AP7370-50W5-7

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

The AP7370-50W5-7 is a positive voltage regulator IC from Diodes Incorporated, featuring a wide input voltage range up to 18V and a fixed 5.0V output. It provides a maximum output current of 300mA with an ultra-low quiescent current. The device incorporates low dropout voltage characteristics, high output voltage accuracy, and built-in protections including current limit, thermal shutdown, and reverse current protection. It operates within a junction temperature range of -40°C to +125°C and is housed in a space-saving SOT25 package.

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

• Wide input voltage range supporting up to 18V for flexible power supply designs
• Ultra-low quiescent current consumption suitable for battery-powered applications
• Integrated reverse current protection prevents backflow when input voltage drops below output
• Built-in thermal shutdown and short-circuit current protection ensure operational safety

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

• Battery-powered equipment
• Laptop, palmtops, and notebook computers
• Portable information appliances
• Metering devices

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

Verify component authenticity through authorized channels as the datasheet marks this series as not recommended for new design. Confirm package type and output voltage suffix match requirements. Check RoHS compliance status and lead-free definitions before procurement. Validate that the specific lot meets storage and handling guidelines for surface-mount components.

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

Select this regulator for applications requiring stable 5V output from higher voltage rails up to 18V. Ensure input voltage remains above the minimum operating threshold while accounting for dropout voltage at expected load currents. Verify thermal management capabilities given the SOT25 package thermal resistance. Consider the end-of-life status when planning long-term product lifecycles.

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

This component belongs to the AP7370 series of Ultra-Low Dropout (ULDO) regulators designed by Diodes Incorporated. The series offers multiple fixed output voltages and various package options including SOT23, SOT25, SOT89, and U-DFN2020-6. The AP7370-50W5-7 specifically denotes the 5.0V output version in the SOT25 W5 package configuration.

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

AP7375-50W5-7

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

What is the maximum input voltage for the AP7370-50W5-7?

The maximum supply input voltage rating is 18V under recommended operating conditions, with an absolute maximum rating of 20V.

Does the AP7370-50W5-7 support reverse current flow?

No, the device includes reverse current protection to prevent current from flowing backward from the output to the input when the input voltage falls below the output voltage.