MC33167T ,Inverting Switching Regulator, 5.0A Output, 7.5V to 40V Input, TO-220

The MC33167T is a high-performance inverting switching regulator, designed for both step-up and step-down DC-DC conversion applications. Capable of providing an output switch current in excess of 5.0A, this regulator operates over a wide input voltage range from 7.5V to 40V, making it versatile for various power management needs. The integrated fixed-frequency oscillator runs at 72kHz with on-chip timing, simplifying circuit design.

With built-in protection features, including cycle-by-cycle current limiting, undervoltage lockout, and internal thermal shutdown, the MC33167T ensures reliable operation in demanding conditions. Additionally, it offers a low-power standby mode, reducing the power supply current to 36µA, making it ideal for battery-powered applications. The regulator is housed in a TO-220 package, with an available heatsink surface for efficient thermal dissipation.

Key Features :

• High Output Current: Provides an output switch current exceeding 5.0A, suitable for high-power applications.
• Wide Input Voltage Range: Operates from 7.5V to 40V, allowing flexibility for various DC-DC conversion applications.
• Precision Output: Delivers 5.05V output without the need for an external resistor divider, ensuring accuracy and stability.
• Comprehensive Protection: Features cycle-by-cycle current limiting, undervoltage lockout with hysteresis, and internal thermal shutdown for improved reliability.
• Low Power Standby Mode: Reduces power consumption to just 36µA in standby mode, perfect for conserving battery life in portable devices.
• TO-220 Package with Heatsink Option: The TO-220 package provides efficient thermal management with a heatsink surface for high-power dissipation.