AP7343Q-33FDUW-7

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

The AP7343Q-33FDUW-7 is a low-dropout linear voltage regulator manufactured by Diodes Incorporated. It provides a fixed output voltage of 3.3 V with a maximum output 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. It utilizes a W-DFN2020-6 surface-mount package and supports operation temperatures from -40°C to +125°C.

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

• Provides stable fixed output voltage regulation for sensitive electronic circuits
• Capable of delivering high output current suitable for portable applications
• Offers high ripple rejection to maintain signal integrity under varying load conditions

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

• Battery-powered consumer electronics requiring efficient power management
• Portable devices utilizing single-cell lithium-ion or lithium-polymer batteries
• Embedded systems needing regulated power supplies in compact form factors

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

Verify the specific suffix FDUW corresponds to the W-DFN2020-6 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure thermal design accounts for the specified operating temperature range during system validation.

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

Select this component for designs requiring a compact footprint with moderate current capabilities. Compare dropout voltage specifications against other LDOs if input-output differential is minimal. Validate that the 3.3 V fixed output aligns with target logic levels without additional level shifting requirements.

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

This part belongs to the AP7343Q series, which includes various output voltage options and package types such as SOT-25 and W-DFN variants. The Q designation typically indicates automotive-grade qualification standards, distinguishing it from standard commercial grade counterparts within the same product family.

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

Compatible substitutes include AP7343Q-33FDZW-7 and AP7343Q-33W5-7, provided pin compatibility and package dimensions are verified. Ensure replacement parts meet identical electrical specifications for output voltage and current capacity.