The LM723J/883QS is a precision voltage regulator designed by National Semiconductor (now Texas Instruments). This device is specifically manufactured to meet stringent military specifications, making it suitable for demanding applications requiring high reliability and performance. It's a versatile regulator that can be used in a wide array of power supply designs.
Applications:
- Precision Power Supplies: Used in laboratory equipment, test instrumentation, and calibration standards.
- Series Regulators: Designed for use as a series regulator, offering a stable and controlled output voltage.
- Switching Regulators: Configurable for use in switching regulator topologies, providing efficient power conversion.
- Current Regulators: Can be used as a constant current source for applications like LED driving or battery charging.
- High-Reliability Military Applications: Specifically designed and tested to meet military specifications for use in aerospace, defense, and other high-stress environments.
Features:
- Wide Input Voltage Range: Operates with a wide range of input voltages, providing design flexibility.
- Adjustable Output Voltage: The output voltage can be adjusted to the desired level using external resistors.
- Current Limiting: Includes built-in current limiting circuitry to protect the regulator and the load from overcurrent conditions.
- Thermal Shutdown: Features thermal shutdown protection to prevent damage due to excessive heat.
- High Stability: Provides a stable and accurate output voltage over a wide range of operating conditions.
- Low Temperature Drift: Exhibits minimal drift in output voltage due to temperature variations.
Benefits:
- Precise Voltage Regulation: Ensures a stable and accurate output voltage for sensitive electronic circuits.
- Protection Against Overloads: Current limiting and thermal shutdown features protect the regulator and the load from damage.
- Design Flexibility: Adjustable output voltage and wide input voltage range allow for versatile applications.
- High Reliability: Manufactured to military specifications, ensuring high reliability in demanding environments.
- Simplified Power Supply Design: Requires minimal external components for basic operation.
Technical Specifications:
The LM723J/883QS is typically packaged in a hermetically sealed ceramic DIP (Dual In-line Package). The operating temperature range is usually -55°C to +125°C. It can deliver output currents up to 150mA without an external pass transistor and higher currents with an external transistor. Refer to the datasheet for specific voltage and current limits.