AP7387Q-30FDCW-7

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

The AP7387Q-30FDCW-7 is a fixed-output automotive-grade low-dropout linear regulator manufactured by Diodes Incorporated. It provides a nominal 3.0V output with a maximum continuous current of 150mA. The device supports an input voltage range from 5V to 60V and features a typical quiescent current of 2μA. It utilizes the U-DFN2020-6 (SWP) package, designated as Type UXC, and is supplied in a 3,000-unit tape and reel format.

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

• Automotive compliance with AEC-Q100 qualification and PPAP capability for specific change control requirements.
• High power supply rejection ratio of 70dB at 1kHz to effectively filter input noise.
• Integrated protection mechanisms including thermal shutdown, short-circuit protection, and output current limiting.

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

• Powering microcontrollers and CAN/LIN transceivers
• Automotive head units
• EV and HEV battery management systems
• Body control modules
• Transmission control units

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

Verify that the component matches the specified U-DFN2020-6 package type and the 3.0V fixed output designation. Confirm the presence of the automotive suffix 'Q' and the '-7' packing code to ensure correct traceability and reel quantity. Cross-reference the manufacturer part number against official Diodes Incorporated documentation to validate authenticity before integration into production designs.

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

Select this regulator when a wide input voltage range up to 60V is required alongside high PSRR performance. The U-DFN2020-6 package offers a compact footprint suitable for space-constrained automotive PCB layouts. Ensure the application demands a fixed 3.0V rail and can accommodate the device's thermal characteristics within the specified operating temperature range.

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

This component belongs to the AP7387Q series of ultra-low dropout regulators designed specifically for automotive environments. The series includes variants with different output voltages and packages, such as SOT89. The AP7387Q-30FDCW-7 represents the 3.0V version in the smaller U-DFN2020-6 form factor, providing robust power management for sensitive electronic loads.

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

Direct substitutes include other AP7387Q variants with identical electrical specifications but different output voltages or packages, such as AP7387Q-33FDCW-7 or AP7387Q-30Y-13. Verify pin compatibility and thermal resistance differences when considering alternative package options within the same product family.

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

What is the recommended output capacitor value for stability?

A minimum output capacitance of 1μF is required. Ceramic capacitors with X7R or X5R temperature characteristics are recommended to ensure stability and improve transient response.

How does the device handle overcurrent conditions?

The AP7387Q-30FDCW-7 includes an internal current-limit circuit that clamps the output current to a pre-designed level if it exceeds the threshold or if the output is shorted to ground, preventing damage.