AP7375Q-18Y-13

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

The AP7375Q-18Y-13 is a fixed-output automotive-compliant low-dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 1.8V output with a maximum load current of 300mA and features an enable pin supporting up to 45V input voltage. The device operates within a wide input voltage range of 3V to 45V, maintaining a typical quiescent current of 2.1µA. It incorporates integrated short-circuit protection and thermal shutdown functionality. The component is housed in a SOT-89-3 surface-mount package.

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

• Automotive-grade reliability with AEC-Q100 qualification and IATF 16949 manufacturing certification
• Integrated enable control pin for power management and system state control
• High power supply rejection ratio ensuring stable operation under noisy conditions
• Built-in thermal shutdown and current-limiting mechanisms for circuit protection

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

• Powering microcontrollers (MCUs) and CAN/LIN transceivers
• Automotive head unit power distribution
• EV and HEV battery management systems
• Body control modules and transmission control units

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

Verify the specific suffix 'Y' corresponds to the SOT-89-3 package configuration required for your PCB layout. Confirm that the 1.8V fixed output aligns with your target logic levels. Ensure the design accommodates the recommended input and output capacitor values specified in the datasheet for stability. Validate that the operating temperature range meets your environmental requirements.

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

Select this component when a high-voltage tolerant LDO with automotive certification is required. The wide input voltage range supports direct connection to vehicle battery lines or transient-rich environments. The low quiescent current aids in extending battery life in standby modes. Verify that the thermal dissipation capabilities of the SOT-89 package are sufficient for your expected load current and ambient temperature conditions.

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

This part belongs to the AP7375Q series, designed specifically for automotive applications requiring strict change control and quality standards. The series offers multiple fixed output voltages and various package options including SO-8EP, SOT25, and U-DFN2020-6. The 'Q' designation indicates compliance with automotive reliability standards, distinguishing it from standard commercial grade regulators.

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

AP7375Q-18SP-13: Alternative package version (SO-8EP) with identical electrical characteristics.

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

Does the AP7375Q-18Y-13 include an enable pin?

Yes, the device includes an EN pin that allows the user to enable or disable the LDO output. This pin can accept an input voltage of up to 45V.

What is the maximum input voltage for this regulator?

The AP7375Q-18Y-13 supports a wide input voltage range from 3V to 45V.