constraints. The SOT25 package offers a compact solution for dense layouts compared to larger regulator packages. Consider the 300mA current limit when sizing traces and capacitors for peak load demands during transient operations.

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

This part belongs to the AP7343 family of low dropout regulators designed for portable electronics. The series provides various fixed output voltages ranging from 0.9V to 3.6V. The AP7343-30W5-7 specifically denotes the 3.0V output version packaged in SOT25 with tape and reel shipping options.

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

AP7343D-30W5-7 serves as a functional substitute featuring output discharge capabilities. For automotive applications requiring higher temperature ratings, consider the AP7343Q-30W5-7 variant which holds AEC-Q100 qualification.