AP7343DQ-33FDUW-7

$0.11

Description：IC REG LINEAR 3.3V W-DFN2020-6
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)

SKU:b41cdf6bcc30 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Diodes Incorporated

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Product introduction

AP7343DQ-33FDUW-7 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is IC REG LINEAR 3.3V W-DFN2020-6. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for AP7343DQ-33FDUW-7

Description：IC REG LINEAR 3.3V W-DFN2020-6
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：5.25V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.31V @ 300mA
Current - Output：300mA
Current - Quiescent (Iq)：60 µA
Current - Supply (Max)：-
PSRR：75dB (1kHz)
Control Features：Current Limit, Enable
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：6-WDFN Exposed Pad
Supplier Device Package：W-DFN2020-6 (SWP) (Type UXD)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for AP7343DQ-33FDUW-7

AP7343DQ-33FDUW-7

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

The AP7343DQ-33FDUW-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a stable 3.3 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 of 75 dB at 1 kHz. Quiescent current is specified at 35 uA, with a maximum dropout voltage of 290 mV at full load. The component supports an extended operating temperature range from -40 °C to +125 °C and includes integrated overcurrent protection.

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

Automotive-grade reliability certified under AEC-Q100 standards
Integrated enable pin for precise power management control
High power supply rejection ratio for noise-sensitive applications

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

Automotive infotainment systems
Electronic control units (ECUs)
Body electronics modules

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

Verify the specific suffix FD-UW against official Diodes Incorporated documentation to confirm package type and tape-and-reel specifications. Ensure the automotive qualification status aligns with project requirements. Cross-reference the manufacturer part number directly with datasheet revisions to avoid counterfeit components or obsolete stock variations.

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

Select this component when high PSRR and extended temperature operation are required in space-constrained designs. The SOT-25-5 package facilitates dense PCB layouts. Verify that the 3.3 V fixed output matches the target rail voltage. Consider the 300 mA current limit for downstream load requirements before finalizing the design.

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

This part belongs to the AP7343 series of CMOS low dropout regulators. The 'DQ' designation indicates automotive qualification. The series offers high accuracy and low noise characteristics suitable for portable and industrial applications. It integrates a voltage reference, error amplifier, and current limit circuitry within a compact footprint.