AP7315Q-29W5-7

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

The AP7315Q-29W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 2.9V with an accuracy of ±1%. The device supports a maximum output current of 150mA and operates within an input voltage range of 1.7V to 5.25V. Key electrical characteristics include a typical ripple rejection ratio of 75dB at 1kHz, a low output noise of 60µVrms from 10Hz to 100kHz, and a quiescent current as low as 35µA. It is qualified to AEC-Q100 Grade 1 standards.

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

• Automotive compliant design supporting PPAP documentation for specific change control requirements
• Integrated enable pin allows precise power management through high or low logic level control
• CMOS process technology ensures low output noise and minimal quiescent current consumption

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 part number suffix W5 corresponds to the SOT25 package and -7 indicates tape and reel packaging. Confirm that the non-discharge variant (AP7315Q) meets system requirements instead of the discharge version (AP7315DQ). Ensure compliance with automotive quality standards such as AEC-Q100 Grade 1 and IATF 16949 manufacturing facilities before finalizing procurement.

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

Select this component when designing for noise-sensitive automotive environments requiring stable power delivery. The wide input voltage range accommodates various battery and rail conditions. Verify thermal dissipation capabilities against expected load currents and ambient temperatures to ensure operation remains within the recommended junction temperature limits during continuous use.

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

This device belongs to the AP7315Q family of low dropout regulators designed specifically for automotive applications. It shares core specifications with other variants in the series but differs in output voltage settings and package configurations. The Q suffix denotes automotive compliance, distinguishing it from commercial grade counterparts while maintaining identical electrical performance profiles.

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

Direct substitutes within the same family include AP7315Q-28W5-7 and AP7315Q-30W5-7, which offer similar electrical characteristics with slightly different fixed output voltages. Ensure any replacement maintains the required 150mA output current capability and AEC-Q100 qualification status for automotive integration.