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DIODES INC. AP7343D18W57 Low Noise Regulator

The AP7343D18W57 is a highly efficient, low noise, lead-free linear voltage regulator designed to provide a fixed output voltage of 1.8V with high PSRR. It features low quiescent current, high output current capacity up to 300mA, and ensures excellent line and load transient response. Packaged in a compact X2-DFN1010-4 (Type B) package, it supports a wide input voltage range from 1.7V to 5.25V, making it ideal for portable, battery-powered, and RF communication devices requiring stable and clean power in a small footprint.

Authorized Distributors
Source:Newark
Part No:AP7343D-18W5-7
Stock:1575
Inv Date:06-11-2026
Price: Unit price: $0.34
Buy/RFQ:
Source:DigiKey
Part No:AP7343D-18W5-7
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.14313
Buy/RFQ:
Part No:AP7343D-18W5-7
Stock:4380
Inv Date:06-12-2026
Price: Unit price: $0.34
Buy/RFQ:
Part No:AP7343D-18W5-7
Stock:18000
Inv Date:06-11-2026
Price: Unit price: $0.0946
Buy/RFQ:

DIODES INC. AP7343D18W57 Low Noise Regulator Specifications:

  • Input Voltage: 1.7V to 5.25V
  • Output Voltage: 1.8V
  • Output Current: 300mA
  • Output Noise: 60uVrms from 10Hz to 100kHz
  • Vout Accuracy: ±1%
  • Ripple Rejection: 75dB at 1kHz
  • Quiescent Current: as low as 35μA
  • Dropout Voltage: 0.30V at 300mA
  • Line Regulation: 0.02V to 0.4V
  • Load Regulation: 15mV to 30mV
  • Thermal Resistance Junction to Case: 96°C/W (X2-DFN), 52°C/W (SOT25)
  • Operating Temperature: -40°C to +85°C
  • Package: X2-DFN1010-4 (Type B), SOT25

Buy the Buy Diodes AP7343D18W57 Part Number Online

Order the Diodes AP7343D18W57 today to enjoy a stable, low noise 1.8V voltage regulation solution for portable and RF communication devices. This lead-free, RoHS compliant regulator offers high PSRR, ultra-low quiescent current of 35μA, and supports up to 300mA output current in a compact X2-DFN1010-4 package. Its wide input voltage range from 1.7V to 5.25V makes it ideal for battery-powered applications, ensuring clean power with low output noise, excellent transient response, and reliable performance for demanding portable electronics.

Get Diodes AP7343D18W57 today—built for high efficiency, low noise, and reliable power delivery in compact, portable systems.

Frequently Asked Questions

Where can I buy DIODES INC. AP7343D18W57?

You can click on the BUY or RFQ button to purchase AP7343D18W57 from an authorized DIODES INC. distributor.

How do I troubleshoot issues or seek technical support for part AP7343D18W57?

You can download the AP7343D18W57 datasheet or visit the DIODES INC. website for support.

Who is the manufacturer of AP7343D18W57?

DIODES INC.

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