AP7315DQ-33W5-7

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

The AP7315DQ-33W5-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 3.3V output with a guaranteed maximum current of 150mA. The device operates within an input voltage range of 1.7V to 5.25V and supports an ambient temperature range from -40°C to +125°C. Key electrical characteristics include a quiescent current as low as 35µA, ripple rejection of 75dB at 1kHz, and output noise of 60µVrms from 10Hz to 100kHz. It features an integrated enable pin and built-in auto-discharge function.

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

• Integrated enable control for power management and built-in auto-discharge functionality
• High ripple rejection ratio suitable for noise-sensitive automotive applications
• Low output noise performance ensuring stable power delivery
• Automotive compliant qualification supporting PPAP documentation

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 'D' indicates the inclusion of the output discharge feature, which distinguishes this variant from the standard non-discharge version. Confirm that the 'Q' suffix aligns with AEC-Q100 Grade 1 qualification requirements for your target application. Ensure the W5 package code matches your PCB footprint design constraints before finalizing procurement orders.

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

Select this component when designing systems requiring strict automotive compliance and high power supply rejection ratios. The integrated discharge feature makes it suitable for applications needing rapid output voltage decay upon shutdown. Evaluate thermal dissipation capabilities against expected load currents to ensure operation remains within the specified junction temperature limits during continuous use.

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

This part belongs to the AP7315Q family of low dropout regulators designed specifically for automotive environments. It utilizes a CMOS process to achieve low power consumption while maintaining high accuracy. The series includes variants with and without output discharge functions, all sharing similar electrical profiles but differing in post-shutdown behavior and specific ordering suffixes.

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

AP7315Q-33W5-7