AP7387-33YR-13

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

The AP7387-33YR-13 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 3.3V output with a maximum current capacity of 150mA. It operates within a wide input voltage range from 5V to 60V and features low quiescent current of 2µA typical. The device includes high PSRR of 70dB at 1kHz, thermal shutdown, short-circuit protection, and output current limiting. Packaged in SOT-89-3 (AP7387-XXYR-13), it supports an operating junction temperature up to +125°C.

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

• Wide input voltage range supporting up to 60V
• Integrated thermal shutdown and short-circuit protection
• Low quiescent current for battery-powered applications
• High power supply rejection ratio

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

• Battery-powered equipment
• Smoke detectors and sensors
• EV and HEV battery management systems
• Micro-controller applications
• Home appliances

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

Verify the specific ordering suffix 'YR' corresponds to the SOT-89 package variant when sourcing. Confirm compliance with RoHS 3 and REACH standards as indicated in the datasheet. Ensure proper PCB layout practices are followed for thermal dissipation and stability, particularly regarding ground plane connections and capacitor placement near pins.

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

Select this component for designs requiring high input voltage tolerance up to 60V with a fixed 3.3V output. Consider the SOT-89 package for its thermal performance compared to smaller packages. Evaluate the need for external capacitors, recommending a minimum 10µF output capacitor for stability. Check if automotive-grade variants are required for harsher environments.

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

This part belongs to the AP7387 series of ultra-low dropout regulators from Diodes Incorporated. The series offers multiple fixed output voltages including 3.0V, 3.3V, 3.6V, and 5.0V. It is available in various packages such as SOT23, SOT25, SOT89, and U-DFN2020-6. The YR suffix specifically denotes the SOT-89 package configuration.

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

Direct pin-to-pin replacements within the same family include AP7387-33Y-13, which shares the same electrical characteristics but may differ in moisture sensitivity level or marking. Other output voltage variants like AP7387-30YR-13 (3.0V) or AP7387-50YR-13 (5.0V) can be used if the voltage requirement changes.