AP7387Q-50Y-13

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

The AP7387Q-50Y-13 is an automotive-compliant wide input voltage range linear regulator manufactured by Diodes Incorporated. It provides a fixed 5V output with a maximum current of 150mA and operates within a 5V to 60V input range. The device features a low quiescent current of 2µA, high PSRR of 70dB at 1kHz, and excellent line/load regulation. It includes thermal shutdown, short-circuit protection, and output current limiting. Packaged in SOT-89-3, it meets AEC-Q100 standards for automotive applications.

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

• Automotive-grade reliability compliant with AEC-Q100 standards
• Wide input voltage range supporting up to 60V
• Integrated thermal shutdown and short-circuit protection
• High power supply rejection ratio for noise immunity

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 suffix 'Y' corresponds to the SOT-89 package and '-13' indicates tape and reel packaging per official documentation. Confirm compliance requirements such as RoHS and halogen-free status align with project specifications. Ensure the ordering code matches the exact voltage version required. Cross-reference datasheet revision numbers to validate electrical characteristics against current production batches.

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

Select this component when designing circuits requiring robust automotive power management with high input voltage tolerance. The fixed 5V output simplifies design for standard logic levels. Consider the 150mA current limit for load requirements. Evaluate thermal dissipation needs based on the dropout voltage and ambient temperature conditions. Verify PCB layout guidelines for optimal stability and transient response performance.

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

This part belongs to the AP7387Q series of ultra-low dropout regulators designed specifically for automotive environments. It shares core architectural features with other variants in the family but differs in output voltage and package type. The Q suffix denotes automotive qualification, distinguishing it from commercial grade parts. It serves as a reliable power source for sensitive electronics in vehicles.

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

AP7387-50Y-13

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

What is the typical dropout voltage at full load?

The typical dropout voltage is 1100mV at an output current of 150mA.

Does the device support adjustable output voltages?

No, the AP7387Q-50Y-13 provides a fixed 5.0V output voltage.

What protection features are included?

It includes thermal shutdown, short-circuit protection, and output current limiting.