AP7375Q-50W5-7

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

The AP7375Q-50W5-7 is a fixed-output ultra-low-dropout linear regulator manufactured by Diodes Incorporated. It provides a regulated 5.0V output with a maximum load current of 300mA. The device operates within a wide input voltage range from 3V to 45V and features a low quiescent current of 2.1µA typical. It includes an enable pin (EN) that accepts up to 45V. The component is housed in a SOT-25 package (Package Code W5) and is packaged in tape and reel format.

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

• Wide input voltage range supporting 3V to 45V operation
• Integrated enable pin for power control
• Automotive qualified with AEC-Q100 standards
• Includes thermal shutdown and short-circuit protection

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

• Powering MCUs and CAN/LIN transceivers
• Automotive head units
• EV and HEV battery management systems
• Body control modules
• Transmission control units (TCUs)

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

Verify the specific ordering suffix 'W5' corresponds to the SOT-25 package configuration required for your PCB layout. Confirm the '-7' packing suffix matches your automated assembly equipment specifications. Ensure the design accounts for the automotive-grade reliability requirements, including PPAP capability and IATF 16949 manufacturing certification, as these are intrinsic to this part number.

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

Select this component when a stable 5V rail is needed from high-voltage automotive bus lines up to 45V. The SOT-25 package offers a compact footprint suitable for space-constrained designs. Consider the 300mA current limit and dropout characteristics under expected load conditions. Verify that the external capacitor values meet the stability requirements specified in the datasheet for optimal transient response.

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

This part belongs to the AP7375Q series of automotive-compliant ULDO regulators. The series offers various fixed output voltages including 1.8V, 3.0V, 3.3V, and 5.0V. Different package options such as SOT89, SO-8EP, and U-DFN2020-6 are available within the same family, allowing designers to choose the most appropriate thermal and spatial solution for their specific application constraints.

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

Compatible substitutes include other AP7375Q variants with different output voltages or packages, such as AP7375Q-33W5-7 for 3.3V output in the same SOT-25 package. Cross-brand replacements require matching the 300mA current rating, 45V input limit, and SOT-25 footprint.