TC1303C-VP0EUNTR

Overview

The TC1303C-VP0EUNTR is a dual-output power management IC from Microchip Technology, featuring a 500 mA synchronous buck regulator and a 300 mA low-dropout (LDO) regulator. It operates within an input voltage range of 2.7 V to 5.5 V, with a nominal rating of 3.6 V. The device utilizes current-mode control and pulse width modulation, supporting a maximum switching frequency of 2400 kHz. It includes automatic transition between PWM and PFM modes for optimized efficiency. The component is housed in a 10-pin MSOP package and provides a power-good output signal.

Feature Summary

• Integrates a 500 mA synchronous buck converter and a 300 mA LDO in a single compact package
• Provides independent shutdown control for both the buck and LDO outputs
• Features an internal power-good indicator with a defined delay time
• Supports automatic mode transition to maintain high efficiency across varying load conditions

Applications

• Portable consumer electronics requiring multiple regulated voltage rails
• Battery-powered devices needing efficient power conversion and low quiescent current
• Embedded systems utilizing microcontrollers or application processors
• Industrial control modules with strict space constraints

Procurement Notes

Verify the specific suffix VP0EUNTR against official Microchip documentation to confirm the exact output voltage configuration and package variant. Ensure compliance with RoHS standards and check for any recent product change notifications that may affect pin compatibility or thermal performance before finalizing procurement.

Selection Notes

Select this component when a design requires two distinct regulated outputs from a single source with minimal external components. The integrated compensation and fixed-frequency operation simplify layout requirements. Consider the total quiescent current and shutdown capabilities if power conservation is critical for the target application environment.

Part Context

This part belongs to the TC1303/TC1304 family of dual-output regulators designed for space-constrained applications. It shares core architecture with variants like TC1303C-ED3EUNTR but differs in output settings and packaging. The family emphasizes high efficiency and low noise for sensitive analog and digital loads.

Replacement Considerations

Direct replacements include other TC1303C variants such as TC1303C-ED3EUNTR or TC1303C-SC3EUNTR, provided the output voltage configurations match the system requirements. Verify that the alternative part number maintains the same MSOP-10 footprint and electrical characteristics.