Texas Instruments

LM2685MTCX/NOPB

LM2685MTCX/NOPB Description

The LM2685MTCX/NOPB is a dual-output voltage regulator designed by Texas Instruments, featuring a combination of a charge pump and a linear regulator (LDO) topology. This IC is housed in a 14-TSSOP package and is suitable for surface-mount applications. It is designed to provide two regulated output voltages, making it versatile for various electronic systems. The regulator supports a wide input voltage range of 2.85V to 6.5V and operates at a switching frequency of 130kHz. The outputs are capable of delivering up to 50mA each, with Output 1 providing ±5V or 5.7V to 13V and Output 2 providing a stable 5V. Despite its obsolescence, the LM2685MTCX/NOPB remains a reliable choice for applications requiring dual regulated outputs.

LM2685MTCX/NOPB Features

• Dual-Output Regulation: The LM2685MTCX/NOPB offers two regulated outputs, with Output 1 providing ±5V or 5.7V to 13V and Output 2 providing 5V, both capable of delivering up to 50mA.
• Wide Input Voltage Range: It supports an input voltage range of 2.85V to 6.5V, making it suitable for a variety of power supply configurations.
• Charge Pump and LDO Topology: Combines the efficiency of a charge pump with the simplicity and low noise of an LDO, providing a balanced solution for power regulation.
• High Switching Frequency: Operates at a switching frequency of 130kHz, enabling the use of smaller external components and reducing the overall footprint.
• Surface-Mount Compatibility: The 14-TSSOP package is ideal for surface-mount applications, ensuring ease of integration into modern PCB designs.
• Compliance and Safety: The LM2685MTCX/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), it is suitable for storage and handling in various environmental conditions.

LM2685MTCX/NOPB Applications

The LM2685MTCX/NOPB is ideal for applications requiring dual regulated outputs with a combination of charge pump and LDO regulation. Its wide input voltage range and ability to deliver stable output voltages make it suitable for:

• Power Management in Embedded Systems: Provides reliable power regulation for microcontrollers and other embedded devices.
• Consumer Electronics: Suitable for devices requiring dual regulated outputs, such as portable electronics and battery-powered devices.
• Industrial Control Systems: Offers stable power regulation for sensors, actuators, and other industrial components.
• Telecommunications: Ideal for powering various components in communication systems, ensuring stable and efficient power delivery.

Conclusion of LM2685MTCX/NOPB

The LM2685MTCX/NOPB from Texas Instruments is a versatile dual-output voltage regulator that combines the efficiency of a charge pump with the simplicity and low noise of an LDO. Its wide input voltage range, dual regulated outputs, and surface-mount compatibility make it suitable for a variety of applications, from consumer electronics to industrial control systems. Despite being obsolete, the LM2685MTCX/NOPB remains a reliable choice for designers seeking a robust power regulation solution.