AP7370-18Y-13

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

The AP7370-18Y-13 is a positive fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a stable 1.8V output with a maximum current capacity of 300mA. The device supports an input voltage range from 3.2V to 18V and operates within a junction temperature range of -40°C to +125°C. It utilizes a SOT-89-3 surface-mount package. Key electrical characteristics include a line regulation of 0.05%/V, load regulation of 0.5%, and thermal shutdown protection at +160°C.

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

• Integrated reverse current protection prevents backflow when the input voltage drops below the output voltage.
• Includes comprehensive protection mechanisms such as thermal shutdown and short-circuit current limiting.
• Designed for compatibility with low equivalent series resistance (ESR) ceramic capacitors.

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

• Battery-powered equipment
• Laptop and notebook computers
• Portable information appliances

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

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS 3 compliance requirements against specific project standards. Validate that the SOT-89-3 footprint matches existing PCB layouts. Ensure proper handling procedures are followed during assembly to prevent electrostatic discharge damage.

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

Select this component for designs requiring wide input voltage tolerance up to 18V in a compact form factor. Consider the 300mA output limit when sizing power delivery requirements. Evaluate the thermal performance characteristics relative to the expected ambient operating conditions and board layout constraints.

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

This part belongs to the AP7370 series of ultra-low dropout regulators designed for portable electronics. The '18' suffix indicates a fixed 1.8V output, while 'Y' denotes the SOT-89 package type. The '-13' suffix specifies tape and reel packaging with a quantity of 2500 units per reel.

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

Diodes Incorporated recommends the AP7375 series as a replacement for new designs. Verify pinout compatibility and electrical specifications before substituting the AP7370-18Y-13 with alternative components.

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

What is the maximum input voltage supported by the AP7370-18Y-13?

The absolute maximum rating for the supply input voltage is 20V, though recommended operating conditions specify a maximum of 18V.

Does the AP7370-18Y-13 support reverse current flow?

No, the device includes built-in reverse current protection to prevent current from flowing backward from the output to the input.