The 34063A from ON Semiconductor is a versatile and robust DC-DC converter integrated circuit designed for a wide array of power management applications. This monolithic control circuit offers the flexibility to engineer step-up, step-down, or voltage-inverting power solutions with a minimal number of external components.

Key Features

• Adjustable Output Voltage: The 34063A provides an adjustable output voltage, which can be tailored to the needs of the application through the use of external resistors.
• High Efficiency: With its efficient design, the 34063A ensures optimal power conversion, which is critical for battery-operated devices.
• Wide Input Voltage Range: This IC can handle an input voltage range from 3 V to 40 V, making it suitable for a variety of power sources.
• Low Standby Current: The quiescent current is low, contributing to the overall energy efficiency of the end application.
• Short Circuit Protection: The built-in short circuit protection feature enhances the safety and longevity of both the IC and the powered device.

Applications

The 34063A is ideal for a diverse set of applications, including but not limited to:

• Portable Devices
• Automotive Applications
• Power Supply Modules
• Battery Chargers

Technical Specifications

Parameter Value Input Voltage (V<sub>in) 3 V to 40 V Output Voltage (V<sub>out) Adjustable Switch Current Limit 1.5 A Operating Temperature -40°C to +85°C

Conclusion

The ON Semiconductor 34063A is a highly adaptable DC-DC converter that caters to a broad spectrum of power management requirements. Its ease of use, coupled with its protective features, makes it an excellent choice for designers looking to create reliable and efficient power solutions.