AP7347DQ-105FDZW-7

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

The AP7347DQ-105FDZW-7 is a low dropout regulator with high output voltage accuracy, low R DS(on), high PSRR, low output noise, and low quiescent current. This regulator is based on a CMOS process. The AP7347DQ includes a voltage reference, error amplifier, current limit circuit, and an enable input to turn it on and off. With its low power consumption and line and load transient response, the AP7347DQ is well-suited for noise sensitive automotive equipment.

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

• AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.
• Integrated resistor network provides fixed output voltage versions.
• Built-in active discharge function ensures known state upon system startup when disabled.
• Thermal shutdown and short-circuit protection features are integrated.

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

• Infotainment power supplies
• Automotive RF supplies
• Cameras
• Automotive POL in ADAS
• Automotive wireless communication systems

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

Verify that the component matches the specific package type W-DFN2020-6 (SWP) and the fixed output voltage of 1.05V. Confirm compliance with automotive standards AEC-Q100 and manufacturing in IATF 16949 certified facilities. Ensure the ordering suffix FDZW corresponds to the correct wettable flanks package variant.

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

Select this part for noise-sensitive automotive applications requiring high PSRR and low output noise. It supports an input voltage range from 1.7V to 5.5V and guarantees an output current of 500mA. The device operates within a temperature range of -40°C to +125°C and maintains ±1% output voltage accuracy.

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

The AP7347DQ series is designed for demanding automotive environments. It offers excellent performance metrics including 75dB ripple rejection at 1kHz and 60µVrms output noise from 10Hz to 100kHz. The low quiescent current of 60µA helps reduce standby power loss, making it efficient for various车载功能.

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

Other variants within the AP7347DQ family share similar electrical characteristics but differ in output voltage or packaging. Verify the exact output voltage requirement and package footprint before substituting with other AP7347DQ models.