AP7343-22W5-7

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

The AP7343-22W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, delivering a nominal output voltage of 2.2V with a maximum guaranteed load current 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 alongside low output noise of 60µVrms from 10Hz to 100kHz. The device incorporates CMOS technology for low quiescent current consumption of 35µA and includes integrated enable control, thermal shutdown, and short-circuit protection mechanisms.

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

• Integrated enable pin allows precise power management through active-high activation and shutdown modes
• High ripple rejection capability ensures stable operation in noisy power environments
• Low output noise characteristic supports sensitive RF and communication circuitry requirements
• 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 supplies
• Cameras
• Portable videos
• Wireless adapters

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

Verify the specific ordering suffix W5 corresponds to the SOT25 package configuration required for your PCB layout. Confirm that the non-discharge variant matches your system's power-down state requirements. Ensure compatibility with RoHS compliance standards before finalizing procurement orders.

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

Select this component when a fixed 2.2V rail is needed with minimal footprint constraints. Consider the SOT25 package for standard surface mount assembly processes. Evaluate thermal dissipation needs based on the junction-to-ambient resistance values provided in the datasheet for your specific operating environment.

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

This part belongs to the AP7343 family of high PSRR low-noise LDOs designed for portable handheld equipment. The series offers various fixed output voltages ranging from 0.9V to 3.6V across different package options including X2-DFN1010-4 and SOT25 configurations.

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

AP7343D-22W5-7 serves as a direct substitute if output discharge functionality is required instead of the non-discharge version provided by the base model.