MC34167TG

Ⅰ.Overview of MC34167TG

The MC34167TG is a versatile DC-DC switching regulator under the Power Management (PMIC) category, developed by onsemi. It supports both step-up and step-down functions, with flexible positive or negative output configurations, making it suitable for a variety of electronic systems that require stable voltage regulation from medium to high input voltages.

Ⅱ.MC34167TG Parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Voltage Regulators - DC DC Switching Regulators

Mfr:onsemi

Packaging:Tube

Function:Step-Up, Step-Down

Output Configuration:Positive or Negative

Voltage - Input (Min):7.5V

Voltage - Input (Max):40V

Operating Temperature:0°C ~ 70°C (TA)

Mounting Type:Through Hole

Package / Case:TO-220-5

Ⅲ.MC34167TG Main Characteristics

Dual Functionality:Supports both step-up (boost) and step-down (buck) operations, eliminating the need for multiple regulators in systems that require voltage adjustment in either direction.

Flexible Output Configuration:Enables positive or negative output voltage, adapting to diverse application requirements such as powering analog circuits or specialized electronic modules.

Wide Input Voltage Range:Handles input voltages from 7.5V to 40V, making it compatible with medium-to-high voltage power sources (e.g., industrial power supplies, automotive auxiliary power).

Through-Hole Mounting&Durable Package:Features a TO-220-5 through-hole package,ensuring secure installation on PCBs and providing good thermal dissipation for stable performance during operation.

Controlled Operating Temperature:Functions reliably within the 0°C ~ 70°C (TA) temperature range, suitable for common industrial,consumer, and commercial environments.

Ⅳ.MC34167TG Application 

Industrial Electronic Systems:Used in industrial control panels, sensor modules, and automation equipment to regulate voltage from 7.5V~40V power supplies, ensuring stable operation of sensitive components.

Consumer Electronics:Integrated into devices like high-power audio amplifiers, portable tools, or home appliances that require step-up/step-down voltage conversion for optimal performance.

Power Supply Modules:Incorporated into standalone power supply units (PSUs) to provide flexible voltage regulation, supporting both positive and negative output needs for diverse connected devices.

Analog&Specialized Circuits:Powers analog circuits, test equipment, or medical devices (with non-critical temperature requirements) that demand stable,adjustable voltage to maintain measurement accuracy or operational reliability.

Ⅴ.Conclusion

The MC34167TG is a practical and flexible DC-DC switching regulator, distinguished by its dual step-up/step-down functionality, wide input voltage range, and adaptable output configurations. Its durable package and reliable performance make it a suitable choice for industrial, consumer, and automotive auxiliary applications requiring stable voltage management.