Texas Instruments MC33063AD DC-DC Switching Regulator, Buck, Boost & Inverting,

The Texas Instruments MC33063AD is a versatile boost, buck, and inverting switching regulator housed in a compact 8-pin SOIC package. It integrates all the primary circuitry needed to build simple DC-to-DC converters, making it an essential component for power management in a wide range of applications.

This regulator features a temperature-compensated internal reference with 2% precision, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch. It requires minimal external components to implement boost, buck, and inverting topologies, simplifying design and reducing board space.

Key Specifications

• Wide Input Voltage Range: 3V to 40V
• Adjustable Output Voltage: 1.25V to 40V
• High Output Switch Current: Up to 1.5A
• Oscillator Frequency: Up to 100kHz
• Precision Internal Reference: 2%
• Short Circuit Current Limiting: For enhanced protection
• Low Standby Current: For power efficiency
• Operating Temperature Range: -40°C to 85°C

With an efficiency rating of up to 87.7% and a switching frequency of 100kHz, the MC33063AD delivers reliable performance in a compact form factor. Whether used in portable devices, communications networking, consumer electronics, or test and measurement equipment, this regulator provides dependable power conversion with minimal external components.

Applications

• Power management for portable devices
• Communications and networking equipment
• Consumer electronics and home appliances
• Test and measurement instrumentation

The MC33063AD is a practical and cost-effective solution for engineers seeking a flexible DC-DC conversion IC with robust protection features and a wide operating range.