The TA79L08F is a three-terminal negative voltage regulator from Toshiba Semiconductor and Storage. It is designed to provide a stable -8V output voltage and is part of the TA79L series, which is characterized by low current output and a compact package suitable for space-constrained applications. The TA79L08F is commonly used in applications where a small, efficient -8V supply is needed.

Applications

• Low-Power Analog Circuits: Provides the negative voltage rail for analog circuits requiring -8V.
• Portable Electronic Devices: Used in battery-powered devices where a regulated negative voltage is needed.
• Sensor Power Supplies: Provides stable power to sensors requiring a negative supply.
• Small Microcontroller Systems: Supplies the negative rail for microcontrollers and supporting components in low-power applications.
• Operational Amplifier Circuits: Powers op-amps requiring a dual supply voltage.

Features

• Fixed -8V Output Voltage: Simplifies design by eliminating the need for external voltage adjustment.
• Internal Short-Circuit Current Limiting: Protects the regulator and connected circuitry from damage.
• Thermal Overload Protection: Prevents the regulator from overheating and failing.
• Compact Package: Allows for use in devices where space is limited.
• Low Quiescent Current: Reduces power consumption in battery-powered applications.

Benefits

• Stable -8V Supply: Ensures reliable performance of electronic circuits by providing a consistent negative voltage.
• Simplified Design: Reduces the complexity of power supply implementations.
• Improved System Reliability: Built-in protection features prevent damage from overcurrent and overheating.
• Space Efficiency: Compact package allows for use in small devices.
• Energy Savings: Low quiescent current helps extend battery life.

Technical Specifications

The TA79L08F typically operates with an input voltage range of -10.5V to -24V. It can provide an output current of up to 100mA. The dropout voltage is typically around 1.7V. The operating junction temperature range is typically from -40°C to +125°C. For precise specifications and application guidelines, refer to the manufacturer's datasheet.