AP78L05VL-A

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

The AP78L05VL-A is a three-terminal positive voltage regulator from the AP78LXX series by Diodes Incorporated. It provides a fixed nominal output voltage of 5V with a tolerance of ±5%. The device delivers an output current in excess of 100mA and operates within an input voltage range of 7V to 20V. It features internal thermal overload protection, short-circuit current limiting, and safe area protection for output transistors. The component is housed in a plastic TO-92 package.

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

• Internal thermal overload protection prevents damage due to excessive junction temperature.
• Built-in short-circuit current limiting protects against abnormal conditions.
• Output transistor safe area protection limits internal power dissipation.
• Requires no external components for basic regulation functionality.

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

• Communication equipment
• CD-ROM drives
• DVD players
• Set-top boxes

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

Verify that the specific part number suffix corresponds to the TO-92 package configuration as indicated by the 'V' designation. Confirm compliance with RoHS directives and lead-free finish requirements specified for this package type. Ensure the ordering code matches the manufacturer's official documentation to avoid discrepancies in pinout or electrical characteristics.

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

Select this regulator when a fixed 5V supply is required for local on-card regulation. It serves as a replacement for Zener diode-resistor combinations to improve output impedance. Consider the maximum input voltage limit and thermal resistance characteristics for adequate heat sinking during high-current operation. Evaluate the operating ambient temperature range against application constraints.

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

This component belongs to the AP78LXX series of three-terminal positive regulators. The series includes variants with fixed output voltages of 5V, 8V, and 12V. These devices are designed for general solid-state electronic equipment and logic systems. The series utilizes industrial standard package technologies including TO-92, SOT89, and SO-8.

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

Consult the manufacturer datasheet for direct replacements within the AP78LXX series. Verify pin compatibility and electrical specifications before substituting with other manufacturers' equivalents. Ensure any alternative component meets the same thermal and current rating requirements.