Microchip Technology

TC1121COA  

DC Switching Voltage Regulators

TC1121COA Description

The TC1121COA is a fixed-output, negative voltage charge pump regulator designed for applications requiring a reliable and efficient power management solution. Manufactured by Microchip Technology, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8SOIC package. The TC1121COA operates within an input voltage range of 2.4V to 5.5V and provides a stable output current of up to 100mA. Its ratiometric function ensures that the output voltage is proportional to the input voltage, making it suitable for applications where the input voltage may vary.

TC1121COA Features

• Output Configuration: The TC1121COA features a negative output configuration, which is ideal for applications requiring a negative voltage supply.
• Wide Input Voltage Range: With an input voltage range of 2.4V to 5.5V, the TC1121COA can accommodate a variety of power sources, enhancing its versatility.
• High Efficiency: Utilizing a charge pump topology, the TC1121COA achieves high efficiency, making it suitable for applications where power conservation is critical.
• Switching Frequency: The device operates within a switching frequency range of 10kHz to 200kHz, allowing for optimized performance in different operating conditions.
• Compliance and Reliability: The TC1121COA is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. Additionally, its moisture sensitivity level (MSL) is 1 (unlimited), making it suitable for a wide range of manufacturing environments.
• Operating Temperature: The TC1121COA is designed to operate within a temperature range of 0°C to 70°C (TA), making it suitable for applications in standard industrial environments.
• Single Output: The device provides a single output, simplifying circuit design and reducing component count.

TC1121COA Applications

The TC1121COA is ideal for a variety of applications where a negative voltage supply is required. Some specific use cases include:

• Telecommunications: Providing stable negative voltage for biasing RF components and amplifiers.
• Consumer Electronics: Powering negative voltage rails in devices such as smartphones, tablets, and laptops.
• Industrial Equipment: Supplying negative voltage for sensors and control circuits in industrial automation systems.
• Medical Devices: Ensuring reliable power supply for medical equipment that requires negative voltage for operation.

Conclusion of TC1121COA

The TC1121COA from Microchip Technology is a robust and efficient charge pump regulator designed to meet the demands of modern power management applications. Its wide input voltage range, high efficiency, and compliance with environmental standards make it a reliable choice for engineers and designers. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for specific applications requiring a negative voltage supply. For those seeking a reliable and efficient power management solution, the TC1121COA remains a viable option.

TC1121COA Documents

Download datasheets and manufacturer documentation for TC1121COA

Datasheets :

TC1121      

PCN Packaging :

Label and Packing Changes 23/Sep/2015      

Design Resources :

TC1121 Development Tool Selector      

PCN Obsolescence/ EOL :

Multiple Devices 22/Feb/2011      

HTML Datasheet :

TC1121      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH