LM 7912 NEGATIVE VOLTAGE REGULATOR TO 252 – Best and Reliable

LM 7912 NEGATIVE VOLTAGE REGULATOR TO 252 – Best and Reliable

The LM 7912 is a robust three-terminal negative voltage regulator in a compact TO-252 (SMD) package, designed to deliver a stable -12V output for a wide range of electronic applications. Engineered for reliability, this IC ensures consistent performance in circuits requiring precise negative voltage regulation, such as audio amplifiers, op-amp circuits, and dual power supply systems. With a maximum output current of 500mA and an input voltage range of -14.5V to -30V, the LM7912 is ideal for compact, high-density circuit designs.

The LM 7912 in the TO-252 package combines compact design with high performance, making it an excellent choice for engineers and hobbyists seeking a dependable negative voltage regulator for space-constrained applications. Its built-in protections and low noise characteristics ensure long-term reliability in demanding environments, from consumer electronics to industrial control systems.

Key Features:

• Fixed -12V Output: Provides a steady negative 12V output with ±2% voltage tolerance for dependable operation.

• TO-252 SMD Package: Space-saving surface-mount design for modern, high-density PCB layouts.

• Built-In Protections: Includes thermal overload and short-circuit protection to safeguard circuits and extend IC lifespan.

• Low Quiescent Current: Ensures efficient regulation with minimal power loss.

• High Ripple Rejection: Delivers clean, stable output even with fluctuating input voltages.

• Wide Input Voltage Range: Operates reliably between -14.5V and -30V.

Applications:

• Dual Power Supplies: Perfect for analog circuits requiring stable positive and negative voltage rails.

• Audio Electronics: Ensures clean power for preamps, mixers, and other audio equipment.

• Industrial Systems: Supports sensors, microcontrollers, and other sensitive components in industrial applications.

• Telecommunication Equipment: Provides reliable negative voltage for telecom circuits.