AP7387-33FDC-7

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

The AP7387-33FDC-7 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 an ultra-low quiescent current of 2µA typical. The device utilizes a U-DFN2020-6 (Type C) package and delivers high power supply rejection ratio performance of 70dB at 1kHz. Dropout voltage is specified at 700mV at 100mA and 1100mV at 150mA.

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

• Wide input voltage range supporting up to 60V for flexible power supply integration
• High output voltage accuracy maintained at ±2% across operating conditions
• Integrated thermal shutdown and short-circuit protection for enhanced reliability
• Fast line and load transient response capability for dynamic circuit demands

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 FDC-7 to confirm the U-DFN2020-6 (Type C) package configuration and tape-and-reel packing quantity. Ensure compatibility with PCB layout requirements regarding exposed pad thermal dissipation and ground connection. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning.

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

Select this component when a high-voltage input range up to 60V is required alongside low standby power consumption. The U-DFN2020-6 package offers a compact footprint suitable for space-constrained designs. Consider the thermal resistance characteristics of the package when designing for high ambient temperatures or heavy load currents near the 150mA limit.

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 includes variants in SOT23, SOT25, and SOT89 packages with different output voltages. The AP7387Q variant provides automotive-grade compliance under AEC-Q100 standards. This specific model represents the 3.3V fixed output version in the U-DFN2020-6 Type C package.

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

AP7387-33FDCR-7 serves as a direct alternative within the same package family.