AP7387-33W5-7

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

The AP7387-33W5-7 is a fixed-output linear regulator from Diodes Incorporated, providing a stable 3.3V output with a maximum current capacity of 150mA. It operates within a wide input voltage range of 5V to 60V and features an ultra-low quiescent current of 2μA typical. The device includes comprehensive protection mechanisms such as thermal shutdown, short-circuit protection, and output current limiting. Packaged in the SOT25 form factor, it delivers high power supply rejection ratio performance.

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

• Ultra-low quiescent current consumption for extended battery life
• Wide input voltage tolerance up to 60V
• Integrated thermal shutdown and short-circuit protection
• High power supply rejection ratio at 1kHz

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 suffix W5 confirms the SOT25 package configuration before ordering. Ensure the -33 designation matches the required 3.3V output voltage for the target circuit design. Confirm that the standard tape and reel packaging aligns with automated assembly requirements. Cross-reference the manufacturer part number against official distributor catalogs to ensure authenticity and correct revision status.

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

Select this component when a high-voltage tolerant LDO with low static current is required. The SOT25 package offers a compact footprint suitable for space-constrained designs. Consider the dropout voltage characteristics under varying load conditions to ensure regulation stability. Verify that the input voltage range covers the system's operational extremes without exceeding absolute maximum ratings.

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

This part belongs to the AP7387 series of wide input voltage ULDO regulators. The series provides multiple fixed output voltages including 3.0V, 3.3V, 3.6V, and 5.0V options. It is designed for applications requiring robust line/load transient response and high accuracy. The family supports various packages including SOT23, SOT89, and U-DFN2020-6.

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

AP7387-33Y-13

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

What is the recommended output capacitor value for stability?

A minimum output capacitance of 10μF is required. Ceramic capacitors with X7R or X5R temperature characteristics are recommended.

How does the device handle overcurrent conditions?

The AP7387-33W5-7 includes internal current-limit protection that clamps the output current to prevent damage during overload or short-circuit events.