Microchip Technology

TC105333ECTTR

TC105333ECTTR Description

The TC105333ECTTR from Microchip Technology is a high-performance buck DC-DC switching controller designed for efficient power management in compact electronic systems. This surface-mount IC features a single-output, positive configuration with a transistor driver output type, supporting input voltages from 2.2V to 10V. Optimized for 300kHz switching frequency, it delivers stable power conversion with a 100% maximum duty cycle, making it ideal for applications requiring continuous operation. The device is ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. Packaged in a SOT-23-5 form factor with tape & reel (TR), it suits high-volume manufacturing.

TC105333ECTTR Features

• Topology: Buck converter for step-down voltage regulation.
• Control Features: Includes an Enable pin for power management flexibility.
• Efficiency: Operates at 300kHz, balancing performance and power loss.
• Robust Design: 1 (Unlimited) MSL rating ensures reliability in humid environments.
• Compact Footprint: SOT-23-5 package saves board space in space-constrained designs.
• Compliance: ROHS3 and EAR99 certified, suitable for global markets.
• No Synchronous Rectification: Simplifies design while maintaining efficiency.

TC105333ECTTR Applications

This controller excels in:

• Portable Electronics: Powering IoT devices, wearables, and handheld instruments due to its low-voltage operation and small footprint.
• Battery-Powered Systems: Ideal for Li-ion or alkaline battery-based applications requiring efficient step-down conversion.
• Industrial Controls: Suitable for sensors, actuators, and low-power MCU supplies in automation systems.
• Consumer Electronics: Used in smart home devices and peripheral power management.

Conclusion of TC105333ECTTR

The TC105333ECTTR stands out for its compact size, wide input range, and simplicity, offering a cost-effective solution for low-to-medium power DC-DC conversion. Its lack of synchronous rectification reduces complexity, while the Enable feature enhances system power control. Engineers will appreciate its reliability, compliance, and versatility in portable and industrial applications, making it a strong contender among buck controllers in its class.