AP7315Q-30W5-7

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

The AP7315Q-30W5-7 is an automotive compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 3.0V output with a maximum current of 150mA. The device operates within an input voltage range of 1.7V to 5.25V and supports junction temperatures from -40°C to +125°C. Key electrical specifications include a ripple rejection of 75dB at 1kHz, output noise of 60µVrms (10Hz to 100kHz), and quiescent current as low as 35µA. It features ±1% output voltage accuracy and includes short-circuit protection.

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

• Automotive compliant design qualified to AEC-Q100 Grade 1 standards
• Integrated enable pin for precise power management control
• High power supply ripple rejection for noise-sensitive applications
• Low output noise characteristics suitable for RF and camera circuits

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

• Infotainment power supplies
• Automotive RF supply
• Cameras
• Automotive POL in ADAS
• Automotive wireless communication

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

Verify the specific suffix W5 corresponds to the SOT25 package and -7 indicates tape and reel packaging. Confirm that the Q suffix denotes Automotive Compliant status requiring PPAP support. Ensure the ordering code matches the required 3.0V fixed output variant. Cross-reference the manufacturer part number against official Diodes Incorporated documentation to validate component authenticity and revision level before procurement.

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

Select this component when an enable function is required alongside low noise performance. The AP7315Q lacks internal output discharge; use the AP7315DQ variant if automatic discharge upon shutdown is necessary. Verify that the load current does not exceed 150mA and that the input voltage remains within the specified 1.7V to 5.25V range. Consider thermal dissipation limits based on ambient temperature and PCB layout constraints.

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

This component belongs to the AP7315Q family of low dropout regulators designed for automotive environments. It utilizes a CMOS process to achieve high efficiency and low power consumption. The series offers various fixed output voltages ranging from 1.1V to 3.3V. All variants share similar electrical characteristics regarding ripple rejection and noise performance while differing primarily in output voltage settings and discharge capabilities.

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

The AP7315DQ-30W5-7 serves as a direct substitute if output discharge functionality is needed. Other AP7315Q variants with different output voltages may replace this unit if the system voltage requirements change. Commercial grade AP7315 parts are electrically identical but lack automotive compliance documentation.