AP7354D-15W5-7

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

The AP7354D-15W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a guaranteed output voltage of 1.5V with an accuracy of ±1%. The device supports an output current of up to 150mA and operates within an input voltage range of 2.0V to 5.5V. It features an ultra-low quiescent current of 0.25µA and a typical standby current of 0.02µA. The component includes an enable pin for power control and built-in output discharge functionality. It is housed in a surface-mount SOT-25-5 package.

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

• Integrated resistor network delivers fixed output voltage options without external feedback components.
• Built-in output discharge circuit ensures rapid shutdown when the enable pin is deactivated.
• Includes internal voltage reference, error amplifier, and current limit protection circuits.
• High electrostatic discharge protection exceeding 4000V Human Body Model standards.

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

• Wearable Electronics
• Sensor Module for Internet-of-Things (IoT)
• Wireless Communication Module
• Battery-Operated Device

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

Verify that the specific part number suffix W5 corresponds to the SOT-25-5 package configuration required for your design. Confirm the 'D' designation indicates the presence of the integrated output discharge feature, as this distinguishes it from non-discharge variants. Ensure compatibility with RoHS compliance requirements and check for any automotive-specific change control needs if applicable to your manufacturing environment.

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

Select this component when a fixed 1.5V rail is required with minimal static power consumption. The inclusion of the enable pin allows for system-level power management and extended battery life in portable applications. The SOT-25-5 package offers a compact footprint suitable for space-constrained PCB layouts. Verify that the input voltage remains within the 2.0V to 5.5V operational window to ensure stable regulation.

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

This device belongs to the AP7354 series of ultra-low quiescent current LDOs. The 'D' suffix specifically denotes the version equipped with an active output discharge function, while the 'W5' suffix identifies the SOT-25-5 physical package. This variant is distinct from the standard AP7354 which lacks the discharge feature and other package options like SOT-23 or X2-DFN1010-4.

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

AP7354-15W5-7

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

What is the function of the 'D' suffix in the AP7354D-15W5-7 part number?

The 'D' suffix indicates that the device includes an integrated output discharge resistor, allowing the output voltage to be pulled down rapidly when the enable pin is set low.

How does the enable pin operate on this regulator?

Driving the EN pin high enables the regulator output, while pulling it low places the regulator into shutdown mode and activates the output discharge function.