Microchip Technology

TC1121EUA  

DC Switching Voltage Regulators

TC1121EUA Description

The TC1121EUA 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 8MSOP package. The TC1121EUA operates with a wide input voltage range of 2.4V to 5.5V and provides a stable output current of 100mA. It features a ratiometric function, ensuring that the output voltage is proportional to the input voltage, which is particularly useful in applications where the input voltage may vary.

TC1121EUA Features

• Output Type: Fixed, providing a stable and predictable output voltage.
• Input Voltage Range: 2.4V to 5.5V, making it suitable for a variety of power sources.
• Output Current: 100mA, sufficient for low to medium power applications.
• Output Configuration: Negative, ideal for applications requiring negative voltage rails.
• Function: Ratiometric, ensuring the output voltage scales proportionally with the input voltage.
• Switching Frequency: 10kHz to 200kHz, allowing for flexibility in design and optimization of efficiency.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for various environmental conditions.
• Topology: Charge Pump, offering high efficiency and low component count.
• Mounting Type: Surface Mount, facilitating compact and reliable PCB designs.
• Number of Outputs: 1, simplifying the design for single-rail applications.
• Package: Tube, providing robust and convenient packaging for manufacturing and handling.

TC1121EUA Applications

The TC1121EUA is ideal for a range of applications where a reliable and efficient negative voltage supply is required. Its wide input voltage range and fixed output configuration make it suitable for:

• Telecommunications: Providing stable power for RF amplifiers and other communication equipment.
• Consumer Electronics: Powering LCD and OLED displays, where negative voltage rails are often necessary.
• Industrial Equipment: Supplying power to sensors and actuators that require negative voltage sources.
• Automotive: Used in various electronic control units (ECUs) that need a negative voltage supply.

Conclusion of TC1121EUA

The TC1121EUA from Microchip Technology is a versatile and efficient charge pump regulator designed to meet the demands of modern power management applications. Its wide input voltage range, fixed output configuration, and ratiometric function make it an ideal choice for applications requiring a stable negative voltage supply. The device's compliance with environmental and regulatory standards, along with its robust packaging and surface mount design, ensures reliability and ease of integration into various electronic systems. Despite its obsolete status, the TC1121EUA remains a valuable component for engineers seeking a reliable and efficient power management solution.

TC1121EUA Documents

Download datasheets and manufacturer documentation for TC1121EUA

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