The KA34063A is a versatile IC (integrated circuit) component designed for a wide range of applications in power supply circuits. It is a step-up, step-down, or inverting DC-DC converter that can provide efficient power conversion using relatively few external components.
The key features of the KA34063A include:
1. Input Voltage Range: The IC can accept an input voltage range from 3V to 40V, making it suitable for various power supply designs.
2. Output Voltage Regulation: It has an internal reference voltage of 1.25V that can be programmed using external resistors to achieve the desired output voltage.
3. Current Limiting: The KA34063A incorporates an internal current limiting feature that protects the IC and external components during overload conditions.
4. Oscillator Frequency: The IC operates at a frequency range of 1.6kHz to 100kHz, which can be externally adjusted to suit the application requirements.
5. Switching Transistor: It has an internal NPN switch transistor capable of handling a maximum current of 1.5A, eliminating the need for an external power transistor in lower power applications.
6. Built-in Protection Circuits: The IC includes various protection functions like thermal shutdown, safe operating area (SOA) protection, and overvoltage protection.
7. Low Standby Current: With a standby current of typically 8mA, it can achieve low power consumption during idle or standby modes
