AP7343DQ-27FDUW-7

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

The AP7343DQ-27FDUW-7 is a low dropout (LDO) linear voltage regulator manufactured by Diodes Incorporated. It provides a fixed 2.7 V output with a maximum load current of 300 mA. The device operates within an input voltage range of 1.7 V to 5.25 V and features a typical power supply rejection ratio (PSRR) of 75 dB at 1 kHz. It includes an enable pin for power management and offers high output voltage accuracy. The component is housed in a compact WDFN6 package, suitable for space-constrained portable applications.

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

• Integrated enable control for efficient power management
• High power supply rejection ratio for noise reduction
• Low quiescent current operation for battery efficiency
• Compact footprint design for dense PCB layouts

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

• Portable communication equipment
• Battery-powered handheld devices
• Low-power consumer electronics
• Embedded systems requiring stable voltage regulation

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

Verify the specific suffix FDUW against official Diodes Incorporated documentation to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with your PCB footprint and reflow soldering profile. Confirm RoHS compliance status through the manufacturer's latest product compliance reports before finalizing procurement orders.

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

Select this component when a fixed 2.7 V rail is required with moderate current demands up to 300 mA. Consider its low dropout characteristics for single-cell lithium battery applications. Evaluate the thermal performance based on the expected power dissipation and ambient temperature conditions within the target enclosure design constraints.

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

This part belongs to the AP7343 series of LDO regulators from Diodes Incorporated. The series is characterized by high PSRR and low noise, designed specifically for sensitive analog circuits in portable devices. The 'DQ' designation typically indicates automotive qualification standards, while the suffix defines the physical packaging configuration.

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

Direct replacements include other AP7343 variants with compatible output voltages and packages, such as AP7343DQ-30FDUW-7 or AP7343DQ-33FDUW-7, provided the system voltage requirements align. Cross-reference with similar 300mA LDOs only if pinout and electrical parameters match exactly.