AP7375Q-30WR-7

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

The AP7375Q-30WR-7 is a fixed-output automotive compliant ultra-low dropout (ULDO) linear regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.0V with a maximum load current capability 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 incorporates an enable pin capable of handling up to 45V, ensuring fast response to line and load transients without overshoot during startup or short-circuit recovery. The component is housed in a SOT-25 package (Package Code WR) and includes integrated thermal shutdown and short-circuit protection functions.

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

• Wide input voltage range supporting up to 45V for robust operation in high-voltage environments
• Integrated enable pin allowing precise control over the LDO output state
• Fast transient response capabilities that prevent voltage overshoot during startup and recovery phases
• Built-in thermal shutdown and short-circuit protection mechanisms to safeguard against damage

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

• Powering microcontrollers (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 package code 'WR' corresponds to the required SOT-25 footprint and pinout configuration for your PCB layout. Confirm that the 3.0V fixed output aligns with your system's power rail requirements. Ensure the design accommodates the necessary input and output capacitance values specified in the datasheet to maintain stability under varying load conditions.

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

Select this component when a wide input voltage range up to 45V is required alongside a stable 3.0V output. It is suitable for applications demanding low quiescent current and high reliability in automotive environments. Consider the SOT-25 package size constraints and verify that the thermal dissipation characteristics meet the operating temperature expectations of the target application.

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 multiple fixed output voltages including 1.8V, 3.0V, 3.3V, and 5.0V. It is AEC-Q100 qualified and PPAP capable, designed for manufacturing in IATF 16949 certified facilities. The series supports various packages such as SOT89, SO-8EP, SOT25, and U-DFN2020-6.

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

AP7375Q-30W5-7

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

What is the function of the EN pin on the AP7375Q?

The EN pin allows the user to enable or disable the LDO output. It can accept an input voltage of up to 45V.

Does the AP7375Q provide protection against short circuits?

Yes, the device features integrated short-circuit protection that clamps the output current to a pre-designed level to prevent damage.