AP7375-50W5-7

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

The AP7375-50W5-7 is a fixed-output low-dropout linear regulator manufactured by Diodes Incorporated. It provides a regulated 5.0V output with a maximum load current of 300mA. The device supports a wide input voltage range from 3V to 45V and features an enable pin capable of handling up to 45V. Key electrical characteristics include a typical quiescent current of 2.1µA, high power supply rejection ratio of 85dB at 1kHz, and excellent line and load regulation. The component is housed in a SOT25 surface-mount package.

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

• Integrated enable pin for precise control of the LDO output state
• Built-in thermal shutdown and short-circuit protection mechanisms
• Fast transient response to line voltage and load current changes without overshoot
• High power supply rejection ratio suitable for noise-sensitive applications

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

• Battery-powered equipment
• Smoke detectors and sensors
• Microcontroller applications
• Home appliances

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

Verify the specific ordering suffix W5 corresponds to the SOT25 package configuration required for your design. Confirm that the 5.0V fixed output voltage aligns with system requirements. Ensure compatibility with the 45V maximum input voltage rating. Check datasheet specifications for thermal resistance values relevant to your PCB layout and ambient operating conditions.

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

Select this component when a wide input voltage range up to 45V is necessary alongside a stable 5V rail. The low quiescent current makes it suitable for battery-operated systems requiring extended operational life. Consider the SOT25 package dimensions and thermal dissipation capabilities during the initial circuit design phase to ensure reliable performance under maximum load conditions.

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

This part belongs to the AP7375 series of ultra-low dropout regulators designed for high-voltage input applications. The series offers multiple fixed output voltages and various package options including SOT23, SOT89, and U-DFN2020-6. The AP7375 family is engineered to provide robust performance in industrial and consumer electronics environments requiring efficient power management.

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

AP7375-50WR-7

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

What is the function of the EN pin on the AP7375-50W5-7?

The EN (Enable) pin allows the user to turn the LDO output on or off. It accepts an input voltage up to 45V, making it compatible with high-voltage control signals.

Does the AP7375-50W5-7 include protection features?

Yes, the device includes integrated short-circuit protection and thermal shutdown functionality to prevent damage during overcurrent or excessive temperature conditions.