AP7343-295W5-7

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

The AP7343-295W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 2.95V. It supports an input voltage range from 1.7V to 5.25V and delivers a guaranteed output current of 300mA. The device features high power supply rejection ratio (PSRR) of 75dB at 1kHz and low output noise of 60µVrms across the 10Hz to 100kHz bandwidth. Quiescent current is maintained at a typical value of 35µA. It includes an enable pin for power control and operates within an ambient temperature range of -40°C to +85°C.

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

• Integrated CMOS architecture with built-in voltage reference, error amplifier, and current limit circuitry
• Dedicated enable pin allows precise on/off switching without floating states
• High ripple rejection capability ensures stable performance under varying line conditions
• Low output noise design suitable for sensitive analog and RF signal paths

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

• Smart phones and tablets
• RF supplies
• Cameras
• Portable videos
• Wireless communication devices

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 'blank' discharge option aligns with your shutdown requirements, as alternative versions include auto-discharge functionality. Ensure compatibility with RoHS and halogen-free manufacturing standards before finalizing procurement orders.

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

Select this component when a fixed 2.95V rail is needed with minimal footprint in portable electronics. The SOT25 package offers a compact solution compared to larger regulators. Consider the thermal resistance characteristics if operating near maximum load currents or elevated temperatures. Verify input voltage headroom against the dropout voltage specifications for optimal efficiency.

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

This part belongs to the AP7343 series of low dropout regulators designed for low-power handheld communication equipment. The series provides various fixed output voltages ranging from 0.9V to 3.6V. It is distinct from the automotive-compliant AP7343Q variant, which carries AEC-Q100 qualification. The standard AP7343 focuses on consumer applications requiring high PSRR and low quiescent current.

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

AP7343-29W5-7 provides a similar 2.9V output option within the same series.