The LM4128AMFX-3.3/NOPB is a precision micropower series voltage reference from Texas Instruments. This high-quality component is designed for use in portable and battery-powered applications where low power consumption and small footprint are critical. The LM4128AMFX-3.3/NOPB provides a fixed 3.3V output with a tight output voltage tolerance and low temperature coefficient, ensuring stable and reliable operation across a wide range of environmental conditions.

Key Features

• Output Voltage: 3.3V with an impressive accuracy of ±0.1% at 25°C.
• Temperature Coefficient: A low temperature coefficient of 20ppm/°C (max) for consistent performance over a temperature range of -40°C to +125°C.
• Power Supply Range: Operates from a 2.7V to 5.5V supply, catering to a wide array of power sources.
• Low Quiescent Current: Consumes a low quiescent current of 30µA (typical), which is ideal for battery-powered devices.
• Package: Available in a small SOT-23 package, making it suitable for space-constrained applications.
• Stability: Capable of stable operation with capacitive loads up to 10µF, offering design flexibility.
• No Output Capacitor Required: Stable with no output capacitor, simplifying design and reducing component count.

Applications

The LM4128AMFX-3.3/NOPB is an ideal choice for a variety of applications due to its high accuracy and low power consumption. Common applications include:

• Portable and battery-powered electronics
• Data acquisition systems
• Medical instruments
• Automotive control systems
• Industrial process control
• High-end consumer electronics

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the LM4128AMFX-3.3/NOPB is no exception. It comes in a "Green" Molding Compound which is free from Halogen and Antimony, and it is also designated as lead-free, with a NOPB (No Lead) suffix, ensuring compliance with RoHS regulations. The device's reliability is further backed by Texas Instruments' rigorous testing and quality assurance processes.