AP7375-30W5-7

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

The AP7375-30W5-7 is a wide input voltage range, low quiescent current, low-dropout linear regulator (LDO) from Diodes Incorporated. It provides a fixed 3.0V output with a maximum load current of 300mA. The device operates within an input voltage range of 3V to 45V and features a typical quiescent current of 2.1µA. It includes an enable pin supporting up to 45V logic levels. The unit is housed in a SOT25 package.

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

• Wide input voltage range capability up to 45V
• Integrated enable pin for power control
• High power supply rejection ratio at 1kHz
• Built-in thermal shutdown and short-circuit protection

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 confirms the SOT25 package type before procurement. Confirm that the 30 designation matches the required 3.0V output voltage. Ensure the -7 suffix aligns with the required tape and reel packing quantity. Cross-reference the manufacturer part number against official distributor catalogs to validate authenticity.

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

Select this component when a high input voltage tolerance up to 45V is required alongside a fixed 3.0V rail. The low quiescent current makes it suitable for battery-operated designs where standby power consumption must be minimized. Verify that the SOT25 package footprint fits the PCB layout constraints and that the thermal dissipation requirements are met 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 for fast transient response and noise-sensitive industrial environments.

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

AP7375-30SA-7: Alternative SOT23 package version with identical electrical specifications.

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

What is the function of the NC pin on the SOT25 package?

Pin 4 is internally not connected. It is recommended to connect it to GND on the PCB to maximize copper area for better thermal dissipation.

Does the AP7375-30W5-7 require an external capacitor for stability?

Yes, an output capacitor is required for stability. A minimum of 1µF ceramic capacitor (X7R or X5R) is recommended.