AP7387-50SA-7

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

The AP7387-50SA-7 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 5V output with a maximum load current of 150mA. It operates within a wide input voltage range from 5V to 60V and features a typical quiescent current of 2µA. The device incorporates high power supply rejection ratio (PSRR) of 70dB at 1kHz and maintains an output voltage accuracy of ±2%. It is housed in a surface-mount SOT-23 package and includes built-in thermal shutdown, short-circuit protection, and output current limiting.

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

• Wide input voltage capability up to 60V for flexible power supply integration
• Ultra-low quiescent current consumption for battery-powered applications
• Integrated thermal shutdown and short-circuit protection for enhanced reliability
• High power supply rejection ratio to minimize noise impact on the output

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 'SA' corresponds to the SOT-23 package and standard tape-and-reel packaging configuration. Confirm that the component meets RoHS compliance requirements and halogen-free specifications as defined by the manufacturer. Ensure the selected part number matches the required 5V fixed output version for your design implementation.

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 SOT-23 package is suitable for space-constrained designs requiring surface-mount technology. Consider the thermal resistance characteristics of the package when designing for maximum load currents to ensure operation within safe junction temperature limits.

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

This component belongs to the AP7387 series of ultra-low dropout regulators designed for high-voltage applications. The series offers multiple fixed output voltages and various package options including SOT-23, SOT89, and U-DFN2020-6. An automotive-grade variant, AP7387Q, is available separately for applications requiring AEC-Q100 compliance.

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

AP7387-30SA-7

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

What is the minimum recommended output capacitance for stability?

A minimum output capacitance of 10µF is required for stability, with ceramic capacitors having X7R or X5R temperature characteristics being recommended.

How does the device handle overcurrent conditions?

The AP7387-50SA-7 includes internal current-limit protection that clamps the output current at a pre-designed level to prevent damage during overcurrent or short-circuit events.