TC120303EHATR

Voltage Regulators - DC DC Switching Regulators Overview

The TC120303EHATR is a switching regulator manufactured by Microchip Technology, operating in voltage-mode control with pulse width modulation. It features an internal switching transistor supporting up to 0.7A output current and operates at a maximum switching frequency of 345kHz. The device accepts input voltages ranging from 1.8V to 10V, with a nominal rating of 3.6V. It is housed in an 8-pin Small Outline Package (SOP) and functions as a step-down DC/DC converter.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates an internal switching transistor for efficient power conversion
• Supports external switching transistor control for higher output currents exceeding 2A
• Includes short circuit protection and built-in undervoltage lockout mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Step-down DC/DC regulation in embedded systems
• Power management for portable electronic devices
• Voltage conversion in industrial control circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix EHATR against official Microchip documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with required input voltage ranges and thermal dissipation capabilities for the target SOP-8 application environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact 8-pin solution is required for buck conversion applications. Consider the 345kHz switching frequency for balancing inductor size against efficiency requirements. Verify that the 0.7A internal current limit meets load demands or if external transistor support is necessary for higher current scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TC120 series of combination regulators/controllers developed by Microchip Technology through its acquisition of TelCom Semiconductor. The series is designed for cost-effective power management solutions utilizing standard surface-mount packaging suitable for automated assembly processes in consumer and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Microchip's official obsolescence notices or cross-reference tools for verified alternatives if this component is discontinued.