Texas Instruments

LM4050BIM3-5.0

LM4050BIM3-5.0 Description

The LM4050BIM3-5.0 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 5V with a tolerance of ±0.2%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for surface mount applications. Despite its small form factor, the LM4050BIM3-5.0 delivers exceptional performance, with a low temperature coefficient of 50ppm/°C and a low noise level of 93µVrms over the 10Hz to 10kHz frequency range. It is capable of sourcing up to 15mA of output current and has a cathode current of 80µA. The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. Although the LM4050BIM3-5.0 is now obsolete, it remains a reliable choice for applications requiring a precise voltage reference.

LM4050BIM3-5.0 Features

• Fixed Output Voltage: The LM4050BIM3-5.0 provides a stable 5V output voltage, making it ideal for applications where a precise reference voltage is required.
• High Precision: With a tolerance of ±0.2%, this device offers high accuracy, ensuring reliable performance in precision analog circuits.
• Low Temperature Coefficient: The 50ppm/°C temperature coefficient ensures minimal drift over temperature variations, maintaining accuracy across a wide operating range.
• Low Noise: The low noise level of 93µVrms from 10Hz to 10kHz makes it suitable for noise-sensitive applications, such as precision ADCs and DACs.
• High Output Current: Capable of sourcing up to 15mA, the LM4050BIM3-5.0 can drive multiple loads or high-current applications without compromising stability.
• Compact Surface Mount Package: The SOT23-3 package is ideal for space-constrained designs, allowing for integration into small form factor devices.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.

LM4050BIM3-5.0 Applications

The LM4050BIM3-5.0 is well-suited for a variety of applications that demand high precision and reliability. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high precision make it an excellent reference voltage source for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): The stable output voltage helps maintain the accuracy of DACs, providing precise analog outputs.
• Power Supplies: The device can be used as a reference voltage in linear and switching power supplies to ensure stable output voltages.
• Battery Management Systems: The LM4050BIM3-5.0 can serve as a reference voltage in battery management circuits, ensuring accurate voltage monitoring and control.
• Precision Voltage Dividers: The high precision and low temperature coefficient make it suitable for creating precise voltage divider circuits.

Conclusion of LM4050BIM3-5.0

The LM4050BIM3-5.0 is a reliable and precise shunt voltage reference IC that offers high accuracy and low noise performance in a compact package. Despite its obsolescence, its unique features and advantages make it a valuable component for applications requiring a stable and precise reference voltage. Its high output current capability, low temperature coefficient, and environmental compliance further enhance its appeal. For engineers and designers seeking a precision voltage reference in their power management and analog circuits, the LM4050BIM3-5.0 remains a robust and dependable choice.