Texas Instruments

LM4128CMF-3.3  

Voltage References

LM4128CMF-3.3 Description

The LM4128CMF-3.3 is a precision voltage reference IC designed for applications requiring a stable and accurate reference voltage. Manufactured by Texas Instruments, this device is part of the Power Management (PMIC) category and offers a fixed output voltage of 3.3V with a tolerance of ±0.5%. The LM4128CMF-3.3 is housed in a compact SOT23-5 package, making it suitable for surface mount applications. It is designed to operate within an input voltage range of 3.7V to 5.5V, ensuring compatibility with a variety of power supply configurations.

LM4128CMF-3.3 Features

• Fixed Output Voltage: The LM4128CMF-3.3 provides a fixed output voltage of 3.3V, ensuring consistent performance in applications requiring a stable reference voltage.
• High Accuracy: With a tolerance of ±0.5%, the LM4128CMF-3.3 offers high accuracy, making it suitable for precision applications.
• Low Supply Current: The device operates with a low supply current of 100µA, minimizing power consumption and improving overall system efficiency.
• Temperature Stability: The LM4128CMF-3.3 features a temperature coefficient of 100ppm/°C, ensuring stable performance across a wide temperature range.
• Surface Mount Packaging: The SOT23-5 package is ideal for surface mount applications, providing a compact and reliable solution for space-constrained designs.
• Series Reference Type: The LM4128CMF-3.3 is a series reference type, offering a simple and effective way to generate a stable reference voltage.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the LM4128CMF-3.3 is suitable for a wide range of manufacturing environments without the need for special handling precautions.

LM4128CMF-3.3 Applications

The LM4128CMF-3.3 is ideal for a variety of applications that require a stable and accurate reference voltage. Key applications include:

• Analog-to-Digital Converters (ADCs): The high accuracy and stability of the LM4128CMF-3.3 make it an excellent reference voltage source for ADCs, ensuring precise and reliable conversions.
• Digital-to-Analog Converters (DACs): The device’s low temperature coefficient and fixed output voltage provide a stable reference for DACs, enhancing the accuracy of analog output signals.
• Power Management Circuits: The LM4128CMF-3.3 can be used in power management circuits to provide a stable reference voltage for voltage regulators and other power-related components.
• Precision Measurement Equipment: The device’s high accuracy and low supply current make it suitable for precision measurement equipment, where stable and reliable reference voltages are critical.

Conclusion of LM4128CMF-3.3

The LM4128CMF-3.3 is a high-performance voltage reference IC that offers a combination of accuracy, stability, and low power consumption. Its compact SOT23-5 package and surface mount compatibility make it an ideal choice for a wide range of applications, from precision measurement equipment to power management circuits. Despite being marked as obsolete, the LM4128CMF-3.3 remains a reliable and efficient solution for applications requiring a stable and accurate reference voltage.

LM4128CMF-3.3 Documents

Download datasheets and manufacturer documentation for LM4128CMF-3.3

Datasheets :

LM4128      

HTML Datasheet :

LM4128      

PCN Design/Specification :

Cu Wire Bond 14/May/2013