AP7315D-295W5-7

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

The AP7315D-295W5-7 is a low dropout regulator manufactured by Diodes Incorporated, featuring an integrated auto-discharge circuit. It provides a fixed output voltage of 2.95V with ±1% accuracy and supports up to 150mA output current. The device operates within a wide input voltage range of 1.7V to 5.25V. Key electrical characteristics include a ripple rejection of 75dB at 1kHz and low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is as low as 35µA, and standby current is approximately 0.01µA when disabled.

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

• Integrated resistor network delivers precise fixed output voltage without external components.
• Built-in discharge mechanism automatically pulls the output low when the enable pin is deactivated.
• CMOS process architecture ensures high power supply rejection ratio and minimal output noise for sensitive loads.

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

• Smart Phone/PAD
• RF Supply
• Cameras
• Portable Videos
• Wireless Communication

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

Verify that the specific part number suffix matches the required package type and output voltage tolerance. Confirm the presence of the 'D' designation indicates the inclusion of the internal auto-discharge feature, which differs from standard versions. Ensure compliance with RoHS and Halogen-free requirements if specified for the target assembly environment.

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

Select this component when a fixed 2.95V rail is required alongside automatic output discharge upon shutdown. The SOT25 package offers a compact footprint suitable for dense PCB layouts. Consider the 150mA current capability and low quiescent current for battery-operated portable devices requiring efficient power management.

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

This component belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. The series utilizes a CMOS process to achieve low power consumption and fast transient response. The AP7315D variant specifically incorporates an auto-discharge function, distinguishing it from non-discharge models within the same family.

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

AP7315-295W5-7 (Non-discharge version)

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

What is the function of the 'D' suffix in the part number?

The 'D' suffix indicates that the regulator includes an internal auto-discharge circuit, which actively pulls the output voltage to ground when the enable pin is set to a low state.

How does the enable pin control the device operation?

Driving the EN pin high turns the regulator on, while pulling it low activates the shutdown mode and engages the internal discharge circuit to rapidly reduce the output voltage.