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TC1044SEOA

TC1044SEOA Description

The TC1044SEOA from Microchip Technology is a high-performance, fixed-output charge pump DC-DC switching regulator designed to deliver negative voltage inversion with a compact and efficient solution. This surface-mount IC operates within a 1.5V to 12V input range, providing a ratiometric output configuration with a 20mA current capability. Its charge pump topology eliminates the need for inductors, making it ideal for space-constrained applications. The device supports dual switching frequencies (10kHz and 45kHz), enabling flexibility in noise-sensitive designs. Packaged in an 8-pin SOIC tube, it complies with ROHS3 and REACH environmental standards, ensuring reliability in industrial and consumer electronics.

TC1044SEOA Features

• Input Voltage Range: 1.5V to 12V, accommodating diverse power sources.
• Fixed Negative Output: Simplifies design with predictable performance.
• Ratiometric Function: Output voltage scales with input, enhancing precision.
• Dual Switching Frequencies (10kHz/45kHz): Balances efficiency and noise reduction.
• Inductorless Charge Pump Topology: Reduces footprint and BOM cost.
• 20mA Output Current: Suitable for low-power analog and digital circuits.
• ROHS3/REACH Compliant: Meets stringent environmental regulations.
• MSL 1 (Unlimited): Excellent shelf life and handling reliability.

TC1044SEOA Applications

The TC1044SEOA excels in applications requiring compact voltage inversion or low-noise power conversion, such as:

• Biasing Circuits: For op-amps, sensors, and data converters in industrial systems.
• Portable Electronics: Powering LCD displays, audio amplifiers, and handheld devices.
• Automotive Modules: Auxiliary power for infotainment and sensor interfaces.
• Medical Devices: Low-noise supplies for precision analog front-ends.
• IoT Nodes: Efficient voltage conversion in battery-operated edge devices.

Conclusion of TC1044SEOA

The TC1044SEOA stands out for its simplicity, efficiency, and versatility in generating negative voltages without inductors. Its wide input range, dual-frequency operation, and compliance with environmental standards make it a superior choice for engineers designing space-sensitive, noise-immune, or portable systems. Whether for industrial, automotive, or consumer applications, this regulator delivers reliable performance with minimal external components, streamlining both prototyping and production.