AP7351D-15W5-7

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

The AP7351D-15W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a stable 1.5V output with a maximum current of 150mA. It operates within an input voltage range of 1.4V to 5.5V and features ultra-low quiescent current of 0.5µA and standby current of 0.02µA. The device includes an enable pin for power control, offers ±1% output voltage accuracy, and achieves ripple rejection up to 60dB at 1kHz. Packaged in SOT-25, it supports an operating temperature range from -40°C to +85°C.

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

• Ultra-low quiescent and standby currents designed to extend battery life in portable devices
• Integrated enable pin allows precise on/off control and shutdown mode management
• High output voltage accuracy ensures reliable performance across varying load conditions
• Low dropout voltage capability maintains regulation even when input voltage approaches the output level

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

• Wearable electronics requiring extended battery operation
• Sensor modules for Internet-of-Things (IoT) applications
• Wireless communication modules
• Battery-operated handheld devices
• Camera systems and image sensors

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

Verify that the component matches the specific Diodes Incorporated part number AP7351D-15W5-7. Confirm the package type is SOT-25 and the output voltage is fixed at 1.5V. Ensure the datasheet revision aligns with your design requirements. Check for RoHS compliance and lead-free status as specified in the manufacturer documentation before finalizing procurement.

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

Select this regulator for applications prioritizing minimal power consumption during active and standby states. The 1.5V fixed output suits digital logic or sensor interfaces requiring this specific rail. Consider the SOT-25 package size for space-constrained PCB layouts. Verify that the input voltage remains above the minimum threshold while accounting for dropout voltage under maximum load conditions.

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

This component belongs to the AP7351D series of ultra-low quiescent current LDOs from Diodes Incorporated. The series provides various fixed output voltages ranging from 0.8V to 4.5V. The AP7351D-15W5-7 specifically denotes the 1.5V output variant packaged in SOT-25 with tape and reel packaging. It shares core architectural features with other variants in the family but differs in output voltage and physical packaging options.

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

Direct replacements must match the 1.5V output, 150mA current rating, and SOT-25 package. Verify equivalent quiescent current specifications if battery life is critical. Ensure the replacement device supports the same input voltage range and thermal characteristics. Cross-reference pinouts to confirm compatibility with existing PCB layouts.