STMICROELECTRONICS L7905ACV Voltage Regulator, -5V, TO-220

The L7905ACV is a three-terminal negative voltage regulator from STMICROELECTRONICS, designed to deliver a fixed -5V output with up to 1.5A of current. This device provides local on-card regulation, effectively eliminating the distribution problems often associated with single-point regulation. When paired with the L78 positive standard series, it becomes particularly suited for split power supply applications, offering a balanced and reliable power solution.

This regulator is built for robust performance, featuring thermal overload protection, short-circuit protection, and output transition SOA protection. The output tolerance of 2% at 25°C ensures stable and accurate voltage regulation. Although primarily designed as a fixed voltage regulator, the L7905ACV can be used with external components to achieve adjustable voltages and currents, providing flexibility for a wide range of design requirements.

Key Features

• Output Type: Fixed
• Output Voltage: -5V (nominal)
• Output Current: Up to 1.5A
• Input Voltage Range: -35V to -10V
• Number of Outputs: 1
• Polarity: Negative output
• Dropout Voltage: 1.4V (typical at rated current)
• IC Mounting: Through hole
• IC Case / Package: TO-220
• Number of Pins: 3
• Operating Temperature Range: 0°C to 125°C

The TO-220 package allows for efficient heat dissipation and easy mounting on a PCB or heatsink. With its comprehensive protection features and reliable performance, the L7905ACV is an excellent choice for power management applications, including automotive electronics and other systems requiring a stable negative supply rail.