Product Overview: LT1121CN8-5

The LT1121CN8-5 is a low dropout positive fixed 5V regulator from Linear Technology, designed to provide a stable and reliable power supply in a wide array of electronic applications. This component is known for its low power consumption and small footprint, making it an ideal choice for battery-powered devices and portable equipment.

Key Features

• Low Dropout Voltage: The LT1121CN8-5 boasts a low dropout voltage of typically 0.4V at 150mA of output current, ensuring efficient operation even when the input voltage is close to the output voltage.
• High Output Voltage Accuracy: This regulator provides an output voltage accuracy of ±2%, ensuring precise power delivery for sensitive electronic circuits.
• Low Quiescent Current: With a quiescent current of only 30µA in operation and 16µA in shutdown, the LT1121CN8-5 is optimized for battery-powered systems where power conservation is critical.
• Thermal Protection: The device includes built-in thermal overload protection that protects the regulator from damage due to overheating.
• Stable with Low ESR Capacitors: The LT1121CN8-5 remains stable with low equivalent series resistance (ESR) capacitors, making it compatible with modern ceramic capacitors that are smaller, more reliable, and have better performance characteristics.

Applications

The versatility of the LT1121CN8-5 allows it to be used in a variety of applications, including:

• Battery-powered equipment
• Portable computers and peripherals
• Instrumentation and control systems
• Automotive electronics
• Telecommunications infrastructure

Package and Quality

The LT1121CN8-5 is available in an 8-pin PDIP (Plastic Dual In-line Package) that is both robust and easy to handle for manufacturing processes. Linear Technology ensures high-quality standards, with each device rigorously tested to meet the demands of various industrial applications.