AP7347EQ-25FGECW-13A

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

The AP7347EQ-25FGECW-13A is a fixed-output low-dropout regulator manufactured by Diodes Incorporated, delivering a precise 2.5V output with a guaranteed maximum current of 500mA. It operates within an input voltage range of 1.7V to 5.5V and maintains ±1% output accuracy across the -40°C to +125°C temperature spectrum. The device features a typical ripple rejection ratio of 75dB at 1kHz and a low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is specified as low as 75µA. It includes integrated power-good monitoring, active output discharge, and thermal shutdown protection.

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

• Automotive-grade qualification including AEC-Q100 certification and PPAP capability for use in noise-sensitive vehicle systems.
• Integrated open-drain power-good indicator enables supply sequencing and real-time status monitoring.
• Active output discharge ensures controlled system startup states when the enable pin is deactivated.
• Built-in short-circuit and thermal protection mechanisms safeguard against overcurrent and overheating conditions.

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

• Point-of-load regulation in Advanced Driver Assistance Systems (ADAS)
• Power supplies for automotive infotainment units
• Voltage regulation for automotive RF subsystems
• Power management for automotive wireless communication modules

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

Verify that the specific ordering suffix matches the required package type and output voltage. Confirm compliance with automotive quality standards such as AEC-Q100 and IATF 16949 manufacturing requirements. Ensure the selected variant supports the necessary Powertrain Parts Approval Process documentation if intended for production vehicles.

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

Select this component for applications requiring high power-supply rejection ratios and low noise performance in compact footprints. The V-DFN3030-8/SWP package provides enhanced thermal dissipation compared to smaller alternatives. Consider the 2.5V fixed output configuration to eliminate external resistor networks while maintaining strict voltage tolerance specifications.

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

This part belongs to the AP7347EQ series of low-dropout regulators designed specifically for demanding automotive environments. The series offers various fixed and adjustable output voltages packaged in U-DFN2020-6 and V-DFN3030-8 formats. It represents a specialized solution for managing power integrity in sensitive electronic control units within modern vehicles.

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

Direct replacements include other AP7347EQ variants with different output voltages or packages, such as AP7347EQ-18FGECW-13A for 1.8V output. Cross-manufacturer equivalents require matching input ranges, current capabilities, and PSRR specifications.