AP7315Q-15W5-7

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

The AP7315Q-15W5-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.5V output with a guaranteed maximum load current of 150mA. The device operates within an input voltage range of 1.7V to 5.25V and maintains functionality across a temperature range of -40°C to +125°C. Key electrical characteristics include ±1% output voltage accuracy, 75dB ripple rejection at 1kHz, and a typical quiescent current of 35µA. It utilizes a SOT25-5 package.

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 ripple rejection ratio suitable for noise-sensitive applications
• Low output noise performance for sensitive circuitry

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

• Infotainment power supplies
• Automotive RF supply circuits
• Camera modules
• Point-of-load regulation in ADAS systems
• Automotive wireless communication equipment

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

Verify the specific suffix W5 corresponds to the SOT25 package configuration required for your PCB layout. Confirm that the Q suffix indicates Automotive Compliance status if PPAP documentation is necessary for your manufacturing process. Ensure the EN pin is properly biased during operation to maintain stable regulator function.

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

Select this component when designing for automotive environments requiring high reliability and strict noise suppression. The 1.5V fixed output makes it suitable for powering digital logic or sensor interfaces. Consider the 150mA current limit and thermal dissipation capabilities relative to your expected load profile and ambient operating conditions.

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

This part belongs to the AP7315Q series of low dropout regulators designed specifically for automotive applications. The series offers various fixed output voltages ranging from 1.1V to 3.3V. The non-discharge variant (AP7315Q) differs from the discharge version (AP7315DQ) regarding internal output capacitor discharge mechanisms upon shutdown.

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

The AP7315DQ-15W5-7 serves as a functional substitute within the same family, differing primarily by the inclusion of an output discharge feature.